{% extends "admin/base.html" %}
{% block title %}Skills Library{% endblock %}
{% block header_title %}Skills Library (Claude Native){% endblock %}

{% block content %}
<input type="hidden" name="csrf_token" value="{{ csrf_token }}">
<div class="space-y-6 h-[80vh] flex flex-col">
    <!-- Header Controls -->
    <div class="flex flex-col md:flex-row justify-between items-start md:items-center gap-4 bg-black/20 p-4 rounded-xl border border-white/10 flex-shrink-0">
        <div class="flex gap-2 items-center">
            <button onclick="createNewSkill()" class="bg-indigo-600 hover:bg-indigo-500 px-6 py-2 rounded font-black text-xs uppercase tracking-widest shadow-[0_0_15px_rgba(99,102,241,0.4)] transition-all">
                + New Skill
            </button>
            <div class="h-6 w-px bg-white/10 mx-2"></div>
            <button onclick="document.getElementById('import-file').click()" class="bg-white/10 hover:bg-white/20 px-4 py-2 rounded font-bold text-xs uppercase transition-colors">
                Import (.md / .skill)
            </button>
            <button onclick="window.buildSkillWithAI()" class="bg-purple-600 hover:bg-purple-500 px-6 py-2 rounded font-black text-xs uppercase tracking-widest transition-colors">
                ✨ Build with AI
            </button>
            <input type="file" id="import-file" class="hidden" accept=".md,.skill,.zip" onchange="importSkill(event)">
        </div>
    </div>

    <!-- Main Workspace -->
    <div class="flex-grow grid grid-cols-1 lg:grid-cols-4 gap-6 min-h-0">
        <!-- Sidebar: Skill List -->
        <div class="lg:col-span-1 flex flex-col gap-4 min-h-0 h-full">
            <div class="card-style bg-black/40 border-white/5 flex flex-col h-full p-4 overflow-hidden">
                <div class="flex justify-between items-center mb-4 flex-shrink-0">
                    <h3 class="text-[10px] font-black text-gray-500 uppercase tracking-widest flex items-center gap-2">
                        <svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10"></path></svg>
                        Local Skills
                    </h3>
                    <button onclick="loadSkills()" class="text-[9px] text-indigo-400 hover:text-white uppercase font-bold">Refresh</button>
                </div>
                <div class="relative mb-3 flex-shrink-0">
                    <input type="text" id="skill-search" placeholder="Search skills..." class="w-full bg-black/40 border border-white/10 rounded px-3 py-1.5 text-xs text-white outline-none focus:border-indigo-500">
                </div>
                <div id="skills-list" class="space-y-1 overflow-y-auto custom-scrollbar flex-grow pr-2"></div>
            </div>
        </div>

        <!-- Main Editor View -->
        <div class="lg:col-span-3 flex flex-col h-full min-h-0">
            <div id="editor-container" class="hidden card-style border-indigo-500/30 bg-[#0a0a0f] flex flex-col h-full p-0 overflow-hidden">
                <div class="flex justify-between items-center p-4 border-b border-white/10 flex-shrink-0 bg-black/20">
                    <h3 class="text-white font-bold text-sm tracking-tight" id="current-filename"></h3>
                    <div class="flex items-center gap-2">
                        <div class="flex bg-white/5 rounded-lg p-0.5 mr-2">
                            <button id="btn-undo" onclick="document.getElementById('markdown-editor').focus(); document.execCommand('undo');" class="p-1.5 hover:bg-white/10 rounded text-gray-400 hover:text-white transition-all" title="Undo">
                                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 10h10a8 8 0 018 8v2M3 10l6 6m-6-6l6-6"></path></svg>
                            </button>
                        </div>
                        <button id="btn-edit-ai" onclick="editSkillWithAI()" class="text-[10px] font-black bg-purple-600/20 hover:bg-purple-600/40 px-3 py-1.5 rounded text-purple-300 uppercase border border-purple-500/30">✨ Edit with AI</button>
                        <button id="btn-copy-raw" class="text-[10px] text-gray-500 hover:text-white px-2 py-0.5 rounded border border-white/10 uppercase font-bold">Copy Raw</button>
                        <button id="btn-edit" onclick="toggleEditMode()" class="text-[10px] font-bold bg-white/5 hover:bg-white/10 px-3 py-1.5 rounded text-indigo-400 uppercase">Edit</button>
                        <div class="h-4 w-px bg-white/10 mx-2"></div>
                        <button onclick="exportCurrentSkill()" class="text-[10px] font-bold text-gray-400 hover:text-white uppercase">.SKILL</button>
                        <button onclick="deleteCurrentSkill()" class="text-[10px] font-bold text-red-400 hover:text-red-300 uppercase">Delete</button>
                        <button id="btn-save" onclick="saveCurrentSkill()" class="text-[10px] font-black bg-indigo-600 hover:bg-indigo-500 px-4 py-1.5 rounded text-white uppercase tracking-widest hidden">Save</button>
                    </div>
                </div>
                <div class="flex-grow p-4 overflow-hidden flex flex-col relative">
                    <div id="markdown-preview" class="flex-grow w-full overflow-y-auto custom-scrollbar prose prose-invert max-w-none text-sm text-gray-300 leading-relaxed pb-8">
                        <div id="meta-grid" class="space-y-3 mb-8 pb-6 border-b border-white/10"></div>
                        <div id="content-body" class="prose-headings:font-black prose-headings:text-indigo-400"></div>
                    </div>
                    <textarea id="markdown-editor" class="flex-grow w-full bg-transparent border-none font-mono text-xs text-gray-300 outline-none resize-none custom-scrollbar leading-relaxed hidden" spellcheck="false"></textarea>
                </div>
            </div>
            <div id="empty-state" class="card-style border-dashed border-white/10 flex flex-col items-center justify-center h-full text-center p-8">
                <h3 class="text-xl font-bold text-white mb-2">Skills Library</h3>
                <p class="text-sm text-gray-400 max-w-md">Select a skill from the sidebar to edit, or create a new one.</p>
            </div>
        </div>
    </div>
</div>

<!-- Templates for AI Builder & Editor -->
<template id="ai-editor-modal-template">
    <div class="space-y-4">
        <div class="p-3 bg-indigo-500/10 border border-indigo-500/30 rounded-lg">
            <h4 class="text-[10px] font-black text-indigo-400 uppercase tracking-widest mb-1">Skill Architect Editor</h4>
            <p class="text-[11px] text-gray-400 leading-relaxed">Provide instructions to refine the current skill. You can attach references below to guide the AI.</p>
        </div>
        <textarea id="edit-skill-prompt" class="w-full h-32 p-3 bg-black/40 border border-white/10 rounded-xl text-sm text-white focus:border-indigo-500 outline-none" placeholder="e.g. Add a section about error handling, or refine the trigger phrases..."></textarea>
        
        <div class="flex flex-col gap-2">
            <span class="text-[10px] font-black text-gray-500 uppercase tracking-widest px-1">Attached Context</span>
            <div id="e-previews" class="flex flex-wrap gap-2 min-h-[32px] p-2 bg-black/20 border border-white/5 rounded-lg"></div>
        </div>

        <div class="flex gap-2">
            <button type="button" onclick="document.getElementById('e-img-input').click()" class="flex items-center gap-2 text-[10px] font-bold py-2 px-3 bg-white/5 rounded-lg border border-white/10 hover:bg-white/10">📷 Images</button>
            <button type="button" onclick="document.getElementById('e-doc-input').click()" class="flex items-center gap-2 text-[10px] font-bold py-2 px-3 bg-white/5 rounded-lg border border-white/10 hover:bg-white/10">📄 Docs</button>
            <button type="button" onclick="window.triggerSkillEditorWebImport()" class="flex items-center gap-2 text-[10px] font-bold py-2 px-3 bg-indigo-600/20 text-indigo-300 rounded-lg border border-indigo-500/30 hover:bg-indigo-600/30">🌍 Web Import</button>
        </div>
        
        <input type="file" id="e-img-input" class="hidden" multiple accept="image/*">
        <input type="file" id="e-doc-input" class="hidden" multiple accept=".txt,.md,.pdf,.csv">

        <div id="edit-skill-status" class="hidden bg-black/60 border border-white/10 rounded-lg p-3 h-24 overflow-y-auto font-mono text-[10px] text-gray-400 space-y-1"></div>
        <button onclick="window.executeSkillEdit()" id="skill-edit-run-btn" class="w-full py-3 bg-indigo-600 hover:bg-indigo-500 rounded-xl font-black text-xs uppercase tracking-widest transition-all">Refine Skill</button>
    </div>
</template>

<template id="ai-builder-modal-template">
    <div class="space-y-4">
        <textarea id="build-skill-prompt" class="w-full h-40 p-3 bg-black/40 border border-white/10 rounded-xl text-sm text-white focus:border-indigo-500 outline-none transition-colors" placeholder="Describe the skill you want to build..."></textarea>
        
        <div class="flex flex-col gap-2">
            <span class="text-[10px] font-black text-gray-500 uppercase tracking-widest px-1">Attached Context</span>
            <div id="m-previews" class="flex flex-wrap gap-2 min-h-[32px] p-2 bg-black/20 border border-white/5 rounded-lg"></div>
        </div>

        <div class="flex gap-2">
            <button type="button" onclick="document.getElementById('m-img-input').click()" class="flex items-center gap-2 text-[10px] font-bold py-2 px-3 bg-white/5 rounded-lg border border-white/10 hover:bg-white/10 transition-colors">📷 Images</button>
            <button type="button" onclick="document.getElementById('m-doc-input').click()" class="flex items-center gap-2 text-[10px] font-bold py-2 px-3 bg-white/5 rounded-lg border border-white/10 hover:bg-white/10 transition-colors">📄 Docs</button>
            <button type="button" onclick="window.triggerSkillWebImport()" class="flex items-center gap-2 text-[10px] font-bold py-2 px-3 bg-indigo-600/20 text-indigo-300 rounded-lg border border-indigo-500/30 hover:bg-indigo-600/30 transition-colors">🌍 Web Import</button>
        </div>
        
        <input type="file" id="m-img-input" class="hidden" multiple accept="image/*">
        <input type="file" id="m-doc-input" class="hidden" multiple accept=".txt,.md,.pdf,.csv">

        <div id="build-skill-status" class="hidden bg-black/60 border border-white/10 rounded-lg p-3 h-24 overflow-y-auto font-mono text-[10px] text-gray-400 space-y-1 custom-scrollbar"></div>
        <label class="flex items-center gap-2 cursor-pointer group px-1">
            <input type="checkbox" id="shl-build-skill" class="h-4 w-4 rounded text-indigo-600 bg-black/40 border-white/10">
            <span class="text-[10px] font-black text-gray-500 uppercase tracking-widest group-hover:text-indigo-400 transition-colors">Activate Self-Healing Loop (Test & Fix)</span>
        </label>
        <button onclick="window.executeSkillBuild()" id="skill-build-run-btn" class="w-full py-3 bg-indigo-600 hover:bg-indigo-500 rounded-xl font-black text-xs uppercase tracking-widest transition-all">Generate Skill</button>
    </div>
</template>

<script>
let currentEditingSkill = null;
let allSkills = [];
let isEditMode = false;

document.addEventListener('DOMContentLoaded', () => {
    loadSkills();
    
    // --- Unified SSE Listener (Handles sys_build_ build events) ---
    const buildEvtSource = new EventSource("{{ url_for('sse_events') }}");
    buildEvtSource.onmessage = (e) => {
        const msg = JSON.parse(e.data);
        if (msg.type === 'snapshot' || !msg.id || !msg.id.startsWith('sys_build_')) return;
        
        // Target specifically the visible status box in the current modal
        const box = document.getElementById('build-skill-status') || document.getElementById('build-persona-status');
        if (!box || !msg.error) return;

        const entry = document.createElement('div');
        entry.className = msg.type === 'error' ? 'text-red-400' : 'text-indigo-300';
        entry.innerHTML = `<span class="opacity-50">[${new Date().toLocaleTimeString()}]</span> ${msg.error}`;
        box.appendChild(entry); box.scrollTop = box.scrollHeight;
    };
});

// --- AI Skill Builder logic (Powered by shared Architect module) ---
window.buildSkillWithAI = () => {
    const template = document.getElementById('ai-builder-modal-template');
    window.showModal("Build Skill with AI", template.innerHTML);
    
    document.getElementById('build-skill-prompt').value = window.Architect.prompt;
    document.getElementById('m-img-input').onchange = (e) => window.Architect.handleFiles(e.target.files, () => window.Architect.renderPreviews('m-previews'));
    document.getElementById('m-doc-input').onchange = (e) => window.Architect.handleFiles(e.target.files, () => window.Architect.renderPreviews('m-previews'));
    
    window.Architect.renderPreviews('m-previews');
};

window.triggerSkillWebImport = () => {
    window.Architect.triggerWebImport('build-skill-prompt', window.buildSkillWithAI);
};

window.executeSkillBuild = () => {
    window.Architect.executeBuild(
        'build-skill-prompt', 
        "{{ url_for('api_build_skill') }}", 
        'build-skill-status', 
        'skill-build-run-btn',
        (data) => {
            loadSkills().then(() => openSkill(data.filename));
        }
    );
};

// --- AI Skill Editor logic ---
window.editSkillWithAI = () => {
    const template = document.getElementById('ai-editor-modal-template');
    window.showModal("Edit Skill with AI Architect", template.innerHTML);
    
    window.Architect.reset(); // Clear context for new edit session
    
    document.getElementById('e-img-input').onchange = (e) => window.Architect.handleFiles(e.target.files, () => window.Architect.renderPreviews('e-previews'));
    document.getElementById('e-doc-input').onchange = (e) => window.Architect.handleFiles(e.target.files, () => window.Architect.renderPreviews('e-previews'));
};

window.triggerSkillEditorWebImport = () => {
    window.Architect.triggerWebImport('edit-skill-prompt', window.editSkillWithAI);
};

window.executeSkillEdit = () => {
    const statusBox = document.getElementById('edit-skill-status');
    const btn = document.getElementById('skill-edit-run-btn');
    const prompt = document.getElementById('edit-skill-prompt').value;
    const currentCode = document.getElementById('markdown-editor').value;

    if (!prompt.trim()) return alert("Please provide instructions for the AI.");

    btn.disabled = true;
    statusBox.classList.remove('hidden');
    statusBox.innerHTML = '<div>[System] Communicating with Architect...</div>';

    const formData = window.Architect.prepareFormData('edit-skill-prompt');
    formData.append("current_content", currentCode);
    formData.append("csrf_token", "{{ csrf_token }}");

    fetch("{{ url_for('api_edit_skill') }}", { method: 'POST', body: formData })
        .then(r => r.json())
        .then(data => {
            if (data.success) {
                document.getElementById('markdown-editor').value = data.edited_content;
                displaySkill(data.edited_content);
                setEditorMode(false);
                document.getElementById('modal-close-btn').click();
            } else {
                alert(data.error);
            }
        })
        .finally(() => btn.disabled = false);
};

// --- Standard CRUD Logic ---

async function loadSkills() {
    const listEl = document.getElementById('skills-list');
    const resp = await fetch("{{ url_for('api_get_skills') }}");
    allSkills = await resp.json();
    renderList();
}

function renderList() {
    const listEl = document.getElementById('skills-list');
    listEl.innerHTML = allSkills.map(s => `
        <div class="w-full text-left p-3 rounded-lg hover:bg-white/5 group border-b border-white/5 transition-all mb-1 flex items-center justify-between ${currentEditingSkill === s.filename ? 'bg-indigo-500/10 border-l-2 border-l-indigo-500' : ''}">
            <button onclick="openSkill('${s.filename}')" class="flex-grow text-left min-w-0">
                <div class="text-xs font-bold text-white group-hover:text-indigo-400 truncate">${s.name}</div>
                <div class="text-[10px] text-gray-500 group-hover:text-gray-300 line-clamp-1 leading-tight">${s.description}</div>
            </button>
        </div>
    `).join('');
}

window.openSkill = (filename) => {
    const skill = allSkills.find(s => s.filename === filename);
    if (!skill) return;
    currentEditingSkill = filename;
    document.getElementById('current-filename').textContent = filename;
    document.getElementById('markdown-editor').value = skill.raw;
    document.getElementById('empty-state').classList.add('hidden');
    document.getElementById('editor-container').classList.remove('hidden');
    displaySkill(skill.raw);
    setEditorMode(false);
    renderList();
};

function displaySkill(raw) {
    const contentBody = document.getElementById('content-body');
    const metaGrid = document.getElementById('meta-grid');
    const match = raw.match(/^---\n([\s\S]*?)\n---/);
    
    if (match) {
        try {
            const meta = jsyaml.load(match[1]);
            metaGrid.innerHTML = Object.entries(meta).map(([k, v]) => `
                <div class="flex items-start">
                    <div class="w-32 text-[10px] uppercase text-gray-500 font-black tracking-widest pt-0.5">${k}</div>
                    <div class="text-sm font-bold text-indigo-300 break-words">${v}</div>
                </div>
            `).join('');
            contentBody.innerHTML = marked.parse(raw.slice(match[0].length).trim());
        } catch(e) { metaGrid.innerHTML = "Error parsing frontmatter"; }
    } else {
        metaGrid.innerHTML = "";
        contentBody.innerHTML = marked.parse(raw);
    }
}

function setEditorMode(mode) {
    isEditMode = mode;
    document.getElementById('markdown-editor').classList.toggle('hidden', !mode);
    document.getElementById('markdown-preview').classList.toggle('hidden', mode);
    document.getElementById('btn-save').classList.toggle('hidden', !mode);
    document.getElementById('btn-edit').innerText = mode ? 'Preview' : 'Edit';
}

window.saveCurrentSkill = async () => {
    const content = document.getElementById('markdown-editor').value;
    const formData = new FormData();
    formData.append("csrf_token", "{{ csrf_token }}");
    formData.append("filename", currentEditingSkill);
    formData.append("content", content);

    const resp = await fetch("{{ url_for('api_save_skill') }}", { method: "POST", body: formData });
    if (resp.ok) {
        await loadSkills();
        setEditorMode(false);
        displaySkill(content);
    }
};

window.exportCurrentSkill = () => {
    if (currentEditingSkill) window.location.href = `/admin/api/skills/${currentEditingSkill}/export`;
};

window.deleteCurrentSkill = async () => {
    if (!confirm("Delete permanently?")) return;
    await fetch(`/admin/api/skills/${currentEditingSkill}`, { 
        method: "DELETE", 
        headers: { "X-CSRF-Token": "{{ csrf_token }}" } 
    });
    window.location.reload();
};

window.createNewSkill = () => {
    currentEditingSkill = "new-skill.md";
    document.getElementById('markdown-editor').value = "---\nname: my-skill\ndescription: ...\n---\n# My Skill";
    document.getElementById('empty-state').classList.add('hidden');
    document.getElementById('editor-container').classList.remove('hidden');
    setEditorMode(true);
};
</script>
{% endblock %}