From 38cb925fa4c7e9f534aea80505c04d777e69068a Mon Sep 17 00:00:00 2001
From: KoloMl <thekolomoets@hotmail.com>
Date: Sat, 12 Oct 2024 03:38:01 +0400
Subject: [PATCH] Implemented option to add the tag into active profile from
 dropdown

---
 manifest.json                            |  17 ++
 src/content/tags.js                      |   5 +
 src/lib/components/TagDropdownWrapper.js | 191 +++++++++++++++++++++++
 3 files changed, 213 insertions(+)
 create mode 100644 src/content/tags.js
 create mode 100644 src/lib/components/TagDropdownWrapper.js

diff --git a/manifest.json b/manifest.json
index 0da50e3..a6be1ee 100644
--- a/manifest.json
+++ b/manifest.json
@@ -39,6 +39,23 @@
             "js": [
                 "src/content/header.js"
             ]
+        },
+        {
+            "matches": [
+                "*://*.furbooru.org/images?*",
+                "*://*.furbooru.org/images/*",
+                "*://*.furbooru.org/images/*/tag_changes",
+                "*://*.furbooru.org/images/*/tag_changes?*",
+                "*://*.furbooru.org/search?*",
+                "*://*.furbooru.org/tags?*",
+                "*://*.furbooru.org/tags/*",
+                "*://*.furbooru.org/profiles/*/tag_changes",
+                "*://*.furbooru.org/profiles/*/tag_changes?*",
+                "*://*.furbooru.org/filters/*"
+            ],
+            "js": [
+                "src/content/tags.js"
+            ]
         }
     ],
     "action": {
diff --git a/src/content/tags.js b/src/content/tags.js
new file mode 100644
index 0000000..232bb7c
--- /dev/null
+++ b/src/content/tags.js
@@ -0,0 +1,5 @@
+import {wrapTagDropdown} from "$lib/components/TagDropdownWrapper.js";
+
+for (let tagDropdownElement of document.querySelectorAll('.tag.dropdown')) {
+  wrapTagDropdown(tagDropdownElement);
+}
diff --git a/src/lib/components/TagDropdownWrapper.js b/src/lib/components/TagDropdownWrapper.js
new file mode 100644
index 0000000..728e9b2
--- /dev/null
+++ b/src/lib/components/TagDropdownWrapper.js
@@ -0,0 +1,191 @@
+import {BaseComponent} from "$lib/components/base/BaseComponent.js";
+import MaintenanceProfile from "$entities/MaintenanceProfile.js";
+import MaintenanceSettings from "$lib/extension/settings/MaintenanceSettings.js";
+
+class TagDropdownWrapper extends BaseComponent {
+  /**
+   * Container with dropdown elements to insert options into.
+   * @type {HTMLElement}
+   */
+  #dropdownContainer;
+
+  /**
+   * Button to add or remove the current tag into/from the active profile.
+   * @type {HTMLAnchorElement|null}
+   */
+  #toggleOnExistingButton = null;
+
+  /**
+   * Button to create a new profile, make it active and add the current tag into the active profile.
+   * @type {HTMLAnchorElement|null}
+   */
+  #addToNewButton = null;
+
+  /**
+   * Local clone of the currently active profile used for updating the list of tags.
+   * @type {MaintenanceProfile|null}
+   */
+  #activeProfile = null;
+
+  /**
+   * Is cursor currently entered the dropdown.
+   * @type {boolean}
+   */
+  #isEntered = false;
+
+  build() {
+    this.#dropdownContainer = this.container.querySelector('.dropdown__content');
+  }
+
+  init() {
+    this.on('mouseenter', this.#onDropdownEntered.bind(this));
+    this.on('mouseleave', this.#onDropdownLeft.bind(this));
+
+    TagDropdownWrapper.#watchActiveProfile(activeProfileOrNull => {
+      this.#activeProfile = activeProfileOrNull;
+
+      if (this.#isEntered) {
+        this.#updateButtons();
+      }
+    });
+  }
+
+  get #tagName() {
+    return this.container.dataset.tagName;
+  }
+
+  #onDropdownEntered() {
+    this.#isEntered = true;
+    this.#updateButtons();
+  }
+
+  #onDropdownLeft() {
+    this.#isEntered = false;
+  }
+
+  #updateButtons() {
+    if (!this.#activeProfile) {
+      this.#addToNewButton ??= TagDropdownWrapper.#createDropdownLink(
+        'Add to new tagging profile',
+        this.#onAddToNewClicked.bind(this)
+      );
+
+      if (!this.#addToNewButton.isConnected) {
+        this.#dropdownContainer.append(this.#addToNewButton);
+      }
+    } else {
+      this.#addToNewButton?.remove();
+    }
+
+    if (this.#activeProfile) {
+      this.#toggleOnExistingButton ??= TagDropdownWrapper.#createDropdownLink(
+        'Add to existing tagging profile',
+        this.#onToggleInExistingClicked.bind(this)
+      );
+
+      const profileName = this.#activeProfile.settings.name;
+      let profileSpecificButtonText = `Add to profile "${profileName}"`;
+
+      if (this.#activeProfile.settings.tags.includes(this.#tagName)) {
+        profileSpecificButtonText = `Remove from profile "${profileName}"`;
+      }
+
+      this.#toggleOnExistingButton.innerText = profileSpecificButtonText;
+
+      if (!this.#toggleOnExistingButton.isConnected) {
+        this.#dropdownContainer.append(this.#toggleOnExistingButton);
+      }
+
+      return;
+    }
+
+    this.#toggleOnExistingButton?.remove();
+  }
+
+  async #onAddToNewClicked() {
+    const profile = new MaintenanceProfile(crypto.randomUUID(), {
+      name: 'Temporary Profile (' + (new Date().toISOString()) + ')',
+      tags: [this.#tagName]
+    });
+
+    await profile.save();
+    await TagDropdownWrapper.#maintenanceSettings.setActiveProfileId(profile.id);
+  }
+
+  async #onToggleInExistingClicked() {
+    if (!this.#activeProfile) {
+      return;
+    }
+
+    const tagsList = new Set(this.#activeProfile.settings.tags);
+    const targetTagName = this.#tagName;
+
+    if (tagsList.has(targetTagName)) {
+      tagsList.delete(targetTagName);
+    } else {
+      tagsList.add(targetTagName);
+    }
+
+    this.#activeProfile.settings.tags = Array.from(tagsList.values());
+
+    await this.#activeProfile.save();
+  }
+
+  static #maintenanceSettings = new MaintenanceSettings();
+
+  /**
+   * Watch for changes to active profile.
+   * @param {(profile: MaintenanceProfile|null) => void} onActiveProfileChange Callback to call when profile was
+   * changed.
+   */
+  static #watchActiveProfile(onActiveProfileChange) {
+    let lastActiveProfile;
+
+    this.#maintenanceSettings.subscribe((settings) => {
+      lastActiveProfile = settings.activeProfile;
+
+      this.#maintenanceSettings
+        .resolveActiveProfileAsObject()
+        .then(onActiveProfileChange);
+    });
+
+    MaintenanceProfile.subscribe(profiles => {
+      const activeProfile = profiles
+        .find(profile => profile.id === lastActiveProfile);
+
+      onActiveProfileChange(activeProfile);
+    });
+
+    this.#maintenanceSettings
+      .resolveActiveProfileAsObject()
+      .then(activeProfile => {
+        lastActiveProfile = activeProfile?.id ?? null;
+        onActiveProfileChange(activeProfile);
+      });
+  }
+
+  /**
+   * Create element for dropdown.
+   * @param {string} text Base text for the option.
+   * @param {(event: MouseEvent) => void} onClickHandler Click handler. Event will be prevented by default.
+   * @return {HTMLAnchorElement}
+   */
+  static #createDropdownLink(text, onClickHandler) {
+    /** @type {HTMLAnchorElement} */
+    const dropdownLink = document.createElement('a');
+    dropdownLink.href = '#';
+    dropdownLink.innerText = text;
+    dropdownLink.className = 'tag__dropdown__link';
+
+    dropdownLink.addEventListener('click', event => {
+      event.preventDefault();
+      onClickHandler(event);
+    });
+
+    return dropdownLink;
+  }
+}
+
+export function wrapTagDropdown(element) {
+  new TagDropdownWrapper(element).initialize();
+}