/*  DokuWiki MoaiEditor Editor.js file
    Version : 0.5a (May 6, 2026)
    Author  : MoaiTools <info@moaitools.org>
    License : GPL 3 (http://www.gnu.org/licenses/gpl.html) */

/*  Editor class
    ‾‾‾‾‾‾‾‾‾‾‾‾
    Handles different editors (Native, Codemirror, Prosemirror).
    
*/
MoaiEditor.Editor = class {

    constructor() {
    
        this.editors = [];
        this.count   = 1;
        this.current = null;
        this.name    = '';
        this._index = new MoaiEditor.LocalStorage('current_editor', 0, 'integer');
        
        // User settings
        this.linewrap = new MoaiEditor.LocalStorage('linewrap', 'soft', ['off','soft']);
    }
    // ┌───────────────────────────────────┐
    // │ Public                            │
    // └───────────────────────────────────┘
    
    init () {    
        // Populate list of editors
        this.editors.push( moaiEditor.mirror );
        for (let name in moaiEditor.plugins) {
            const plugin = moaiEditor.plugins[name];
            if (plugin.isEditor  &&  plugin.exists())
                this.editors.push(plugin);
        }
        // Update count
        this.count = this.editors.length;
        // Update current editor name and handle
        this.current = this.editors[this.index];
        this.name = this.current.name;
    }
    // ──────────────────────────────────── 
    start () {
        // Start the current editor
        this.current.enable();
        // Set wrap lines
        this.current.setWrap(this.linewrap.value);
    }
    // ──────────────────────────────────── 
    toggle () {
        // In phones, scroll to the textarea side (call goRight before to prevent refresh bug)
        moaiEditor.layout.goRight();
        // Stop any scroll loop in progress
        moaiEditor.scroll.halt();
        // Copy the scroll position
        moaiEditor.scroll.copy();
        // Disable previous editor
        this.current.disable();
        // Increment index
        this.index = this.index + 1;
        if (this.index >= this.count)
            this.index = 0;
        // Update current editor name and handle
        this.current = this.editors[this.index];
        this.name = this.current.name;
        // Enable current editor
        this.current.enable(true);
        // Set wrap lines
        this.current.setWrap(this.linewrap.value);
        // Paste the previously saved scroll position 
        moaiEditor.scroll.paste();
        // Show and update the dirty area overlay (if applicable)
        moaiEditor.dirty.showDirtyArea();
    }
    // ──────────────────────────────────── 
    onToolbarButtonInput () {
        this.current.onToolbarButtonInput();
    }
    // ────────────────────────────────────
    toggleWrapLines() {
        // In phones, scroll to the textarea side (call goRight before to prevent refresh bug)
        moaiEditor.layout.goRight();
        // Toggle the textarea wrap  
        const value = {soft:'off', off:'soft'}[moaiEditor.editor.linewrap.value];
        moaiEditor.editor.linewrap.value = value;
        moaiEditor.editor.current.setWrap(value);
    }
    // ────────────────────────────────────
    getEditors () {
        // Return list of available editors
        var names = [];
        for (let editor of this.editors)
            names.push('        - '+editor.name);
        return names.join('\n');
    }
    // ┌───────────────────────────────────┐
    // │ Private                           │
    // └───────────────────────────────────┘
    
    onInput () {
        // Placeholder
    }
    // ──────────────────────────────────── 
    set index(i) {
        this._index.value = i;
    }
    get index() {
        var i = parseInt(this._index.value);
        if (i < 0   ||  i >= this.count) {
            i = 0;
            this._index.value = i;
        }
        return i;
    }
}; // End Class