From 08355ea5d873dc9943bada6460bf8226d855c754 Mon Sep 17 00:00:00 2001
From: Keegan George <kgeorge13@gmail.com>
Date: Wed, 10 Jul 2024 11:01:05 -0700
Subject: [PATCH] FEATURE: Show post helper as bottom modal on mobile (#704)

---
 .../components/ai-helper-loading.gjs          |   2 +-
 .../components/ai-helper-options-list.gjs     |  31 ++
 .../components/ai-post-helper-menu.gjs        | 357 ++++++++++++++
 .../after-d-editor/ai-helper-context-menu.hbs |  26 +-
 .../ai-helper-options-menu.gjs                | 465 ------------------
 .../ai-post-helper-trigger.gjs                | 190 +++++++
 .../modules/ai-helper/common/ai-helper.scss   | 147 +++---
 config/locales/client.en.yml                  |   1 +
 spec/system/ai_helper/ai_post_helper_spec.rb  |  16 +-
 .../components/ai_helper_context_menu.rb      |   6 +-
 ...post_options.rb => ai_post_helper_menu.rb} |  13 +-
 11 files changed, 691 insertions(+), 563 deletions(-)
 create mode 100644 assets/javascripts/discourse/components/ai-helper-options-list.gjs
 create mode 100644 assets/javascripts/discourse/components/ai-post-helper-menu.gjs
 delete mode 100644 assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs
 create mode 100644 assets/javascripts/discourse/connectors/post-text-buttons/ai-post-helper-trigger.gjs
 rename spec/system/page_objects/components/{ai_helper_post_options.rb => ai_post_helper_menu.rb} (84%)

diff --git a/assets/javascripts/discourse/components/ai-helper-loading.gjs b/assets/javascripts/discourse/components/ai-helper-loading.gjs
index 730be41d..21bd5216 100644
--- a/assets/javascripts/discourse/components/ai-helper-loading.gjs
+++ b/assets/javascripts/discourse/components/ai-helper-loading.gjs
@@ -2,7 +2,7 @@ import DButton from "discourse/components/d-button";
 import i18n from "discourse-common/helpers/i18n";
 
 const AiHelperLoading = <template>
-  <div class="ai-helper-context-menu__loading">
+  <div class="ai-helper-loading">
     <div class="dot-falling"></div>
     <span>
       {{i18n "discourse_ai.ai_helper.context_menu.loading"}}
diff --git a/assets/javascripts/discourse/components/ai-helper-options-list.gjs b/assets/javascripts/discourse/components/ai-helper-options-list.gjs
new file mode 100644
index 00000000..860ec48b
--- /dev/null
+++ b/assets/javascripts/discourse/components/ai-helper-options-list.gjs
@@ -0,0 +1,31 @@
+import { fn } from "@ember/helper";
+import DButton from "discourse/components/d-button";
+import eq from "truth-helpers/helpers/eq";
+import AiHelperCustomPrompt from "../components/ai-helper-custom-prompt";
+
+const AiHelperOptionsList = <template>
+  <ul class="ai-helper-options">
+    {{#each @options as |option|}}
+      {{#if (eq option.name "custom_prompt")}}
+        <AiHelperCustomPrompt
+          @value={{@customPromptValue}}
+          @promptArgs={{option}}
+          @submit={{@performAction}}
+        />
+      {{else}}
+        <li data-name={{option.translated_name}} data-value={{option.id}}>
+          <DButton
+            @icon={{option.icon}}
+            @translatedLabel={{option.translated_name}}
+            @action={{fn @performAction option}}
+            data-name={{option.name}}
+            data-value={{option.id}}
+            class="btn-flat ai-helper-options__button"
+          />
+        </li>
+      {{/if}}
+    {{/each}}
+  </ul>
+</template>;
+
+export default AiHelperOptionsList;
diff --git a/assets/javascripts/discourse/components/ai-post-helper-menu.gjs b/assets/javascripts/discourse/components/ai-post-helper-menu.gjs
new file mode 100644
index 00000000..827232c1
--- /dev/null
+++ b/assets/javascripts/discourse/components/ai-post-helper-menu.gjs
@@ -0,0 +1,357 @@
+import Component from "@glimmer/component";
+import { tracked } from "@glimmer/tracking";
+import { action } from "@ember/object";
+import didInsert from "@ember/render-modifiers/modifiers/did-insert";
+import willDestroy from "@ember/render-modifiers/modifiers/will-destroy";
+import { inject as service } from "@ember/service";
+import { and } from "truth-helpers";
+import CookText from "discourse/components/cook-text";
+import DButton from "discourse/components/d-button";
+import FastEdit from "discourse/components/fast-edit";
+import FastEditModal from "discourse/components/modal/fast-edit";
+import { ajax } from "discourse/lib/ajax";
+import { popupAjaxError } from "discourse/lib/ajax-error";
+import { sanitize } from "discourse/lib/text";
+import { clipboardCopy } from "discourse/lib/utilities";
+import i18n from "discourse-common/helpers/i18n";
+import { bind } from "discourse-common/utils/decorators";
+import I18n from "discourse-i18n";
+import eq from "truth-helpers/helpers/eq";
+import AiHelperLoading from "../components/ai-helper-loading";
+import AiHelperOptionsList from "../components/ai-helper-options-list";
+
+export default class AiPostHelperMenu extends Component {
+  @service messageBus;
+  @service site;
+  @service modal;
+  @service siteSettings;
+  @service currentUser;
+  @service menu;
+
+  @tracked menuState = this.MENU_STATES.options;
+  @tracked loading = false;
+  @tracked suggestion = "";
+  @tracked customPromptValue = "";
+  @tracked copyButtonIcon = "copy";
+  @tracked copyButtonLabel = "discourse_ai.ai_helper.post_options_menu.copy";
+  @tracked showFastEdit = false;
+  @tracked showAiButtons = true;
+  @tracked streaming = false;
+  @tracked lastSelectedOption = null;
+  @tracked isSavingFootnote = false;
+
+  MENU_STATES = {
+    options: "OPTIONS",
+    loading: "LOADING",
+    result: "RESULT",
+  };
+
+  @tracked _activeAiRequest = null;
+
+  get helperOptions() {
+    let prompts = this.currentUser?.ai_helper_prompts;
+
+    prompts = prompts.filter((item) => item.location.includes("post"));
+
+    // Find the custom_prompt object and move it to the beginning of the array
+    const customPromptIndex = prompts.findIndex(
+      (p) => p.name === "custom_prompt"
+    );
+
+    if (customPromptIndex !== -1) {
+      const customPrompt = prompts.splice(customPromptIndex, 1)[0];
+      prompts.unshift(customPrompt);
+    }
+
+    if (!this._showUserCustomPrompts()) {
+      prompts = prompts.filter((p) => p.name !== "custom_prompt");
+    }
+
+    if (!this.args.data.canEditPost) {
+      prompts = prompts.filter((p) => p.name !== "proofread");
+    }
+
+    return prompts;
+  }
+
+  get highlightedTextToggleIcon() {
+    if (this.showHighlightedText) {
+      return "angle-double-left";
+    } else {
+      return "angle-double-right";
+    }
+  }
+
+  get allowInsertFootnote() {
+    const siteSettings = this.siteSettings;
+    const canEditPost = this.args.data.canEditPost;
+
+    if (
+      !siteSettings?.enable_markdown_footnotes ||
+      !siteSettings?.display_footnotes_inline ||
+      !canEditPost
+    ) {
+      return false;
+    }
+
+    return this.lastSelectedOption?.name === "explain";
+  }
+
+  _showUserCustomPrompts() {
+    return this.currentUser?.can_use_custom_prompts;
+  }
+
+  _sanitizeForFootnote(text) {
+    // Remove line breaks (line-breaks breaks the inline footnote display)
+    text = text.replace(/[\r\n]+/g, " ");
+
+    // Remove headings (headings don't work in inline footnotes)
+    text = text.replace(/^(#+)\s+/gm, "");
+
+    // Trim excess space
+    text = text.trim();
+
+    return sanitize(text);
+  }
+
+  @bind
+  subscribe() {
+    const channel = `/discourse-ai/ai-helper/explain/${this.args.data.quoteState.postId}`;
+    this.messageBus.subscribe(channel, this._updateResult);
+  }
+
+  @bind
+  unsubscribe() {
+    this.messageBus.unsubscribe(
+      "/discourse-ai/ai-helper/explain/*",
+      this._updateResult
+    );
+  }
+
+  @bind
+  _updateResult(result) {
+    this.streaming = !result.done;
+    this.suggestion = result.result;
+  }
+
+  @action
+  toggleHighlightedTextPreview() {
+    this.showHighlightedText = !this.showHighlightedText;
+  }
+
+  @action
+  async performAiSuggestion(option) {
+    this.menuState = this.MENU_STATES.loading;
+    this.lastSelectedOption = option;
+
+    if (option.name === "explain") {
+      return this._handleExplainOption(option);
+    } else {
+      this._activeAiRequest = ajax("/discourse-ai/ai-helper/suggest", {
+        method: "POST",
+        data: {
+          mode: option.id,
+          text: this.args.data.quoteState.buffer,
+          custom_prompt: this.customPromptValue,
+        },
+      });
+    }
+
+    this._activeAiRequest
+      .then(({ suggestions }) => {
+        this.suggestion = suggestions[0].trim();
+
+        if (option.name === "proofread") {
+          return this._handleProofreadOption();
+        }
+      })
+      .catch(popupAjaxError)
+      .finally(() => {
+        this.loading = false;
+        this.menuState = this.MENU_STATES.result;
+      });
+
+    return this._activeAiRequest;
+  }
+
+  _handleExplainOption(option) {
+    this.menuState = this.MENU_STATES.result;
+    const menu = this.menu.getByIdentifier("post-text-selection-toolbar");
+    if (menu) {
+      menu.options.placement = "bottom";
+    }
+    const fetchUrl = `/discourse-ai/ai-helper/explain`;
+
+    this._activeAiRequest = ajax(fetchUrl, {
+      method: "POST",
+      data: {
+        mode: option.value,
+        text: this.args.data.selectedText,
+        post_id: this.args.data.quoteState.postId,
+      },
+    });
+
+    return this._activeAiRequest;
+  }
+
+  _handleProofreadOption() {
+    this.showAiButtons = false;
+
+    if (this.site.desktopView) {
+      this.showFastEdit = true;
+      return;
+    } else {
+      return this.modal.show(FastEditModal, {
+        model: {
+          initialValue: this.args.data.quoteState.buffer,
+          newValue: this.suggestion,
+          post: this.args.data.post,
+          close: this.closeFastEdit,
+        },
+      });
+    }
+  }
+
+  @action
+  cancelAiAction() {
+    if (this._activeAiRequest) {
+      this._activeAiRequest.abort();
+      this._activeAiRequest = null;
+      this.loading = false;
+      this.menuState = this.MENU_STATES.options;
+    }
+  }
+
+  @action
+  copySuggestion() {
+    if (this.suggestion?.length > 0) {
+      clipboardCopy(this.suggestion);
+      this.copyButtonIcon = "check";
+      this.copyButtonLabel = "discourse_ai.ai_helper.post_options_menu.copied";
+      setTimeout(() => {
+        this.copyButtonIcon = "copy";
+        this.copyButtonLabel = "discourse_ai.ai_helper.post_options_menu.copy";
+      }, 3500);
+    }
+  }
+
+  @action
+  closeMenu() {
+    if (this.site.mobileView) {
+      return this.args.close();
+    }
+
+    const menu = this.menu.getByIdentifier("post-text-selection-toolbar");
+    return menu?.close();
+  }
+
+  @action
+  async closeFastEdit() {
+    this.showFastEdit = false;
+    await this.args.data.hideToolbar();
+  }
+
+  @action
+  async insertFootnote() {
+    this.isSavingFootnote = true;
+
+    if (this.allowInsertFootnote) {
+      try {
+        const result = await ajax(`/posts/${this.args.data.post.id}`);
+        const sanitizedSuggestion = this._sanitizeForFootnote(this.suggestion);
+        const credits = I18n.t(
+          "discourse_ai.ai_helper.post_options_menu.footnote_credits"
+        );
+        const withFootnote = `${this.args.data.selectedText} ^[${sanitizedSuggestion} (${credits})]`;
+        const newRaw = result.raw.replace(
+          this.args.data.selectedText,
+          withFootnote
+        );
+
+        await this.args.data.post.save({ raw: newRaw });
+      } catch (error) {
+        popupAjaxError(error);
+      } finally {
+        this.isSavingFootnote = false;
+        await this.closeMenu();
+      }
+    }
+  }
+
+  <template>
+    {{#if
+      (and this.site.mobileView (eq this.menuState this.MENU_STATES.options))
+    }}
+      <div class="ai-post-helper-menu__selected-text">
+        <h2>
+          {{i18n "discourse_ai.ai_helper.post_options_menu.selected_text"}}
+        </h2>
+        <p>{{@data.selectedText}}</p>
+      </div>
+    {{/if}}
+
+    {{#if this.showAiButtons}}
+      <div class="ai-post-helper">
+        {{#if (eq this.menuState this.MENU_STATES.options)}}
+          <AiHelperOptionsList
+            @options={{this.helperOptions}}
+            @customPromptValue={{this.customPromptValue}}
+            @performAction={{this.performAiSuggestion}}
+          />
+        {{else if (eq this.menuState this.MENU_STATES.loading)}}
+          <AiHelperLoading @cancel={{this.cancelAiAction}} />
+        {{else if (eq this.menuState this.MENU_STATES.result)}}
+          <div
+            class="ai-post-helper__suggestion"
+            {{didInsert this.subscribe}}
+            {{willDestroy this.unsubscribe}}
+          >
+            {{#if this.suggestion}}
+              <div class="ai-post-helper__suggestion__text" dir="auto">
+                <CookText @rawText={{this.suggestion}} />
+              </div>
+              <div class="ai-post-helper__suggestion__buttons">
+                <DButton
+                  @icon="times"
+                  @label="discourse_ai.ai_helper.post_options_menu.cancel"
+                  @action={{this.cancelAiAction}}
+                  class="btn-flat ai-post-helper__suggestion__cancel"
+                />
+                <DButton
+                  @icon={{this.copyButtonIcon}}
+                  @label={{this.copyButtonLabel}}
+                  @action={{this.copySuggestion}}
+                  @disabled={{this.streaming}}
+                  class="btn-flat ai-post-helper__suggestion__copy"
+                />
+                {{#if this.allowInsertFootnote}}
+                  <DButton
+                    @icon="asterisk"
+                    @label="discourse_ai.ai_helper.post_options_menu.insert_footnote"
+                    @action={{this.insertFootnote}}
+                    @isLoading={{this.isSavingFootnote}}
+                    @disabled={{this.streaming}}
+                    class="btn-flat ai-post-helper__suggestion__insert-footnote"
+                  />
+                {{/if}}
+              </div>
+            {{else}}
+              <AiHelperLoading @cancel={{this.cancelAiAction}} />
+            {{/if}}
+          </div>
+        {{/if}}
+      </div>
+    {{/if}}
+
+    {{#if this.showFastEdit}}
+      <div class="ai-post-helper__fast-edit">
+        <FastEdit
+          @initialValue={{@data.quoteState.buffer}}
+          @newValue={{this.suggestion}}
+          @post={{@data.post}}
+          @close={{this.closeFastEdit}}
+        />
+      </div>
+    {{/if}}
+  </template>
+}
diff --git a/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.hbs b/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.hbs
index aace6977..bb7426e1 100644
--- a/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.hbs
+++ b/assets/javascripts/discourse/connectors/after-d-editor/ai-helper-context-menu.hbs
@@ -14,27 +14,11 @@
         </ul>
 
       {{else if (eq this.menuState this.CONTEXT_MENU_STATES.options)}}
-        <ul class="ai-helper-context-menu__options">
-          {{#each this.helperOptions as |option|}}
-            {{#if (eq option.name "custom_prompt")}}
-              <AiHelperCustomPrompt
-                @value={{this.customPromptValue}}
-                @promptArgs={{option}}
-                @submit={{this.updateSelected}}
-              />
-            {{else}}
-              <li data-name={{option.translated_name}} data-value={{option.id}}>
-                <DButton
-                  @icon={{option.icon}}
-                  @translatedLabel={{option.translated_name}}
-                  @action={{fn this.updateSelected option}}
-                  class="btn-flat"
-                />
-              </li>
-            {{/if}}
-          {{/each}}
-        </ul>
-
+        <AiHelperOptionsList
+          @options={{this.helperOptions}}
+          @customPromptValue={{this.customPromptValue}}
+          @performAction={{this.updateSelected}}
+        />
       {{else if (eq this.menuState this.CONTEXT_MENU_STATES.loading)}}
         <AiHelperLoading @cancel={{this.cancelAIAction}} />
 
diff --git a/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs b/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs
deleted file mode 100644
index c6a90b3f..00000000
--- a/assets/javascripts/discourse/connectors/post-text-buttons/ai-helper-options-menu.gjs
+++ /dev/null
@@ -1,465 +0,0 @@
-import Component from "@glimmer/component";
-import { tracked } from "@glimmer/tracking";
-import { fn } from "@ember/helper";
-import { action } from "@ember/object";
-import didInsert from "@ember/render-modifiers/modifiers/did-insert";
-import willDestroy from "@ember/render-modifiers/modifiers/will-destroy";
-import { inject as service } from "@ember/service";
-import CookText from "discourse/components/cook-text";
-import DButton from "discourse/components/d-button";
-import FastEdit from "discourse/components/fast-edit";
-import FastEditModal from "discourse/components/modal/fast-edit";
-import { ajax } from "discourse/lib/ajax";
-import { popupAjaxError } from "discourse/lib/ajax-error";
-import { sanitize } from "discourse/lib/text";
-import { clipboardCopy } from "discourse/lib/utilities";
-import { bind } from "discourse-common/utils/decorators";
-import I18n from "discourse-i18n";
-import eq from "truth-helpers/helpers/eq";
-import AiHelperCustomPrompt from "../../components/ai-helper-custom-prompt";
-import AiHelperLoading from "../../components/ai-helper-loading";
-import { showPostAIHelper } from "../../lib/show-ai-helper";
-
-export default class AIHelperOptionsMenu extends Component {
-  static shouldRender(outletArgs, helper) {
-    return showPostAIHelper(outletArgs, helper);
-  }
-
-  @service messageBus;
-  @service site;
-  @service modal;
-  @service siteSettings;
-  @service currentUser;
-  @service menu;
-
-  @tracked menuState = this.MENU_STATES.triggers;
-  @tracked loading = false;
-  @tracked suggestion = "";
-  @tracked showMainButtons = true;
-  @tracked customPromptValue = "";
-  @tracked copyButtonIcon = "copy";
-  @tracked copyButtonLabel = "discourse_ai.ai_helper.post_options_menu.copy";
-  @tracked showFastEdit = false;
-  @tracked showAiButtons = true;
-  @tracked originalPostHTML = null;
-  @tracked postHighlighted = false;
-  @tracked streaming = false;
-  @tracked lastSelectedOption = null;
-  @tracked isSavingFootnote = false;
-
-  MENU_STATES = {
-    triggers: "TRIGGERS",
-    options: "OPTIONS",
-    loading: "LOADING",
-    result: "RESULT",
-  };
-
-  @tracked _activeAIRequest = null;
-
-  highlightSelectedText() {
-    const postId = this.args.outletArgs.data.quoteState.postId;
-    const postElement = document.querySelector(
-      `article[data-post-id='${postId}'] .cooked`
-    );
-
-    if (!postElement) {
-      return;
-    }
-
-    this.originalPostHTML = postElement.innerHTML;
-    this.selectedText = this.args.outletArgs.data.quoteState.buffer;
-
-    const selection = window.getSelection();
-    if (!selection.rangeCount) {
-      return;
-    }
-
-    const range = selection.getRangeAt(0);
-
-    // Split start/end text nodes at their range boundary
-    if (
-      range.startContainer.nodeType === Node.TEXT_NODE &&
-      range.startOffset > 0
-    ) {
-      const newStartNode = range.startContainer.splitText(range.startOffset);
-      range.setStart(newStartNode, 0);
-    }
-    if (
-      range.endContainer.nodeType === Node.TEXT_NODE &&
-      range.endOffset < range.endContainer.length
-    ) {
-      range.endContainer.splitText(range.endOffset);
-    }
-
-    // Create a Walker to traverse text nodes within range
-    const walker = document.createTreeWalker(
-      range.commonAncestorContainer,
-      NodeFilter.SHOW_TEXT,
-      {
-        acceptNode: (node) =>
-          range.intersectsNode(node)
-            ? NodeFilter.FILTER_ACCEPT
-            : NodeFilter.FILTER_REJECT,
-      }
-    );
-
-    const textNodes = [];
-
-    if (walker.currentNode?.nodeType === Node.TEXT_NODE) {
-      textNodes.push(walker.currentNode);
-    } else {
-      while (walker.nextNode()) {
-        textNodes.push(walker.currentNode);
-      }
-    }
-
-    for (let textNode of textNodes) {
-      const highlight = document.createElement("span");
-      highlight.classList.add("ai-helper-highlighted-selection");
-
-      // Replace textNode with highlighted clone
-      const clone = textNode.cloneNode(true);
-      highlight.appendChild(clone);
-
-      textNode.parentNode.replaceChild(highlight, textNode);
-    }
-
-    selection.removeAllRanges();
-    this.postHighlighted = true;
-  }
-
-  removeHighlightedText() {
-    if (!this.postHighlighted) {
-      return;
-    }
-
-    const postId = this.args.outletArgs.data.quoteState.postId;
-    const postElement = document.querySelector(
-      `article[data-post-id='${postId}'] .cooked`
-    );
-
-    if (!postElement) {
-      return;
-    }
-
-    postElement.innerHTML = this.originalPostHTML;
-    this.postHighlighted = false;
-  }
-
-  willDestroy() {
-    super.willDestroy(...arguments);
-    this.removeHighlightedText();
-  }
-
-  @action
-  async showAIHelperOptions() {
-    this.highlightSelectedText();
-    this.showMainButtons = false;
-    this.menuState = this.MENU_STATES.options;
-  }
-
-  @bind
-  subscribe() {
-    const channel = `/discourse-ai/ai-helper/explain/${this.args.outletArgs.data.quoteState.postId}`;
-    this.messageBus.subscribe(channel, this._updateResult);
-  }
-
-  @bind
-  unsubscribe() {
-    this.messageBus.unsubscribe(
-      "/discourse-ai/ai-helper/explain/*",
-      this._updateResult
-    );
-  }
-
-  @bind
-  _updateResult(result) {
-    this.streaming = !result.done;
-    this.suggestion = result.result;
-  }
-
-  get highlightedTextToggleIcon() {
-    if (this.showHighlightedText) {
-      return "angle-double-left";
-    } else {
-      return "angle-double-right";
-    }
-  }
-
-  @action
-  toggleHighlightedTextPreview() {
-    this.showHighlightedText = !this.showHighlightedText;
-  }
-
-  @action
-  async performAISuggestion(option) {
-    this.menuState = this.MENU_STATES.loading;
-    this.lastSelectedOption = option;
-
-    if (option.name === "explain") {
-      this.menuState = this.MENU_STATES.result;
-
-      const menu = this.menu.getByIdentifier("post-text-selection-toolbar");
-      if (menu) {
-        menu.options.placement = "bottom";
-      }
-
-      const fetchUrl = `/discourse-ai/ai-helper/explain`;
-      this._activeAIRequest = ajax(fetchUrl, {
-        method: "POST",
-        data: {
-          mode: option.value,
-          text: this.args.outletArgs.data.quoteState.buffer,
-          post_id: this.args.outletArgs.data.quoteState.postId,
-        },
-      });
-    } else {
-      this._activeAIRequest = ajax("/discourse-ai/ai-helper/suggest", {
-        method: "POST",
-        data: {
-          mode: option.id,
-          text: this.args.outletArgs.data.quoteState.buffer,
-          custom_prompt: this.customPromptValue,
-        },
-      });
-    }
-
-    if (option.name !== "explain") {
-      this._activeAIRequest
-        .then(({ suggestions }) => {
-          this.suggestion = suggestions[0].trim();
-
-          if (option.name === "proofread") {
-            this.showAiButtons = false;
-
-            if (this.site.desktopView) {
-              this.showFastEdit = true;
-              return;
-            } else {
-              return this.modal.show(FastEditModal, {
-                model: {
-                  initialValue: this.args.outletArgs.data.quoteState.buffer,
-                  newValue: this.suggestion,
-                  post: this.args.outletArgs.post,
-                  close: this.closeFastEdit,
-                },
-              });
-            }
-          }
-        })
-        .catch(popupAjaxError)
-        .finally(() => {
-          this.loading = false;
-          this.menuState = this.MENU_STATES.result;
-        });
-    }
-
-    return this._activeAIRequest;
-  }
-
-  @action
-  cancelAIAction() {
-    if (this._activeAIRequest) {
-      this._activeAIRequest.abort();
-      this._activeAIRequest = null;
-      this.loading = false;
-      this.menuState = this.MENU_STATES.options;
-    }
-  }
-
-  @action
-  copySuggestion() {
-    if (this.suggestion?.length > 0) {
-      clipboardCopy(this.suggestion);
-      this.copyButtonIcon = "check";
-      this.copyButtonLabel = "discourse_ai.ai_helper.post_options_menu.copied";
-      setTimeout(() => {
-        this.copyButtonIcon = "copy";
-        this.copyButtonLabel = "discourse_ai.ai_helper.post_options_menu.copy";
-      }, 3500);
-    }
-  }
-
-  get helperOptions() {
-    let prompts = this.currentUser?.ai_helper_prompts;
-
-    prompts = prompts.filter((item) => item.location.includes("post"));
-
-    // Find the custom_prompt object and move it to the beginning of the array
-    const customPromptIndex = prompts.findIndex(
-      (p) => p.name === "custom_prompt"
-    );
-
-    if (customPromptIndex !== -1) {
-      const customPrompt = prompts.splice(customPromptIndex, 1)[0];
-      prompts.unshift(customPrompt);
-    }
-
-    if (!this._showUserCustomPrompts()) {
-      prompts = prompts.filter((p) => p.name !== "custom_prompt");
-    }
-
-    if (!this.args.outletArgs.data.canEditPost) {
-      prompts = prompts.filter((p) => p.name !== "proofread");
-    }
-
-    return prompts;
-  }
-
-  _showUserCustomPrompts() {
-    return this.currentUser?.can_use_custom_prompts;
-  }
-
-  @action
-  async closeFastEdit() {
-    this.showFastEdit = false;
-    await this.args.outletArgs.data.hideToolbar();
-  }
-
-  sanitizeForFootnote(text) {
-    // Remove line breaks (line-breaks breaks the inline footnote display)
-    text = text.replace(/[\r\n]+/g, " ");
-
-    // Remove headings (headings don't work in inline footnotes)
-    text = text.replace(/^(#+)\s+/gm, "");
-
-    // Trim excess space
-    text = text.trim();
-
-    return sanitize(text);
-  }
-
-  @action
-  async insertFootnote() {
-    this.isSavingFootnote = true;
-
-    if (this.allowInsertFootnote) {
-      try {
-        const result = await ajax(`/posts/${this.args.outletArgs.post.id}`);
-        const sanitizedSuggestion = this.sanitizeForFootnote(this.suggestion);
-        const credits = I18n.t(
-          "discourse_ai.ai_helper.post_options_menu.footnote_credits"
-        );
-        const withFootnote = `${this.selectedText} ^[${sanitizedSuggestion} (${credits})]`;
-        const newRaw = result.raw.replace(this.selectedText, withFootnote);
-
-        await this.args.outletArgs.post.save({ raw: newRaw });
-      } catch (error) {
-        popupAjaxError(error);
-      } finally {
-        this.isSavingFootnote = false;
-        this.menu.close();
-      }
-    }
-  }
-
-  get allowInsertFootnote() {
-    const siteSettings = this.siteSettings;
-    const canEditPost = this.args.outletArgs.data.canEditPost;
-
-    if (
-      !siteSettings?.enable_markdown_footnotes ||
-      !siteSettings?.display_footnotes_inline ||
-      !canEditPost
-    ) {
-      return false;
-    }
-
-    return this.lastSelectedOption?.name === "explain";
-  }
-
-  <template>
-    {{#if this.showMainButtons}}
-      {{yield}}
-    {{/if}}
-
-    {{#if this.showAiButtons}}
-      <div class="ai-post-helper">
-        {{#if (eq this.menuState this.MENU_STATES.triggers)}}
-          <DButton
-            @icon="discourse-sparkles"
-            @title="discourse_ai.ai_helper.post_options_menu.title"
-            @label="discourse_ai.ai_helper.post_options_menu.trigger"
-            @action={{this.showAIHelperOptions}}
-            class="btn-flat ai-post-helper__trigger"
-          />
-
-        {{else if (eq this.menuState this.MENU_STATES.options)}}
-          <div class="ai-post-helper__options">
-            {{#each this.helperOptions as |option|}}
-              {{#if (eq option.name "custom_prompt")}}
-                <AiHelperCustomPrompt
-                  @value={{this.customPromptValue}}
-                  @promptArgs={{option}}
-                  @submit={{this.performAISuggestion}}
-                />
-              {{else}}
-                <DButton
-                  @icon={{option.icon}}
-                  @translatedLabel={{option.translated_name}}
-                  @action={{fn this.performAISuggestion option}}
-                  data-name={{option.name}}
-                  data-value={{option.id}}
-                  class="btn-flat ai-post-helper__options-button"
-                />
-              {{/if}}
-            {{/each}}
-          </div>
-
-        {{else if (eq this.menuState this.MENU_STATES.loading)}}
-          <AiHelperLoading @cancel={{this.cancelAIAction}} />
-        {{else if (eq this.menuState this.MENU_STATES.result)}}
-          <div
-            class="ai-post-helper__suggestion"
-            {{didInsert this.subscribe}}
-            {{willDestroy this.unsubscribe}}
-          >
-            {{#if this.suggestion}}
-              <div class="ai-post-helper__suggestion__text" dir="auto">
-                <CookText @rawText={{this.suggestion}} />
-              </div>
-              <div class="ai-post-helper__suggestion__buttons">
-                <DButton
-                  @icon="times"
-                  @label="discourse_ai.ai_helper.post_options_menu.cancel"
-                  @action={{this.cancelAIAction}}
-                  class="btn-flat ai-post-helper__suggestion__cancel"
-                />
-                <DButton
-                  @icon={{this.copyButtonIcon}}
-                  @label={{this.copyButtonLabel}}
-                  @action={{this.copySuggestion}}
-                  @disabled={{this.streaming}}
-                  class="btn-flat ai-post-helper__suggestion__copy"
-                />
-                {{#if this.allowInsertFootnote}}
-                  <DButton
-                    @icon="asterisk"
-                    @label="discourse_ai.ai_helper.post_options_menu.insert_footnote"
-                    @action={{this.insertFootnote}}
-                    @isLoading={{this.isSavingFootnote}}
-                    @disabled={{this.streaming}}
-                    class="btn-flat ai-post-helper__suggestion__insert-footnote"
-                  />
-                {{/if}}
-              </div>
-            {{else}}
-              <AiHelperLoading @cancel={{this.cancelAIAction}} />
-            {{/if}}
-          </div>
-        {{/if}}
-      </div>
-    {{/if}}
-
-    {{#if this.showFastEdit}}
-      <div class="ai-post-helper__fast-edit">
-        <FastEdit
-          @initialValue={{@outletArgs.data.quoteState.buffer}}
-          @newValue={{this.suggestion}}
-          @post={{@outletArgs.post}}
-          @close={{this.closeFastEdit}}
-        />
-      </div>
-    {{/if}}
-  </template>
-}
diff --git a/assets/javascripts/discourse/connectors/post-text-buttons/ai-post-helper-trigger.gjs b/assets/javascripts/discourse/connectors/post-text-buttons/ai-post-helper-trigger.gjs
new file mode 100644
index 00000000..bfcebc14
--- /dev/null
+++ b/assets/javascripts/discourse/connectors/post-text-buttons/ai-post-helper-trigger.gjs
@@ -0,0 +1,190 @@
+import Component from "@glimmer/component";
+import { tracked } from "@glimmer/tracking";
+import { action } from "@ember/object";
+import { inject as service } from "@ember/service";
+import DButton from "discourse/components/d-button";
+import virtualElementFromTextRange from "discourse/lib/virtual-element-from-text-range";
+import eq from "truth-helpers/helpers/eq";
+import AiPostHelperMenu from "../../components/ai-post-helper-menu";
+import { showPostAIHelper } from "../../lib/show-ai-helper";
+
+export default class AiPostHelperTrigger extends Component {
+  static shouldRender(outletArgs, helper) {
+    return showPostAIHelper(outletArgs, helper);
+  }
+
+  @service site;
+  @service menu;
+
+  @tracked menuState = this.MENU_STATES.triggers;
+  @tracked showMainButtons = true;
+  @tracked showAiButtons = true;
+  @tracked originalPostHTML = null;
+  @tracked postHighlighted = false;
+  @tracked currentMenu = this.menu.getByIdentifier(
+    "post-text-selection-toolbar"
+  );
+
+  MENU_STATES = {
+    triggers: "TRIGGERS",
+    options: "OPTIONS",
+  };
+
+  highlightSelectedText() {
+    const postId = this.args.outletArgs.data.quoteState.postId;
+    const postElement = document.querySelector(
+      `article[data-post-id='${postId}'] .cooked`
+    );
+
+    if (!postElement) {
+      return;
+    }
+
+    this.originalPostHTML = postElement.innerHTML;
+    this.selectedText = this.args.outletArgs.data.quoteState.buffer;
+
+    const selection = window.getSelection();
+    if (!selection.rangeCount) {
+      return;
+    }
+
+    const range = selection.getRangeAt(0);
+
+    // Split start/end text nodes at their range boundary
+    if (
+      range.startContainer.nodeType === Node.TEXT_NODE &&
+      range.startOffset > 0
+    ) {
+      const newStartNode = range.startContainer.splitText(range.startOffset);
+      range.setStart(newStartNode, 0);
+    }
+    if (
+      range.endContainer.nodeType === Node.TEXT_NODE &&
+      range.endOffset < range.endContainer.length
+    ) {
+      range.endContainer.splitText(range.endOffset);
+    }
+
+    // Create a Walker to traverse text nodes within range
+    const walker = document.createTreeWalker(
+      range.commonAncestorContainer,
+      NodeFilter.SHOW_TEXT,
+      {
+        acceptNode: (node) =>
+          range.intersectsNode(node)
+            ? NodeFilter.FILTER_ACCEPT
+            : NodeFilter.FILTER_REJECT,
+      }
+    );
+
+    const textNodes = [];
+
+    if (walker.currentNode?.nodeType === Node.TEXT_NODE) {
+      textNodes.push(walker.currentNode);
+    } else {
+      while (walker.nextNode()) {
+        textNodes.push(walker.currentNode);
+      }
+    }
+
+    for (let textNode of textNodes) {
+      const highlight = document.createElement("span");
+      highlight.classList.add("ai-helper-highlighted-selection");
+
+      // Replace textNode with highlighted clone
+      const clone = textNode.cloneNode(true);
+      highlight.appendChild(clone);
+
+      textNode.parentNode.replaceChild(highlight, textNode);
+    }
+
+    selection.removeAllRanges();
+    this.postHighlighted = true;
+  }
+
+  removeHighlightedText() {
+    if (!this.postHighlighted) {
+      return;
+    }
+
+    const postId = this.args.outletArgs.data.quoteState.postId;
+    const postElement = document.querySelector(
+      `article[data-post-id='${postId}'] .cooked`
+    );
+
+    if (!postElement) {
+      return;
+    }
+
+    postElement.innerHTML = this.originalPostHTML;
+    this.postHighlighted = false;
+  }
+
+  willDestroy() {
+    super.willDestroy(...arguments);
+    this.removeHighlightedText();
+  }
+
+  @action
+  async showAiPostHelperMenu() {
+    this.highlightSelectedText();
+    if (this.site.mobileView) {
+      this.currentMenu.close();
+
+      await this.menu.show(virtualElementFromTextRange(), {
+        identifier: "ai-post-helper-menu",
+        component: AiPostHelperMenu,
+        inline: true,
+        placement: this.shouldRenderUnder ? "bottom-start" : "top-start",
+        fallbackPlacements: this.shouldRenderUnder
+          ? ["bottom-end", "top-start"]
+          : ["bottom-start"],
+        trapTab: false,
+        closeOnScroll: false,
+        modalForMobile: true,
+        data: this.menuData,
+      });
+    }
+
+    this.showMainButtons = false;
+    this.menuState = this.MENU_STATES.options;
+  }
+
+  get menuData() {
+    // Streamline of data model to be passed to the component when
+    // instantiated as a DMenu or a simple component in the template
+    return {
+      ...this.args.outletArgs.data,
+      quoteState: {
+        buffer: this.args.outletArgs.data.quoteState.buffer,
+        opts: this.args.outletArgs.data.quoteState.opts,
+        postId: this.args.outletArgs.data.quoteState.postId,
+      },
+      post: this.args.outletArgs.post,
+      selectedText: this.selectedText,
+    };
+  }
+
+  <template>
+    {{#if this.showMainButtons}}
+      {{yield}}
+    {{/if}}
+
+    {{#if this.showAiButtons}}
+      <div class="ai-post-helper">
+        {{#if (eq this.menuState this.MENU_STATES.triggers)}}
+          <DButton
+            @icon="discourse-sparkles"
+            @title="discourse_ai.ai_helper.post_options_menu.title"
+            @label="discourse_ai.ai_helper.post_options_menu.trigger"
+            @action={{this.showAiPostHelperMenu}}
+            class="btn-flat ai-post-helper__trigger"
+          />
+
+        {{else if (eq this.menuState this.MENU_STATES.options)}}
+          <AiPostHelperMenu @data={{this.menuData}} />
+        {{/if}}
+      </div>
+    {{/if}}
+  </template>
+}
diff --git a/assets/stylesheets/modules/ai-helper/common/ai-helper.scss b/assets/stylesheets/modules/ai-helper/common/ai-helper.scss
index f15b008d..74fc05da 100644
--- a/assets/stylesheets/modules/ai-helper/common/ai-helper.scss
+++ b/assets/stylesheets/modules/ai-helper/common/ai-helper.scss
@@ -50,53 +50,6 @@
     list-style: none;
   }
 
-  li {
-    .btn-flat {
-      justify-content: left;
-      text-align: left;
-      background: none;
-      width: 100%;
-      border-radius: 0;
-      margin: 0;
-      padding-block: 0.6rem;
-
-      &:focus,
-      &:hover {
-        color: var(--primary);
-        background: var(--d-hover);
-
-        .d-icon {
-          color: var(--primary-medium);
-        }
-      }
-
-      .d-button-label {
-        color: var(--primary-very-high);
-      }
-    }
-  }
-
-  &__options {
-    padding: 0.25rem;
-
-    li:not(:last-child) {
-      border-bottom: 1px solid var(--primary-low);
-    }
-  }
-
-  &__loading {
-    display: flex;
-    padding: 0.5rem;
-    gap: 1rem;
-    justify-content: flex-start;
-    align-items: center;
-
-    .dot-falling {
-      margin-inline: 1rem;
-      margin-left: 1.5rem;
-    }
-  }
-
   &__resets {
     display: flex;
     align-items: center;
@@ -125,6 +78,19 @@
   }
 }
 
+.ai-helper-loading {
+  display: flex;
+  padding: 0.5rem;
+  gap: 1rem;
+  justify-content: flex-start;
+  align-items: center;
+
+  .dot-falling {
+    margin-inline: 1rem;
+    margin-left: 1.5rem;
+  }
+}
+
 .d-editor-input.loading {
   animation: loading-text 1.5s infinite linear;
 }
@@ -329,30 +295,6 @@
 }
 
 .ai-post-helper {
-  &__options {
-    display: flex;
-    flex-flow: column nowrap;
-    align-items: flex-start;
-    gap: 0.25rem;
-    justify-content: flex-start;
-
-    > button:last-child {
-      margin-bottom: 0.5rem;
-    }
-
-    .ai-custom-prompt {
-      padding: 0.5rem;
-      margin-bottom: 0;
-    }
-  }
-
-  &__options-button {
-    padding: 0.65rem 1rem;
-    display: block;
-    width: 100%;
-    text-align: left;
-  }
-
   &__suggestion {
     padding: 0.5rem;
     display: flex;
@@ -601,3 +543,66 @@
   gap: 0.5rem;
   color: var(--primary-high);
 }
+
+.ai-post-helper-menu__selected-text {
+  padding: 0.75rem 1rem;
+  margin: 0.5rem;
+  border: 1px solid var(--primary-low-mid);
+  border-radius: var(--d-border-radius);
+
+  h2 {
+    font-size: var(--font-0);
+  }
+
+  p {
+    @include ellipsis;
+    font-size: var(--font-down-2);
+    margin: 0;
+  }
+}
+
+// Mobile Bottom Modal
+.ai-post-helper-menu-content {
+  .ai-helper-loading {
+    justify-content: center;
+  }
+
+  .ai-helper-options__button {
+    padding: 1rem;
+  }
+}
+
+// AI Helper Options List
+.ai-helper-options {
+  margin: 0;
+  list-style: none;
+  padding: 0.5rem;
+
+  li:not(:last-child) {
+    border-bottom: 1px solid var(--primary-low);
+  }
+
+  &__button {
+    justify-content: left;
+    text-align: left;
+    background: none;
+    width: 100%;
+    border-radius: 0;
+    margin: 0;
+    padding-block: 0.6rem;
+
+    .d-button-label {
+      color: var(--primary-very-high);
+    }
+
+    &:focus,
+    &:hover {
+      color: var(--primary);
+      background: var(--d-hover);
+
+      .d-icon {
+        color: var(--primary-medium);
+      }
+    }
+  }
+}
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 70c4001e..0de84895 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -303,6 +303,7 @@ en:
           cancel: "Cancel"
           insert_footnote: "Add footnote"
           footnote_credits: "Explanation by AI"
+          selected_text: "Selected Text"
         fast_edit:
           suggest_button: "Suggest Edit"
         thumbnail_suggestions:
diff --git a/spec/system/ai_helper/ai_post_helper_spec.rb b/spec/system/ai_helper/ai_post_helper_spec.rb
index 02c9652e..ef2cc48c 100644
--- a/spec/system/ai_helper/ai_post_helper_spec.rb
+++ b/spec/system/ai_helper/ai_post_helper_spec.rb
@@ -23,7 +23,7 @@ RSpec.describe "AI Post helper", type: :system, js: true do
     )
   end
   let(:topic_page) { PageObjects::Pages::Topic.new }
-  let(:post_ai_helper) { PageObjects::Components::AIHelperPostOptions.new }
+  let(:post_ai_helper) { PageObjects::Components::AiPostHelperMenu.new }
   let(:fast_editor) { PageObjects::Components::FastEditor.new }
 
   before do
@@ -57,6 +57,12 @@ RSpec.describe "AI Post helper", type: :system, js: true do
       expect(post_ai_helper).to have_post_ai_helper_options
     end
 
+    it "should not have the mobile post AI helper" do
+      select_post_text(post)
+      post_ai_helper.click_ai_button
+      expect(post_ai_helper).to have_no_mobile_post_ai_helper
+    end
+
     it "highlights the selected text after clicking the AI button and removes after closing" do
       select_post_text(post)
       post_ai_helper.click_ai_button
@@ -200,4 +206,12 @@ RSpec.describe "AI Post helper", type: :system, js: true do
       end
     end
   end
+
+  context "when triggering post AI helper on mobile", mobile: true do
+    it "should use the bottom modal instead of the popup menu" do
+      select_post_text(post)
+      post_ai_helper.click_ai_button
+      expect(post_ai_helper).to have_mobile_post_ai_helper
+    end
+  end
 end
diff --git a/spec/system/page_objects/components/ai_helper_context_menu.rb b/spec/system/page_objects/components/ai_helper_context_menu.rb
index d2887031..51f05b8a 100644
--- a/spec/system/page_objects/components/ai_helper_context_menu.rb
+++ b/spec/system/page_objects/components/ai_helper_context_menu.rb
@@ -6,7 +6,7 @@ module PageObjects
       COMPOSER_EDITOR_SELECTOR = ".d-editor-input"
       CONTEXT_MENU_SELECTOR = ".ai-helper-context-menu"
       TRIGGER_STATE_SELECTOR = "#{CONTEXT_MENU_SELECTOR}__trigger"
-      OPTIONS_STATE_SELECTOR = "#{CONTEXT_MENU_SELECTOR}__options"
+      OPTIONS_STATE_SELECTOR = ".ai-helper-options"
       LOADING_STATE_SELECTOR = "#{CONTEXT_MENU_SELECTOR}__loading"
       RESETS_STATE_SELECTOR = "#{CONTEXT_MENU_SELECTOR}__resets"
       REVIEW_STATE_SELECTOR = "#{CONTEXT_MENU_SELECTOR}__review"
@@ -19,7 +19,9 @@ module PageObjects
       end
 
       def select_helper_model(mode)
-        find("#{OPTIONS_STATE_SELECTOR} li[data-value=\"#{mode}\"] .btn").click
+        find(
+          "#{OPTIONS_STATE_SELECTOR} li[data-value=\"#{mode}\"] .ai-helper-options__button",
+        ).click
       end
 
       def click_undo_button
diff --git a/spec/system/page_objects/components/ai_helper_post_options.rb b/spec/system/page_objects/components/ai_post_helper_menu.rb
similarity index 84%
rename from spec/system/page_objects/components/ai_helper_post_options.rb
rename to spec/system/page_objects/components/ai_post_helper_menu.rb
index 7f3c53fa..1313bffc 100644
--- a/spec/system/page_objects/components/ai_helper_post_options.rb
+++ b/spec/system/page_objects/components/ai_post_helper_menu.rb
@@ -2,15 +2,16 @@
 
 module PageObjects
   module Components
-    class AIHelperPostOptions < PageObjects::Components::Base
+    class AiPostHelperMenu < PageObjects::Components::Base
       POST_SELECTION_TOOLBAR_SELECTOR = ".quote-button"
       QUOTE_SELECTOR = ".insert-quote"
       EDIT_SELECTOR = ".quote-edit-label"
       SHARE_SELECTOR = ".quote-sharing"
 
       AI_HELPER_SELECTOR = ".ai-post-helper"
+      AI_HELPER_MOBILE_SELECTOR = ".ai-post-helper-menu-content"
       TRIGGER_SELECTOR = "#{AI_HELPER_SELECTOR}__trigger"
-      OPTIONS_SELECTOR = "#{AI_HELPER_SELECTOR}__options"
+      OPTIONS_SELECTOR = ".ai-helper-options"
       LOADING_SELECTOR = ".ai-helper-context-menu__loading"
       SUGGESTION_SELECTOR = "#{AI_HELPER_SELECTOR}__suggestion"
       HIGHLIGHT_SELECTOR = ".ai-helper-highlighted-selection"
@@ -39,6 +40,14 @@ module PageObjects
         page.has_no_css?(HIGHLIGHT_SELECTOR)
       end
 
+      def has_mobile_post_ai_helper?
+        page.has_css?(AI_HELPER_MOBILE_SELECTOR)
+      end
+
+      def has_no_mobile_post_ai_helper?
+        page.has_no_css?(AI_HELPER_MOBILE_SELECTOR)
+      end
+
       def has_post_ai_helper?
         page.has_css?(AI_HELPER_SELECTOR)
       end