// 灵犀 · 种子数据（A1）
// 原则：
// 1) 幂等：按业务唯一键 upsert，重复执行不重复插入；已存在的密码 / 人工调整值不被覆盖；
// 2) 角色-权限点、用户-角色为种子可重建映射：先清后建（限定在种子角色 / 种子用户范围内）；
// 3) 超管、部门、示例用户口径见 prisma/SEED.md。
import { randomBytes } from 'node:crypto';
import { existsSync } from 'node:fs';
import { resolve } from 'node:path';

import { PrismaClient, type UserStatus } from '@prisma/client';
import { config as loadDotenv } from 'dotenv';

for (const file of ['.env.local', '.env']) {
  const path = resolve(process.cwd(), file);
  if (existsSync(path)) {
    loadDotenv({ path });
  }
}

const prisma = new PrismaClient();

const ENCODING = '0123456789ABCDEFGHJKMNPQRSTVWXYZ';

function ulid(): string {
  let time = Date.now();
  const timeChars = new Array<string>(10);
  for (let i = 9; i >= 0; i -= 1) {
    timeChars[i] = ENCODING[time % 32] ?? '0';
    time = Math.floor(time / 32);
  }
  const random = randomBytes(16);
  const randomChars = Array.from(random, (byte) => ENCODING[byte & 31] ?? '0');
  return `${timeChars.join('')}${randomChars.join('')}`;
}

/** 示例账号统一初始密码：lingxi2026（Argon2id，首登强制修改） */
const SEED_PASSWORD_HASH =
  '$argon2id$v=19$m=65536,p=4,t=3$Osdgg3Fz53AwcoC2kyGiGg$QVbxW7Ok/SlCNbML95go2J/6GMSfE1EG3jBTJgR4zO4';

interface SeedConfig {
  key: string;
  value: string | number | boolean;
  valueType: 'string' | 'number' | 'boolean';
  description: string;
}

const SYSTEM_CONFIGS: SeedConfig[] = [
  {
    key: 'platform.name',
    value: '灵犀',
    valueType: 'string',
    description: '平台名称（展示用）',
  },
  {
    key: 'platform.export.signed_url_ttl_seconds',
    value: 900,
    valueType: 'number',
    description: '导出产物签名 URL 有效期（秒），短时效',
  },
  {
    key: 'platform.export.archive_retention_days',
    value: 3,
    valueType: 'number',
    description: '导出打包产物默认保留天数',
  },
  {
    key: 'platform.upload.max_upload_mb',
    value: 500,
    valueType: 'number',
    description: '单文件上传上限（MB）',
  },
  {
    key: 'platform.page.default_limit',
    value: 20,
    valueType: 'number',
    description: '列表默认每页数量',
  },
  {
    key: 'platform.ai.cost_soft_limit_ratio',
    value: 0.8,
    valueType: 'number',
    description: 'AI 成本软上限触发比例',
  },
  {
    key: 'platform.ai.cost_hard_limit_ratio',
    value: 1,
    valueType: 'number',
    description: 'AI 成本硬上限触发比例（达到即拒绝新任务）',
  },
];

interface SeedDepartment {
  code: string;
  name: string;
  parentCode: string | null;
  leaderAccount: string | null;
  sortOrder: number;
}

const DEPARTMENTS: SeedDepartment[] = [
  {
    code: 'content',
    name: '内容生产中心',
    parentCode: null,
    leaderAccount: 'chen.mo',
    sortOrder: 1,
  },
  { code: 'delivery', name: '交付中心', parentCode: null, leaderAccount: 'gao.cen', sortOrder: 2 },
  {
    code: 'tech',
    name: '平台技术部',
    parentCode: null,
    leaderAccount: 'shen.zhiyuan',
    sortOrder: 3,
  },
  {
    code: 'content-g1',
    name: '素材一组',
    parentCode: 'content',
    leaderAccount: null,
    sortOrder: 1,
  },
  {
    code: 'content-g2',
    name: '素材二组',
    parentCode: 'content',
    leaderAccount: null,
    sortOrder: 2,
  },
  { code: 'content-g3', name: '设计组', parentCode: 'content', leaderAccount: null, sortOrder: 3 },
  {
    code: 'delivery-cs',
    name: '客户成功组',
    parentCode: 'delivery',
    leaderAccount: null,
    sortOrder: 1,
  },
  { code: 'tech-ai', name: 'AI 工程组', parentCode: 'tech', leaderAccount: null, sortOrder: 1 },
  { code: 'tech-ops', name: '平台运维组', parentCode: 'tech', leaderAccount: null, sortOrder: 2 },
];

interface SeedRole {
  code: string;
  name: string;
  description: string;
  isSystem: boolean;
  permissions: string[];
}

const ROLES: SeedRole[] = [
  {
    code: 'super_admin',
    name: '超级管理员',
    description: '内置角色，拥有全部权限点',
    isSystem: true,
    permissions: [
      'script:read',
      'script:write',
      'script:review',
      'material:read',
      'material:write',
      'material:render',
      'material:review',
      'asset:read',
      'asset:write',
      'delivery:read',
      'delivery:export',
      'customer:read',
      'customer:manage',
      'customer_field:approve',
      'user:view',
      'user:manage',
      'role:manage',
      'industry:manage',
      'industry:publish',
      'dict:manage',
      'form:design',
      'ai:configure',
      'system:configure',
      'audit:read',
      'audit:export',
    ] as string[],
  },
  {
    code: 'platform_admin',
    name: '平台管理员',
    description: '组织、角色与平台配置管理',
    isSystem: false,
    permissions: [
      'user:view',
      'user:manage',
      'role:manage',
      'system:configure',
      'audit:read',
      'industry:manage',
      'dict:manage',
      'form:design',
      'customer:read',
    ],
  },
  {
    code: 'material_operator',
    name: '素材运营',
    description: '素材生产、快筛、导出与归档',
    isSystem: false,
    permissions: [
      'script:read',
      'script:write',
      'material:read',
      'material:write',
      'material:render',
      'asset:read',
      'asset:write',
      'delivery:read',
    ],
  },
  {
    code: 'designer',
    name: '设计师',
    description: '素材设计与资产维护',
    isSystem: false,
    permissions: ['material:read', 'material:write', 'asset:read', 'asset:write'],
  },
  {
    code: 'copywriter',
    name: '文案策划',
    description: '脚本撰写与要素卡维护',
    isSystem: false,
    permissions: ['script:read', 'script:write'],
  },
  {
    code: 'reviewer',
    name: '审核员',
    description: '脚本与素材审核',
    isSystem: false,
    permissions: ['script:read', 'script:review', 'material:read', 'material:review'],
  },
  {
    code: 'ai_engineer',
    name: 'AI 工程师',
    description: '模型接入与生成链路维护',
    isSystem: false,
    permissions: ['material:read', 'material:render', 'system:configure'],
  },
  {
    code: 'account_owner',
    name: '客户负责人',
    description: '客户资料查看、脚本审核与交付验收',
    isSystem: false,
    permissions: ['customer:read', 'customer:manage', 'delivery:read', 'script:review'],
  },
];

interface SeedUser {
  name: string;
  account: string;
  phone: string;
  jobTitle: string;
  departmentCode: string;
  roleCodes: string[];
  status: UserStatus;
}

const USERS: SeedUser[] = [
  {
    name: '灵犀管理员',
    account: 'admin',
    phone: '13000000001',
    jobTitle: '平台管理员',
    departmentCode: 'tech',
    roleCodes: ['super_admin'],
    status: 'ACTIVE',
  },
  {
    name: '陈默',
    account: 'chen.mo',
    phone: '13866202046',
    jobTitle: '内容生产中心主管',
    departmentCode: 'content-g1',
    roleCodes: ['material_operator', 'account_owner'],
    status: 'ACTIVE',
  },
  {
    name: '林清',
    account: 'lin.qing',
    phone: '13912347712',
    jobTitle: '设计师',
    departmentCode: 'content-g3',
    roleCodes: ['designer'],
    status: 'ACTIVE',
  },
  {
    name: '周岸',
    account: 'zhou.an',
    phone: '13755205520',
    jobTitle: '文案策划',
    departmentCode: 'content-g2',
    roleCodes: ['copywriter'],
    status: 'ACTIVE',
  },
  {
    name: '赵一诺',
    account: 'zhao.yinuo',
    phone: '13633183188',
    jobTitle: '审核员',
    departmentCode: 'content-g2',
    roleCodes: ['reviewer'],
    status: 'ACTIVE',
  },
  {
    name: '高岑',
    account: 'gao.cen',
    phone: '18644024402',
    jobTitle: '交付中心主管',
    departmentCode: 'delivery-cs',
    roleCodes: ['account_owner'],
    status: 'ACTIVE',
  },
  {
    name: '苏禾',
    account: 'su.he',
    phone: '18877657765',
    jobTitle: 'AI 工程师',
    departmentCode: 'tech-ai',
    roleCodes: ['ai_engineer'],
    status: 'ACTIVE',
  },
  {
    name: '沈知远',
    account: 'shen.zhiyuan',
    phone: '13300000071',
    jobTitle: '平台技术部主管',
    departmentCode: 'tech',
    roleCodes: ['super_admin'],
    status: 'ACTIVE',
  },
  {
    name: '江岚',
    account: 'jiang.lan',
    phone: '15933203320',
    jobTitle: '平台管理员',
    departmentCode: 'tech-ops',
    roleCodes: ['platform_admin'],
    status: 'ACTIVE',
  },
  {
    name: '唐嘉',
    account: 'tang.jia',
    phone: '13566416641',
    jobTitle: '素材运营',
    departmentCode: 'content-g1',
    roleCodes: ['material_operator'],
    status: 'DISABLED',
  },
  {
    name: '何岸',
    account: 'he.an',
    phone: '18711931193',
    jobTitle: '客户负责人',
    departmentCode: 'delivery-cs',
    roleCodes: ['account_owner'],
    status: 'DISABLED',
  },
];

async function seedConfigs(): Promise<void> {
  for (const item of SYSTEM_CONFIGS) {
    await prisma.systemConfig.upsert({
      where: { configKey: item.key },
      update: {},
      create: {
        id: ulid(),
        configKey: item.key,
        configValue: item.value,
        valueType: item.valueType,
        description: item.description,
      },
    });
  }
  console.log(`[seed] system_configs 就绪：${String(SYSTEM_CONFIGS.length)} 项（幂等）`);
}

async function seedDepartments(): Promise<void> {
  for (const item of DEPARTMENTS) {
    const parent =
      item.parentCode === null
        ? null
        : await prisma.department.findUnique({ where: { code: item.parentCode } });
    await prisma.department.upsert({
      where: { code: item.code },
      update: {},
      create: {
        id: ulid(),
        code: item.code,
        name: item.name,
        parentId: parent?.id ?? null,
        sortOrder: item.sortOrder,
      },
    });
  }
  console.log(`[seed] departments 就绪：${String(DEPARTMENTS.length)} 个（幂等）`);
}

async function seedRoles(): Promise<void> {
  for (const item of ROLES) {
    const role = await prisma.role.upsert({
      where: { code: item.code },
      update: {},
      create: {
        id: ulid(),
        code: item.code,
        name: item.name,
        description: item.description,
        isSystem: item.isSystem,
        status: 'ACTIVE',
      },
    });
    await prisma.rolePermission.deleteMany({ where: { roleId: role.id } });
    await prisma.rolePermission.createMany({
      data: item.permissions.map((permissionCode) => ({ roleId: role.id, permissionCode })),
      skipDuplicates: true,
    });
  }
  console.log(`[seed] roles 就绪：${String(ROLES.length)} 个 + 权限点映射（幂等）`);
}

async function seedUsers(): Promise<void> {
  for (const item of USERS) {
    const department = await prisma.department.findUnique({ where: { code: item.departmentCode } });
    if (department === null) {
      throw new Error(`部门不存在：${item.departmentCode}`);
    }
    const user = await prisma.user.upsert({
      where: { account: item.account },
      update: {},
      create: {
        id: ulid(),
        name: item.name,
        account: item.account,
        email: `${item.account}@lingxi.cn`,
        phone: item.phone,
        passwordHash: SEED_PASSWORD_HASH,
        departmentId: department.id,
        jobTitle: item.jobTitle,
        status: item.status,
        mustChangePassword: true,
        ...(item.status === 'DISABLED' ? { disabledAt: new Date() } : {}),
      },
    });
    await prisma.userRole.deleteMany({ where: { userId: user.id } });
    for (const code of item.roleCodes) {
      const role = await prisma.role.findUnique({ where: { code } });
      if (role === null) throw new Error(`角色不存在：${code}`);
      await prisma.userRole.create({ data: { userId: user.id, roleId: role.id } });
    }
  }
  console.log(
    `[seed] users 就绪：${String(USERS.length)} 个（幂等，初始密码 lingxi2026，首登强制修改）`,
  );
}

async function seedDepartmentLeaders(): Promise<void> {
  for (const item of DEPARTMENTS) {
    if (item.leaderAccount === null) continue;
    const [department, leader] = await Promise.all([
      prisma.department.findUnique({ where: { code: item.code } }),
      prisma.user.findUnique({ where: { account: item.leaderAccount } }),
    ]);
    if (department !== null && leader !== null) {
      await prisma.department.update({
        where: { id: department.id },
        data: { leaderUserId: leader.id },
      });
    }
  }
  console.log('[seed] 部门负责人就绪（幂等）');
}

async function main(): Promise<void> {
  await seedConfigs();
  await seedDepartments();
  await seedRoles();
  await seedUsers();
  await seedDepartmentLeaders();
}

void main()
  .catch((error: unknown) => {
    console.error('[seed] 失败：', error);
    process.exitCode = 1;
  })
  .finally(async () => {
    await prisma.$disconnect();
  });