import { FastifyRequest, FastifyReply, FastifyInstance } from 'fastify'
import { TeamService } from '../services/team.service'
import { CreateTeamBody, UpdateTeamBody, ListTeamQuery, TeamParams, UpdateRevenueBody } from '../dto/team.dto'
import { UserRole } from '../entities/user.entity'

export class TeamController {
  private teamService: TeamService

  constructor(app: FastifyInstance) {
    this.teamService = new TeamService(app)
  }

  async create(request: FastifyRequest<{ Body: CreateTeamBody }>, reply: FastifyReply) {
    try {
      const team = await this.teamService.create(request.body, request.user.id)
      return reply.code(201).send(team)
    } catch (error) {
      return reply.code(500).send({ message: '创建团队失败', error })
    }
  }

  async findById(request: FastifyRequest<{ Params: TeamParams }>, reply: FastifyReply) {
    try {
      const { id } = request.params
      const team = await this.teamService.findById(id)
      return reply.send(team)
    } catch (error) {
      return reply.code(404).send({ message: '团队不存在' })
    }
  }

  async findAll(request: FastifyRequest<{ Querystring: ListTeamQuery }>, reply: FastifyReply) {
    try {
      const user = request.user
      if (!user) {
        return reply.code(403).send({ message: '用户未登录' })
      }
      if (user.role === UserRole.TEAM) {
        request.query.userId = user.id
      }
      const result = await this.teamService.findAll(request.query)
      return reply.send(result)
    } catch (error) {
      return reply.code(500).send({ message: '获取团队列表失败', error })
    }
  }

  async update(request: FastifyRequest<{ Params: TeamParams; Body: UpdateTeamBody }>, reply: FastifyReply) {
    try {
      const { id } = request.params
      const updateData = { ...request.body, id }

      try {
        await this.teamService.findById(id)
      } catch (error) {
        return reply.code(404).send({ message: '团队不存在' })
      }

      const updatedTeam = await this.teamService.update(updateData)
      return reply.send(updatedTeam)
    } catch (error) {
      return reply.code(500).send({ message: '更新团队失败', error })
    }
  }

  async delete(request: FastifyRequest<{ Params: TeamParams }>, reply: FastifyReply) {
    try {
      const { id } = request.params

      try {
        await this.teamService.findById(id)
      } catch (error) {
        return reply.code(404).send({ message: '团队不存在' })
      }

      await this.teamService.delete(id)
      return reply.send({ message: '团队已删除' })
    } catch (error) {
      return reply.code(500).send({ message: '删除团队失败', error })
    }
  }

  async updateRevenue(request: FastifyRequest<{ Body: UpdateRevenueBody }>, reply: FastifyReply) {
    try {
      const { id, amount, type } = request.body

      try {
        await this.teamService.findById(id)
      } catch (error) {
        return reply.code(404).send({ message: '团队不存在' })
      }

      const updatedTeam = await this.teamService.updateRevenue(id, amount, type)
      return reply.send(updatedTeam)
    } catch (error) {
      return reply.code(500).send({ message: '更新团队收入失败', error })
    }
  }

  async getStatistics(request: FastifyRequest, reply: FastifyReply) {
    try {
      const statistics = await this.teamService.getStatistics()
      return reply.send(statistics)
    } catch (error) {
      return reply.code(500).send({ message: '获取统计数据失败', error })
    }
  }

  async getTeamStatistics(request: FastifyRequest, reply: FastifyReply) {
    try {
      const user = request.user
      if (!user) {
        return reply.code(403).send({ message: '用户未登录' })
      }
      const statistics = await this.teamService.getTeamStatistics(user.id)
      return reply.send(statistics)
    } catch (error) {
      return reply.code(500).send({ message: '获取统计数据失败', error })
    }
  }

  async getTeams(request: FastifyRequest, reply: FastifyReply) {
    try {
      const teams = await this.teamService.getTeams()
      return reply.send(teams)
    } catch (error) {
      return reply.code(500).send({ message: '获取团队失败', error })
    }
  }

  async findByUserId(request: FastifyRequest, reply: FastifyReply) {
    try {
      const user = request.user
      if (!user) {
        return reply.code(403).send({ message: '用户未登录' })
      }
      const team = await this.teamService.findByUserId(user.id)
      return reply.send(team)
    } catch (error) {
      return reply.code(404).send({ message: '团队不存在' })
    }
  }
}