document.addEventListener('alpine:init', () => {
  Alpine.data('agents', () => ({
    agents: [],
    operations: [],
    loading: true,

    agentSearch: '',
    openDropdown: null,

    // drawer state
    drawerOpen: false,
    drawerMode: 'create',   // 'create' | 'edit'
    editingId: null,

    // form fields
    form: {
      display_name: '',
      slug: '',
      description: '',
      status: 'active',
      selectedOps: [],
    },

    // operations picker
    opSearch: '',
    slugManuallyEdited: false,

    async init() {
      const [agentsRes, opsRes] = await Promise.all([
        fetch((window.DATA_URL||'data/')+'agents.json'),
        fetch((window.DATA_URL||'data/')+'operations.json'),
      ]);
      this.agents     = await agentsRes.json();
      this.operations = await opsRes.json();
      this.loading    = false;

      document.addEventListener('keydown', (e) => {
        if (e.key === 'Escape' && this.drawerOpen) this.closeDrawer();
      });

      document.addEventListener('click', () => { this.openDropdown = null; });
    },

    // ── computed ──
    get filteredAgents() {
      const q = this.agentSearch.toLowerCase().trim();
      if (!q) return this.agents;
      return this.agents.filter(a =>
        a.display_name.toLowerCase().includes(q) ||
        a.slug.toLowerCase().includes(q) ||
        (a.description || '').toLowerCase().includes(q)
      );
    },

    get totalCalls() {
      return this.agents.reduce((s, a) => s + (a.calls_today || 0), 0);
    },
    get activeCount() {
      return this.agents.filter(a => a.status === 'active').length;
    },
    get totalOpsExposed() {
      return this.agents.reduce((s, a) => s + (a.operation_count || 0), 0);
    },

    get filteredOps() {
      const q = this.opSearch.toLowerCase();
      if (!q) return this.operations;
      return this.operations.filter(op =>
        op.name.toLowerCase().includes(q) ||
        op.display_name.toLowerCase().includes(q)
      );
    },

    // ── drawer ──
    openCreate() {
      this.drawerMode = 'create';
      this.editingId  = null;
      this.form = { display_name: '', slug: '', description: '', status: 'active', selectedOps: [] };
      this.opSearch = '';
      this.slugManuallyEdited = false;
      this.drawerOpen = true;
    },

    openEdit(agent) {
      this.drawerMode = 'edit';
      this.editingId  = agent.id;
      this.form = {
        display_name: agent.display_name,
        slug:         agent.slug,
        description:  agent.description,
        status:       agent.status,
        selectedOps:  [...(agent.operation_ids || [])],
      };
      this.opSearch = '';
      this.slugManuallyEdited = true;
      this.drawerOpen = true;
    },

    closeDrawer() {
      this.drawerOpen = false;
    },

    // ── slug auto-derive ──
    onNameInput(val) {
      this.form.display_name = val;
      if (!this.slugManuallyEdited) {
        this.form.slug = val.toLowerCase().replace(/\s+/g, '-').replace(/[^a-z0-9-]/g, '');
      }
    },

    onSlugInput(val) {
      this.form.slug = val.toLowerCase().replace(/[^a-z0-9-]/g, '');
      this.slugManuallyEdited = true;
    },

    // ── operations picker ──
    toggleOp(opId) {
      const idx = this.form.selectedOps.indexOf(opId);
      if (idx === -1) this.form.selectedOps.push(opId);
      else this.form.selectedOps.splice(idx, 1);
    },
    isOpSelected(opId) {
      return this.form.selectedOps.includes(opId);
    },

    // ── save ──
    saveAgent() {
      if (!this.form.display_name.trim() || !this.form.slug.trim()) return;

      const ws = (localStorage.getItem('crank_workspace') || 'acme-workspace');
      const endpoint = '/mcp/v1/' + ws + '/' + this.form.slug;

      if (this.drawerMode === 'create') {
        this.agents.unshift({
          id:              'ag-' + Date.now(),
          slug:            this.form.slug,
          display_name:    this.form.display_name,
          description:     this.form.description,
          status:          this.form.status,
          operation_count: this.form.selectedOps.length,
          operation_ids:   [...this.form.selectedOps],
          key_count:       0,
          created_at:      new Date().toISOString(),
          created_by:      'AT',
          last_called_at:  null,
          calls_today:     0,
          mcp_endpoint:    endpoint,
        });
      } else {
        const idx = this.agents.findIndex(a => a.id === this.editingId);
        if (idx !== -1) {
          this.agents[idx] = Object.assign({}, this.agents[idx], {
            display_name:    this.form.display_name,
            slug:            this.form.slug,
            description:     this.form.description,
            status:          this.form.status,
            operation_count: this.form.selectedOps.length,
            operation_ids:   [...this.form.selectedOps],
            mcp_endpoint:    endpoint,
          });
        }
      }
      this.closeDrawer();
    },

    // ── delete ──
    deleteAgent(id) {
      this.agents = this.agents.filter(a => a.id !== id);
    },

    // ── helpers ──
    mcpEndpoint(agent) {
      if (agent.mcp_endpoint) return agent.mcp_endpoint;
      const ws = localStorage.getItem('crank_workspace') || 'acme-workspace';
      return '/mcp/v1/' + ws + '/' + agent.slug;
    },

    copyEndpoint(agent) {
      navigator.clipboard.writeText(this.mcpEndpoint(agent)).catch(() => {});
    },

    statusClass(status) {
      return 'agent-status-badge agent-status-' + status;
    },

    protocolBadge(op) {
      if (op.protocol === 'rest')    return 'badge badge-rest';
      if (op.protocol === 'graphql') return 'badge badge-graphql';
      return 'badge badge-grpc';
    },

    protocolLabel(op) {
      if (op.protocol === 'rest')    return 'REST';
      if (op.protocol === 'graphql') return 'GQL';
      return 'gRPC';
    },

    formatDate(dateStr) {
      if (!dateStr) return '—';
      return new Date(dateStr).toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: 'numeric' });
    },

    formatCalls(n) {
      if (!n) return '0';
      return n >= 1000 ? (n / 1000).toFixed(1) + 'k' : String(n);
    },
  }));
});