/**
 * CLQMS V2 Frontend - Alpine.js Components
 */

document.addEventListener('alpine:init', () => {

  /**
   * Toast Store
   */
  Alpine.store('toast', {
    messages: [],

    show(message, type = 'info', duration = 4000) {
      const id = Date.now();
      this.messages.push({ id, message, type });
      setTimeout(() => this.dismiss(id), duration);
    },

    dismiss(id) {
      this.messages = this.messages.filter(m => m.id !== id);
    },

    success(msg) { this.show(msg, 'success'); },
    error(msg) { this.show(msg, 'error', 6000); },
    info(msg) { this.show(msg, 'info'); }
  });

  /**
   * API Response Store
   */
  Alpine.store('apiResponse', {
    hasResponse: false,
    status: '',
    statusClass: '',
    time: 0,
    body: '',

    set(status, body, time) {
      this.hasResponse = true;
      this.status = status;
      this.statusClass = status >= 200 && status < 300 ? 'badge-success' : 'badge-error';
      this.time = time;
      this.body = typeof body === 'string' ? body : JSON.stringify(body, null, 2);
    }
  });

  /**
   * API Tester Component
   */
  Alpine.data('apiTester', () => ({
    method: 'GET',
    url: '/api/patient',
    body: '{\n  \n}',
    loading: false,

    setEndpoint(method, url) {
      this.method = method;
      this.url = url;
    },

    async sendRequest() {
      this.loading = true;
      const startTime = performance.now();

      try {
        const options = {
          method: this.method,
          headers: {
            'Content-Type': 'application/json',
            'Accept': 'application/json'
          },
          credentials: 'include'
        };

        if (this.method === 'POST' || this.method === 'PATCH') {
          try {
            options.body = this.body;
            JSON.parse(this.body); // Validate JSON
          } catch (e) {
            Alpine.store('toast').error('Invalid JSON body');
            this.loading = false;
            return;
          }
        }

        const response = await fetch(this.url, options);
        const endTime = performance.now();

        let data;
        const contentType = response.headers.get('content-type');
        if (contentType && contentType.includes('application/json')) {
          data = await response.json();
        } else {
          data = await response.text();
        }

        Alpine.store('apiResponse').set(
          response.status,
          data,
          Math.round(endTime - startTime)
        );

      } catch (err) {
        Alpine.store('toast').error('Request failed: ' + err.message);
      } finally {
        this.loading = false;
      }
    }
  }));

  /**
   * DB Browser Component
   */
  Alpine.data('dbBrowser', () => ({
    tables: [],
    loadingTables: true,
    selectedTable: null,
    tableData: null,
    loadingData: false,

    init() {
      this.loadTables();
    },

    async loadTables() {
      this.loadingTables = true;
      try {
        const res = await fetch('/v2/api/tables', { credentials: 'include' });
        const data = await res.json();
        this.tables = data.tables || [];
      } catch (e) {
        Alpine.store('toast').error('Failed to load tables');
      } finally {
        this.loadingTables = false;
      }
    },

    async selectTable(table) {
      this.selectedTable = table;
      this.loadingData = true;
      this.tableData = null;

      try {
        const res = await fetch(`/v2/api/table/${table}`, { credentials: 'include' });
        this.tableData = await res.json();
      } catch (e) {
        Alpine.store('toast').error('Failed to load table data');
      } finally {
        this.loadingData = false;
      }
    }
  }));

  /**
   * Logs Viewer Component
   */
  Alpine.data('logsViewer', () => ({
    logs: [],
    loading: true,
    expandedLogs: [],

    init() {
      this.loadLogs();
    },

    async loadLogs() {
      this.loading = true;
      try {
        const res = await fetch('/v2/api/logs', { credentials: 'include' });
        const data = await res.json();
        this.logs = data.logs || [];
      } catch (e) {
        Alpine.store('toast').error('Failed to load logs');
      } finally {
        this.loading = false;
      }
    },

    toggleLog(name) {
      if (this.expandedLogs.includes(name)) {
        this.expandedLogs = this.expandedLogs.filter(n => n !== name);
      } else {
        this.expandedLogs.push(name);
      }
    },

    formatSize(bytes) {
      if (bytes < 1024) return bytes + ' B';
      if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
      return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
    }
  }));

});