import * as fs from 'fs';
import * as path from 'path';
import { getMetadataArgsStorage } from 'typeorm';
import { CONTROLLER_KEY, getClassMetadata } from '@midwayjs/core';
import { BaseController, CurdOption } from '@cool-midway/core';
import { BaseEntity, transformerJson } from '../../../src/comm/entity/base';
import { NFCSceneRule } from '../../../src/comm/types/omni';
import { NfcRuleEntity } from '../../../src/modules/nfc/entity/rule';
import { NfcRuleService } from '../../../src/modules/nfc/service/rule';
import {
  AdminNfcRuleController,
  adminNfcRuleCurdOption,
} from '../../../src/modules/nfc/controller/admin/rule';

/**
 * CoolController 元数据（脚本路径解析为异步）
 */
interface CoolControllerMeta {
  prefix?: string;
  curdOption?: CurdOption;
}

/**
 * 等待 CoolController 将 CRUD 配置写入类元数据
 */
async function waitCoolMeta(
  target: new (...args: never[]) => unknown
): Promise<CoolControllerMeta> {
  const started = Date.now();
  while (Date.now() - started < 2000) {
    const meta = getClassMetadata(CONTROLLER_KEY, target) as
      | CoolControllerMeta
      | undefined;
    if (meta?.curdOption) {
      return meta;
    }
    await new Promise<void>(resolve => setImmediate(resolve));
  }
  throw new Error(`${target.name} 的 CoolController 元数据未就绪`);
}

function serviceApiMethods(apis: CurdOption['serviceApis'] = []): string[] {
  return apis.map(api => (typeof api === 'string' ? api : api.method));
}

interface RuleFindOptions {
  where?: Partial<
    Pick<NfcRuleEntity, 'id' | 'tenantId' | 'deviceId' | 'enabled'>
  >;
}

/**
 * 内存 Repository，覆盖 resolveScene 查询
 */
class MemoryRuleRepo {
  private data: NfcRuleEntity[] = [];
  private currentId = 1;

  constructor(initialData: Array<Partial<NfcRuleEntity>> = []) {
    this.data = initialData.map(item => this.createEntity(item));
    if (this.data.length > 0) {
      this.currentId = Math.max(...this.data.map(d => Number(d.id) || 0)) + 1;
    }
  }

  private createEntity(item: Partial<NfcRuleEntity>): NfcRuleEntity {
    const entity = new NfcRuleEntity();
    Object.assign(entity, {
      id: item.id || this.currentId++,
      createTime: item.createTime || new Date(),
      updateTime: new Date(),
      ...item,
    });
    return entity;
  }

  async find(options?: RuleFindOptions): Promise<NfcRuleEntity[]> {
    let result = [...this.data];
    if (options?.where) {
      const where = options.where;
      result = result.filter(item => {
        const keys = Object.keys(where) as Array<keyof typeof where>;
        return keys.every(key => {
          const expected = where[key];
          return expected === undefined || item[key] === expected;
        });
      });
    }
    return result.map(item => ({ ...item } as NfcRuleEntity));
  }
}

function createService(
  seed: Array<Partial<NfcRuleEntity>> = []
): NfcRuleService {
  const service = new NfcRuleService();
  service.nfcRuleEntity = new MemoryRuleRepo(
    seed
  ) as unknown as NfcRuleService['nfcRuleEntity'];
  return service;
}

/** 2026-09-21 周一 10:00（本地） */
function mondayAt10(): Date {
  return new Date(2026, 8, 21, 10, 0, 0);
}

/** 2026-09-26 周六 22:00（本地） */
function saturdayAt22(): Date {
  return new Date(2026, 8, 26, 22, 0, 0);
}

function seedPrdRules(): Array<Partial<NfcRuleEntity>> {
  return [
    {
      id: 1,
      tenantId: 10,
      deviceId: null,
      name: '工作日展会名片',
      sceneMode: 'business',
      targetCardId: 101,
      enabled: true,
      startTime: '09:00',
      endTime: '18:00',
      weekdays: [1, 2, 3, 4, 5],
      countryCode: null,
    },
    {
      id: 2,
      tenantId: 10,
      deviceId: null,
      name: '晚间周末社交名片',
      sceneMode: 'social',
      targetCardId: 202,
      enabled: true,
      startTime: '18:00',
      endTime: '09:00',
      weekdays: [0, 5, 6],
      countryCode: null,
    },
  ];
}

describe('T23 NFC 场景路由规则 (nfc_rule)', () => {
  describe('1. 实体 NfcRuleEntity 表结构与列名', () => {
    const metadata = getMetadataArgsStorage();

    it('应继承 comm/entity/base BaseEntity，表名为 nfc_rule', () => {
      const entity = new NfcRuleEntity();
      expect(entity).toBeInstanceOf(BaseEntity);

      const table = metadata.tables.find(t => t.target === NfcRuleEntity);
      expect(table).toBeDefined();
      expect(table?.name).toBe('nfc_rule');
    });

    it('实例应满足 NFCSceneRule 契约', () => {
      const rule = new NfcRuleEntity();
      rule.id = 1;
      rule.tenantId = 10;
      rule.deviceId = 88;
      rule.name = '展会';
      rule.sceneMode = 'business';
      rule.targetCardId = 101;
      rule.enabled = true;
      rule.startTime = '09:00';
      rule.endTime = '18:00';
      rule.weekdays = [1, 2, 3, 4, 5];
      rule.countryCode = 'AE';

      const contract: NFCSceneRule = rule;
      expect(contract.sceneMode).toBe('business');
      expect(contract.targetCardId).toBe(101);
      expect(contract.weekdays).toEqual([1, 2, 3, 4, 5]);
    });

    it('属性必须映射为下划线列名', () => {
      const columns = metadata.columns.filter(c => c.target === NfcRuleEntity);
      const expected: Record<string, string> = {
        deviceId: 'device_id',
        name: 'name',
        sceneMode: 'scene_mode',
        targetCardId: 'target_card_id',
        enabled: 'enabled',
        startTime: 'start_time',
        endTime: 'end_time',
        weekdays: 'weekdays',
        countryCode: 'country_code',
      };

      for (const [prop, dbCol] of Object.entries(expected)) {
        const col = columns.find(c => c.propertyName === prop);
        expect(col).toBeDefined();
        expect(col?.options.name || col?.propertyName).toBe(dbCol);
      }
    });

    it('deviceId / startTime / endTime / weekdays / countryCode 必须可空', () => {
      const columns = metadata.columns.filter(c => c.target === NfcRuleEntity);
      for (const prop of [
        'deviceId',
        'startTime',
        'endTime',
        'weekdays',
        'countryCode',
      ] as const) {
        const col = columns.find(c => c.propertyName === prop);
        expect(col).toBeDefined();
        expect(col?.options.nullable).toBe(true);
      }
    });

    it('startTime / endTime 为 varchar，countryCode 长度为 8，weekdays 使用 transformerJson', () => {
      const columns = metadata.columns.filter(c => c.target === NfcRuleEntity);
      const startCol = columns.find(c => c.propertyName === 'startTime');
      const endCol = columns.find(c => c.propertyName === 'endTime');
      const countryCol = columns.find(c => c.propertyName === 'countryCode');
      const weekdaysCol = columns.find(c => c.propertyName === 'weekdays');

      expect(startCol?.options.type).toBe('varchar');
      expect(endCol?.options.type).toBe('varchar');
      expect(countryCol?.options.length).toBe(8);
      expect(weekdaysCol?.options.transformer).toBe(transformerJson);
    });
  });

  describe('2. Service resolveScene 时段 / 星期 / 优先级', () => {
    it('10:00 周一应命中 business 展会名片', async () => {
      const now = mondayAt10();
      expect(now.getDay()).toBe(1);
      expect(now.getHours()).toBe(10);

      const service = createService(seedPrdRules());
      const hit = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now,
      });

      expect(hit).toEqual({
        targetCardId: 101,
        sceneMode: 'business',
      });
    });

    it('22:00 周六应命中 social 社交名片（含跨午夜）', async () => {
      const now = saturdayAt22();
      expect(now.getDay()).toBe(6);
      expect(now.getHours()).toBe(22);

      const service = createService(seedPrdRules());
      const hit = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now,
      });

      expect(hit).toEqual({
        targetCardId: 202,
        sceneMode: 'social',
      });
    });

    it('设备级规则应覆盖同条件租户级规则', async () => {
      const service = createService([
        ...seedPrdRules(),
        {
          id: 3,
          tenantId: 10,
          deviceId: 88,
          name: '设备专属社交',
          sceneMode: 'social',
          targetCardId: 303,
          enabled: true,
          startTime: '09:00',
          endTime: '18:00',
          weekdays: [1, 2, 3, 4, 5],
          countryCode: null,
        },
      ]);

      const hit = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now: mondayAt10(),
      });

      expect(hit).toEqual({
        targetCardId: 303,
        sceneMode: 'social',
      });

      const otherDevice = await service.resolveScene({
        deviceId: 99,
        tenantId: 10,
        now: mondayAt10(),
      });
      expect(otherDevice).toEqual({
        targetCardId: 101,
        sceneMode: 'business',
      });
    });

    it('应按国家 AE 路由且不区分大小写', async () => {
      const service = createService([
        ...seedPrdRules(),
        {
          id: 4,
          tenantId: 10,
          deviceId: null,
          name: '阿联酋展会',
          sceneMode: 'business',
          targetCardId: 404,
          enabled: true,
          startTime: null,
          endTime: null,
          weekdays: null,
          countryCode: 'AE',
        },
      ]);

      const ae = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now: mondayAt10(),
        countryCode: 'ae',
      });
      expect(ae).toEqual({
        targetCardId: 404,
        sceneMode: 'business',
      });

      const us = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now: mondayAt10(),
        countryCode: 'US',
      });
      expect(us).toEqual({
        targetCardId: 101,
        sceneMode: 'business',
      });
    });

    it('禁用规则不命中', async () => {
      const service = createService([
        {
          id: 5,
          tenantId: 10,
          deviceId: null,
          name: '已停用展会',
          sceneMode: 'business',
          targetCardId: 505,
          enabled: false,
          startTime: '09:00',
          endTime: '18:00',
          weekdays: [1, 2, 3, 4, 5],
          countryCode: null,
        },
      ]);

      const hit = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now: mondayAt10(),
      });
      expect(hit).toBeNull();
    });

    it('resolveScene 应兼容 serviceApis 单对象入参', async () => {
      const service = createService(seedPrdRules());
      const hit = await service.resolveScene({
        deviceId: 88,
        tenantId: 10,
        now: mondayAt10(),
        countryCode: undefined,
      });
      expect(hit?.sceneMode).toBe('business');
    });
  });

  describe('3. 后台控制器 /admin/nfc/rule', () => {
    const controllerFile = path.join(
      __dirname,
      '../../../src/modules/nfc/controller/admin/rule.ts'
    );

    let meta: CoolControllerMeta;
    let option: CurdOption;

    beforeAll(async () => {
      meta = await waitCoolMeta(AdminNfcRuleController);
      option = meta.curdOption as CurdOption;
    });

    it('文件路径应符合 /admin/nfc/rule 自动路由约定', () => {
      expect(fs.existsSync(controllerFile)).toBe(true);
      expect(controllerFile.replace(/\\/g, '/')).toMatch(
        /modules\/nfc\/controller\/admin\/rule\.ts$/
      );
    });

    it('路由前缀应为 /admin/nfc/rule', () => {
      expect(meta.prefix).toBe('/admin/nfc/rule');
    });

    it('控制器应继承 BaseController 并导出 adminNfcRuleCurdOption', () => {
      expect(AdminNfcRuleController.prototype).toBeInstanceOf(BaseController);
      expect(option.entity).toBe(NfcRuleEntity);
      expect(option.service).toBe(NfcRuleService);
      expect(adminNfcRuleCurdOption.entity).toBe(NfcRuleEntity);
      expect(adminNfcRuleCurdOption.service).toBe(NfcRuleService);
    });

    it('装饰器 api 必须包含 add/delete/update/info/list/page', () => {
      expect(option.api).toEqual([
        'add',
        'delete',
        'update',
        'info',
        'list',
        'page',
      ]);
    });

    it('pageQueryOp.fieldEq 应支持 deviceId/enabled/sceneMode/countryCode', () => {
      const pageQueryOp = option.pageQueryOp as {
        fieldEq?: string[];
      };
      expect(pageQueryOp.fieldEq).toEqual(
        expect.arrayContaining([
          'a.deviceId',
          'a.enabled',
          'a.sceneMode',
          'a.countryCode',
        ])
      );
    });

    it('控制器含 resolveScene', () => {
      const methods = serviceApiMethods(option.serviceApis);
      expect(methods).toContain('resolveScene');
    });
  });
});