import { DataTypes, Model, Op, Sequelize } from 'sequelize';
import { useContextKey } from '@kevisual/context';
import { SyncOpts, User } from './user.ts';

type AddUserOpts = {
  role: string;
};
export enum OrgRole {
  admin = 'admin',
  member = 'member',
  owner = 'owner',
}
export class Org extends Model {
  declare id: string;
  declare username: string;
  declare description: string;
  declare users: { role: string; uid: string }[];
  /**
   * operateId 是真实操作者的id
   * @param user
   * @param opts
   */
  async addUser(user: User, opts?: { operateId?: string; role: string; needPermission?: boolean; isAdmin?: boolean }) {
    const hasUser = this.users.find((u) => u.uid === user.id);
    if (hasUser) {
      return;
    }
    if (user.type !== 'user') {
      throw Error('Only user can be added to org');
    }
    if (opts?.needPermission) {
      if (opts?.isAdmin) {
      } else {
        const adminUsers = this.users.filter((u) => u.role === 'admin' || u.role === 'owner');
        const adminIds = adminUsers.map((u) => u.uid);
        const hasPermission = adminIds.includes(opts.operateId);
        if (!hasPermission) {
          throw Error('No permission');
        }
      }
    }
    try {
      await user.expireOrgs();
    } catch (e) {
      console.error('expireOrgs', e);
    }
    const users = [...this.users];
    if (opts?.role === 'owner') {
      const orgOwner = users.find((u) => u.role === 'owner');
      if (opts.isAdmin) {
      } else {
        if (!opts.operateId) {
          throw Error('operateId is required');
        }
        const owner = await User.findByPk(opts?.operateId);
        if (!owner) {
          throw Error('operateId is not found');
        }
        if (orgOwner?.uid !== owner.id) {
          throw Error('No permission');
        }
      }
      if (orgOwner) {
        orgOwner.role = 'admin';
      }
      users.push({ role: 'owner', uid: user.id });
    } else {
      users.push({ role: opts?.role || 'member', uid: user.id });
    }
    await Org.update({ users }, { where: { id: this.id } });
    
  }
  /**
   * operateId 是真实操作者的id
   * @param user
   * @param opts
   */
  async removeUser(user: User, opts?: { operateId?: string; needPermission?: boolean; isAdmin?: boolean }) {
    if (opts?.needPermission) {
      if (opts?.isAdmin) {
      } else {
        const adminUsers = this.users.filter((u) => u.role === 'admin' || u.role === 'owner');
        const adminIds = adminUsers.map((u) => u.uid);
        const hasPermission = adminIds.includes(opts.operateId);
        if (!hasPermission) {
          throw Error('No permission');
        }
      }
    }
    await user.expireOrgs();
    const users = this.users.filter((u) => u.uid !== user.id || u.role === 'owner');
    await Org.update({ users }, { where: { id: this.id } });
  }
  /**
   * operateId 是真实操作者的id
   * @param user
   * @param opts
   */
  async getUsers(opts?: { operateId: string; needPermission?: boolean; isAdmin?: boolean }) {
    const usersIds = this.users.map((u) => u.uid);
    const orgUser = this.users;
    if (opts?.needPermission) {
      // 不在组织内或者不是管理员，如果需要权限，返回空
      if (opts.isAdmin) {
      } else {
        const hasPermission = usersIds.includes(opts.operateId);
        if (!hasPermission) {
          return {
            hasPermission: false,
            users: [],
          };
        }
      }
    }
    const _users = await User.findAll({
      where: {
        id: {
          [Op.in]: usersIds,
        },
      },
    });

    const users = _users.map((u) => {
      const role = orgUser.find((r) => r.uid === u.id)?.role;
      return {
        id: u.id,
        username: u.username,
        role: role,
      };
    });
    return { users };
  }
  /**
   * 检测用户是否在组织内，且角色为role
   * @param user
   * @param opts
   */
  async getInRole(userId: string, role = 'admin') {
    const user = this.users.find((u) => u.uid === userId && u.role === role);
    return !!user;
  }
}
/**
 * 组织模型，在sequelize之后初始化
 */
export const OrgInit = async (newSequelize?: any, tableName?: string, sync?: SyncOpts) => {
  const sequelize = useContextKey<Sequelize>('sequelize');
  Org.init(
    {
      id: {
        type: DataTypes.UUID,
        primaryKey: true,
        defaultValue: DataTypes.UUIDV4,
      },
      username: {
        type: DataTypes.STRING,
        allowNull: false,
        unique: true,
      },
      description: {
        type: DataTypes.STRING,
        allowNull: true,
      },
      users: {
        type: DataTypes.JSONB,
        allowNull: true,
        defaultValue: [],
      },
    },
    {
      sequelize: newSequelize || sequelize,
      modelName: tableName || 'cf_org',
      paranoid: true,
    },
  );
  if (sync) {
    await Org.sync({ alter: true, logging: false, ...sync }).catch((e) => {
      console.error('Org sync', e);
    });
    return Org;
  }
  return Org;
};
export const OrgModel = useContextKey('OrgModel', () => Org);