import {
  Controller,
  Get,
  Post,
  Put,
  Delete,
  Route,
  Security,
  Tags,
  Body,
  Path,
  Request,
  Example,
  SuccessResponse,
  Response,
  Query,
} from "tsoa";
import { AppDataSource } from "../database/data-source";
import HttpSuccess from "../interfaces/http-success";
import HttpError from "../interfaces/http-error";
import { Like, Not, In, Brackets } from "typeorm";
import HttpStatusCode from "../interfaces/http-status";
import { KpiLink, createKpiLink, updateKpiLink } from "../entities/kpiLink";
import { KpiGroup } from "../entities/kpiGroup";
import { KpiCapacity } from "../entities/kpiCapacity";
import { Position } from "../entities/position";
@Route("api/v1/kpi/link")
@Tags("kpiLink")
@Security("bearerAuth")
@Response(
  HttpStatusCode.INTERNAL_SERVER_ERROR,
  "เกิดข้อผิดพลาด ไม่สามารถแสดงรายการได้ กรุณาลองใหม่ในภายหลัง",
)
@SuccessResponse(HttpStatusCode.OK, "สำเร็จ")
export class kpiLinkController extends Controller {
  private kpiGroupRepository = AppDataSource.getRepository(KpiGroup);
  private kpiLinkRepository = AppDataSource.getRepository(KpiLink);
  private kpiCapacityRepository = AppDataSource.getRepository(KpiCapacity);
  private positionRepository = AppDataSource.getRepository(Position);

  /**
   * API สร้างเชื่อมโยง
   * @param requestBody
   * @returns
   */
  @Post()
  async createKpiLink(
    @Body() requestBody: createKpiLink,
    @Request() request: { user: Record<string, any> },
  ) {
    const chkkpiGroup = await this.kpiGroupRepository.findOne({
      where: {
        id: requestBody.kpiGroupId,
      },
    });
  
    if (!chkkpiGroup) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
    }
  
    const kpiLink = Object.assign(new KpiLink(), requestBody, {
      createdUserId: request.user.sub,
      createdFullName: request.user.name,
      lastUpdateUserId: request.user.sub,
      lastUpdateFullName: request.user.name,
      kpiGroup: chkkpiGroup,
    });
    await this.kpiLinkRepository.save(kpiLink);
    
    if (requestBody.positions != null) {
       Promise.all(
        requestBody.positions.map(async (positionName) => {
          let position = new Position();
          position.name = positionName;
          position.kpiLinkId = kpiLink.id;
          position.createdUserId = request.user.sub;
          position.createdFullName = request.user.name;
          position.lastUpdateUserId = request.user.sub;
          position.lastUpdateFullName = request.user.name;
          await this.positionRepository.save(position);
        }),
      );
    }

    const chkCapacity = await this.kpiCapacityRepository.find({
      where: {
        id: In(requestBody.kpiCapacityIds),
      },
    });
    if (!chkCapacity) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
    }
    kpiLink.kpiCapacitys = chkCapacity;
    
    await this.kpiLinkRepository.save(kpiLink);

    return new HttpSuccess(kpiLink.id);
  }
  

  /**
   * API แก้ไขเชื่อมโยง
   * @param id  ไอดีของเชื่อมโยง
   */
  @Put("{id}")
  async updateKpiLink(
    @Path() id: string,
    @Body() requestBody: createKpiLink,
    @Request() request: { user: Record<string, any> },
  ) {
    const chkKpiLink = await this.kpiLinkRepository.findOne({
      where: {
        id: id,
      },
      relations: {
        positions: true,
        kpiCapacitys: true,
      },
    })
    if (!chkKpiLink) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
    }

    await this.positionRepository.remove(chkKpiLink.positions);
    Object.assign(chkKpiLink, {
      ...requestBody,
      positions: [],
      kpiCapacitys: [],
    });
    chkKpiLink.kpiGroupId = requestBody.kpiGroupId,
    chkKpiLink.lastUpdateUserId = request.user.sub;
    chkKpiLink.lastUpdateFullName = request.user.name;
    
    if (requestBody.positions != null) {
      Promise.all(
       requestBody.positions.map(async (positionName) => {
         let position = new Position();
         position.name = positionName;
         position.kpiLinkId = chkKpiLink.id;
         position.createdUserId = request.user.sub;
         position.createdFullName = request.user.name;
         position.lastUpdateUserId = request.user.sub;
         position.lastUpdateFullName = request.user.name;
         await this.positionRepository.save(position);
       }),
     );
  }

    const chkCapacity = await this.kpiCapacityRepository.find({
      where: {
        id: In(requestBody.kpiCapacityIds),
      },
    });
    if (!chkCapacity) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
    }
    chkKpiLink.kpiCapacitys = chkCapacity;
    
    await this.kpiLinkRepository.save(chkKpiLink);

    return new HttpSuccess(chkKpiLink.id);
  }

  /**
   * API เชื่อมโยง
   * @param id
   */
  @Get("{id}")
  async KpiLinkById(@Path() id: string) {
    const kpiLink = await this.kpiLinkRepository.findOne({
      where: { id: id },
      relations:["positions","kpiCapacitys","kpiGroup"],
      order:{
        createdAt: "ASC"
      }
    });
    if (!kpiLink) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
    }
    const formattedResponse = {
      id: kpiLink.id, 
      groupName: kpiLink.kpiGroup.nameGroupKPI,
      positions: kpiLink.positions.map(position => ({
         id: position.id,
         name: position.name
        })), 
      capacitys: kpiLink.kpiCapacitys.map(capacity => ({ 
        id: capacity.id ,
        name: capacity.name,
        type: capacity.type,
        description: capacity.description
      })) 
    };
    return new HttpSuccess(formattedResponse);
  }

  // /**
  //  * API ลบเชื่อมโยง
  //  * @param id
  //  */
  // @Delete("{id}")
  // async deleteKpiLink(@Path() id: string) {
  //   const kpiLink = await this.kpiLinkRepository.findOne({
  //     where: { id: id },
  //   });
  //   if (!kpiLink) {
  //     throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
  //   }

  //   await this.kpiLinkRepository.remove(kpiLink);
  //   return new HttpSuccess();
  // }

  /**
   * API list เชื่อมโยง
   * @param page
   * @param pageSize
   */
  @Get()
  async listKpiLink(
    @Query("page") page: number = 1,
    @Query("pageSize") pageSize: number = 10,
    @Query("keyword") keyword?: string,
  ) {
    const [kpiLink , total] = await AppDataSource.getRepository(KpiLink)
     .createQueryBuilder("kpiLink")
     .leftJoinAndSelect("kpiLink.kpiGroup", "kpiGroup")
     .leftJoinAndSelect("kpiLink.positions", "positions")
     .leftJoinAndSelect("kpiLink.kpiCapacitys", "kpiCapacitys")
     .andWhere(
      new Brackets((qb) => {
        qb.where(
            keyword != null && keyword != ""
              ? "kpiGroup.nameGroupKPI LIKE :keyword"
              : "1=1",
            {
              keyword: `%${keyword}%`,
            },
          )
          .orWhere(
            keyword != null && keyword != ""
              ? "positions.name LIKE :keyword"
              : "1=1",
            {
              keyword: `%${keyword}%`,
            },
          )
          .orWhere(
            keyword != null && keyword != ""
              ? "kpiCapacitys.name LIKE :keyword"
              : "1=1",
            {
              keyword: `%${keyword}%`,
            },
          )
      }),
    )
     .skip((page - 1) * pageSize)
     .take(pageSize)
     .getManyAndCount();
     
    if (!kpiLink) {
      throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลการเชื่อมโยง");
    }
    const formattedResponse = kpiLink.map((item) => ({
      id: item.id, 
      groupName: item.kpiGroup.nameGroupKPI,
      positions: item.positions.map(position => ({
         id: position.id,
         name: position.name
        })), 
      capacitys: item.kpiCapacitys.map(capacity => ({ 
        id: capacity.id ,
        name: capacity.name,
        type: capacity.type,
        description: capacity.description
      })) 
    }));
    return new HttpSuccess({ data: formattedResponse, total });
  }
}