import { describe, it, expect } from 'vitest';
import { buildRowsFromPayload } from '../src/processor/index.js';

describe('Processor Logic', () => {
  const basePayload = {
    ts_ms: 1700000000000,
    hotel_id: 1001,
    room_id: '8001',
    device_id: 'dev_001',
    direction: '上报',
    cmd_word: '0x36',
    frame_id: 1,
    udp_raw: '3601...',
    sys_lock_status: 0,
    report_count: 0,
    fault_count: 0
  };

  it('should validate required fields', () => {
    expect(() => buildRowsFromPayload({})).toThrow();
    expect(() => buildRowsFromPayload({ ...basePayload, ts_ms: undefined })).toThrow();
  });

  it('should handle 0x36 Status Report with device list', () => {
    const payload = {
      ...basePayload,
      direction: '上报',
      cmd_word: '0x36',
      report_count: 2,
      device_list: [
        { dev_type: 1, dev_addr: 10, dev_loop: 1, dev_data: 100 },
        { dev_type: 1, dev_addr: 11, dev_loop: 2, dev_data: 0 }
      ]
    };

    const rows = buildRowsFromPayload(payload);
    expect(rows).toHaveLength(2);
    expect(rows[0].action_type).toBe('36上报');
    expect(rows[0].dev_addr).toBe(10);
    expect(rows[1].dev_addr).toBe(11);
    expect(rows[0].details.device_list).toHaveLength(2);
  });

  it('should handle 0x36 Fault Report', () => {
    const payload = {
      ...basePayload,
      direction: '上报',
      cmd_word: '0x36',
      fault_count: 1,
      fault_list: [
        { dev_type: 1, dev_addr: 10, dev_loop: 1, error_type: 2, error_data: 5 }
      ]
    };

    const rows = buildRowsFromPayload(payload);
    expect(rows).toHaveLength(1);
    expect(rows[0].action_type).toBe('36上报');
    expect(rows[0].error_type).toBe(2);
  });

  it('should handle 0x36 Mixed Report (Status + Fault)', () => {
    const payload = {
      ...basePayload,
      direction: '上报',
      cmd_word: '0x36',
      report_count: 1,
      fault_count: 1,
      device_list: [{ dev_type: 1, dev_addr: 10, dev_loop: 1, dev_data: 100 }],
      fault_list: [{ dev_type: 1, dev_addr: 10, dev_loop: 1, error_type: 2, error_data: 5 }]
    };

    const rows = buildRowsFromPayload(payload);
    expect(rows).toHaveLength(2); // 1 status + 1 fault
  });

  it('should handle 0x0F Control Command', () => {
    const payload = {
      ...basePayload,
      direction: '下发',
      cmd_word: '0x0F',
      control_list: [
        { dev_type: 1, dev_addr: 10, dev_loop: 1, type_l: 1, type_h: 2 }
      ]
    };

    const rows = buildRowsFromPayload(payload);
    expect(rows).toHaveLength(1);
    expect(rows[0].action_type).toBe('0F下发');
    expect(rows[0].type_l).toBe(1);
    expect(rows[0].type_h).toBe(2);
    expect(rows[0].dev_loop).toBe(1);
  });

  it('should handle 0x0F ACK', () => {
    const payload = {
      ...basePayload,
      direction: '上报',
      cmd_word: '0x0F'
    };

    const rows = buildRowsFromPayload(payload);
    expect(rows).toHaveLength(1);
    expect(rows[0].action_type).toBe('0FACK');
  });

  it('should fallback when lists are empty for 0x36', () => {
    const payload = {
      ...basePayload,
      direction: '上报',
      cmd_word: '0x36',
      device_list: [],
      fault_list: []
    };

    const rows = buildRowsFromPayload(payload);
    expect(rows).toHaveLength(1);
    expect(rows[0].action_type).toBe('36上报');
    expect(rows[0].dev_type).toBeNull();
  });
});