// 统计模块模拟数据
// 响应字段与 /opo/totals/* 返回的 Totals(opo统计) 对象保持一致
// mock 模式下由 statistics.js 返回，页面逻辑无需区分数据来源

const REGIONS = ['青岛地区', '日照地区', '济南地区', '烟台地区', '威海地区', '潍坊地区', '临沂地区'];
const MONTHS = ['2024-01', '2024-02', '2024-03', '2024-04', '2024-05', '2024-06'];
const YEARS = ['2022', '2023', '2024'];
const ORGANS = ['全肝', '肾脏', '心脏', '肺', '胰腺', '眼角膜'];
const BLOOD_TYPES = ['A', 'B', 'O', 'AB'];
const AGE_GROUPS = ['1', '2', '3', '4'];

// 确定性伪随机，保证每次渲染数据一致
function createRand(seed) {
  let s = seed % 2147483647;
  if (s <= 0) s += 2147483646;
  return function () {
    s = (s * 16807) % 2147483647;
    return (s - 1) / 2147483646;
  };
}

// 案例趋势（月份维度）
function mockCaseTrend() {
  const r = createRand(11);
  return MONTHS.map((m) => {
    const potential = 40 + Math.round(r() * 40);
    return { donateTime: m, potentialCount: potential, completeCount: Math.round(potential * (0.6 + r() * 0.2)), totalCount: potential };
  });
}

// 案例趋势（地区维度）
function mockCaseTrendArea() {
  const r = createRand(22);
  return REGIONS.map((area) => {
    const potential = 30 + Math.round(r() * 70);
    return { area, potentialCount: potential, completeCount: Math.round(potential * (0.6 + r() * 0.2)) };
  });
}

// 案例明细（地区 x 月份）
function mockCaseTrendMoon() {
  const r = createRand(33);
  const rows = [];
  REGIONS.forEach((area) => {
    MONTHS.forEach((m) => {
      const potential = 5 + Math.round(r() * 15);
      rows.push({ area, donateTime: m, potentialCount: potential, completeCount: Math.round(potential * (0.5 + r() * 0.4)), totalCount: potential });
    });
  });
  return rows;
}

// 平均年龄
function mockCaseAvgAge() {
  return [{ avgAge: 45.6 }];
}

// 性别与血型分布
function mockCaseBloodType() {
  const r = createRand(44);
  return BLOOD_TYPES.map((boodType) => {
    const man = 20 + Math.round(r() * 30);
    const woman = 20 + Math.round(r() * 30);
    return { boodType, manCount: man, womanCount: woman, boodTypeCount: man + woman };
  });
}

// 捐献者年龄性别分布
function mockCaseSex() {
  const r = createRand(55);
  return AGE_GROUPS.map((ageGroup) => ({
    ageGroup,
    manCount: 15 + Math.round(r() * 40),
    womanCount: 15 + Math.round(r() * 40)
  }));
}

// 捐献器官统计明细（年份 x 器官 x 地区）
function mockOrgan() {
  const r = createRand(66);
  const rows = [];
  YEARS.forEach((year) => {
    ORGANS.forEach((organName) => {
      REGIONS.forEach((area) => {
        const get = 10 + Math.round(r() * 40);
        rows.push({ donateTime: year, organName, area, getCount: get, useCount: Math.round(get * (0.7 + r() * 0.25)) });
      });
    });
  });
  return rows;
}

// 器官获取/移植趋势（月份维度）
function mockOrganMoon() {
  const r = createRand(77);
  return MONTHS.map((m) => {
    const get = 50 + Math.round(r() * 60);
    return { donateTime: m, getCount: get, useCount: Math.round(get * (0.75 + r() * 0.2)) };
  });
}

// 器官类型分布
function mockOrganType() {
  const r = createRand(88);
  return ORGANS.map((organName) => {
    const get = 40 + Math.round(r() * 80);
    return { organName, getCount: get, useCount: Math.round(get * (0.75 + r() * 0.2)) };
  });
}

// 总统计（总潜在捐献案例 / 总完成捐献数）
function mockTotalsAll() {
  return [{ totalPotential: 486, totalCompletion: 327 }];
}

// 案例明细列表（trendList）
function mockTrendList() {
  const r = createRand(99);
  const NAMES = ['张三', '李四', '王五', '赵六', '陈七', '刘八', '周九'];
  const HOSPITALS = ['青岛大学附属医院', '青岛市立医院', '青岛市中心医院', '山东大学齐鲁医院(青岛)'];
  const DEATHS = ['脑外伤', '心搏骤停', '脑血管意外', '颅脑肿瘤', '缺氧性脑病'];
  const WORKFLOWS = [1, 2, 3, 4, 5, 6, 7, 99];
  return NAMES.map((name, i) => {
    const month = MONTHS[i % MONTHS.length];
    const day = String(1 + Math.floor(r() * 27)).padStart(2, '0');
    return {
      id: 1000 + i,
      caseNo: `C${month.replace('-', '')}00${i + 1}`,
      name,
      inpatientNo: `ZY${month.replace('-', '')}00${i + 1}`,
      workflow: WORKFLOWS[i % WORKFLOWS.length],
      organName: ORGANS[i % ORGANS.length],
      donatetime: `${month}-${day} 10:30`,
      deathReason: DEATHS[i % DEATHS.length],
      treatmentHospitalName: HOSPITALS[i % HOSPITALS.length]
    };
  });
}

// 器官移植总统计（数据概览）
function mockOrganTotals() {
  return [{ totalGet: 486, totalTransplant: 398, totalRecycle: 12, totalDiscard: 76 }];
}

// 捐献器官统计明细列表（器官明细详情）
function mockOrganList() {
  const r = createRand(111);
  const NAMES = ['张三', '李四', '王五', '赵六', '陈七', '刘八'];
  const HOSPITALS = ['青岛大学附属医院', '青岛市立医院', '青岛市中心医院'];
  const DOCTORS = ['李医生', '张医生', '王医生'];
  const RECIPIENTS = ['王明', '陈强', '刘伟', '赵刚'];
  const STATUS = [1, 1, 2, 3];
  return NAMES.map((name, i) => {
    const year = YEARS[i % YEARS.length];
    const month = String(1 + Math.floor(r() * 12)).padStart(2, '0');
    const st = STATUS[i % STATUS.length];
    return {
      id: 2000 + i,
      caseNo: `O${year}00${i + 1}`,
      name,
      organName: ORGANS[i % ORGANS.length],
      registerCountyName: REGIONS[i % REGIONS.length],
      donateYear: year,
      transplantstate: st,
      organGetTime: `${year}-${month}-15 10:30`,
      transplantTime: st === 1 ? `${year}-${month}-15 13:20` : '',
      notgetreason: st === 3 ? '器官质量不合格' : '',
      transplantName: st === 1 ? RECIPIENTS[i % RECIPIENTS.length] : '',
      hospitalName: HOSPITALS[i % HOSPITALS.length],
      transplantDoct: DOCTORS[i % DOCTORS.length]
    };
  });
}

const MOCK_MAP = {
  '/opo/totals/caseTrend': mockCaseTrend,
  '/opo/totals/caseTrendArea': mockCaseTrendArea,
  '/opo/totals/caseTrendMoon': mockCaseTrendMoon,
  '/opo/totals/caseAvgAge': mockCaseAvgAge,
  '/opo/totals/caseBloodType': mockCaseBloodType,
  '/opo/totals/caseSex': mockCaseSex,
  '/opo/totals/organ': mockOrgan,
  '/opo/totals/organMoon': mockOrganMoon,
  '/opo/totals/organType': mockOrganType,
  '/opo/totals/totals': mockTotalsAll,
  '/opo/totals/trendList': mockTrendList,
  '/opo/totals/organTotals': mockOrganTotals,
  '/opo/totals/organList': mockOrganList
};

export function mockTotals(url) {
  const fn = MOCK_MAP[url];
  return fn ? fn() : [];
}