import { CustomerType, Prisma, Status } from "@prisma/client";
import {
  Body,
  Controller,
  Delete,
  Get,
  Path,
  Post,
  Put,
  Query,
  Request,
  Route,
  Security,
  Tags,
} from "tsoa";
import { RequestWithUser } from "../interfaces/user";
import prisma from "../db";
import minio from "../services/minio";
import HttpStatus from "../interfaces/http-status";
import HttpError from "../interfaces/http-error";

if (!process.env.MINIO_BUCKET) {
  throw Error("Require MinIO bucket.");
}

const MINIO_BUCKET = process.env.MINIO_BUCKET;

export type CustomerCreate = {
  status?: Status;
  customerType: CustomerType;
  customerName: string;
  customerNameEN: string;
};

export type CustomerUpdate = {
  status?: "ACTIVE" | "INACTIVE";
  customerType?: CustomerType;
  customerName?: string;
  customerNameEN?: string;
};

function imageLocation(id: string) {
  return `customer/img-${id}`;
}

@Route("api/customer")
@Tags("Customer")
@Security("keycloak")
export class CustomerController extends Controller {
  @Get()
  async list(
    @Query() query: string = "",
    @Query() page: number = 1,
    @Query() pageSize: number = 30,
  ) {
    const where = {
      OR: [{ customerName: { contains: query } }, { customerNameEN: { contains: query } }],
    } satisfies Prisma.CustomerWhereInput;

    const [result, total] = await prisma.$transaction([
      prisma.customer.findMany({
        orderBy: { createdAt: "asc" },
        where,
        take: pageSize,
        skip: (page - 1) * pageSize,
      }),
      prisma.customer.count({ where }),
    ]);

    return {
      result: await Promise.all(
        result.map(async (v) => ({
          ...v,
          imageUrl: await minio.presignedGetObject(MINIO_BUCKET, imageLocation(v.id), 12 * 60 * 60),
        })),
      ),
      page,
      pageSize,
      total,
    };
  }

  @Get("{customerId}")
  async getById(@Path() customerId: string) {
    const record = await prisma.customer.findFirst({ where: { id: customerId } });
    if (!record)
      throw new HttpError(HttpStatus.NOT_FOUND, "Customer cannot be found.", "data_not_found");
    return Object.assign(record, {
      imageUrl: await minio.presignedGetObject(
        MINIO_BUCKET,
        imageLocation(record.id),
        12 * 60 * 60,
      ),
    });
  }

  @Post()
  async create(@Request() req: RequestWithUser, @Body() body: CustomerCreate) {
    const last = await prisma.customer.findFirst({
      orderBy: { createdAt: "desc" },
      where: { customerType: body.customerType },
    });

    const code = `${body.customerType}${(+(last?.code.slice(-6) || 0) + 1).toString().padStart(6, "0")}`;

    const record = await prisma.customer.create({
      data: {
        ...body,
        code,
        createdBy: req.user.name,
        updateBy: req.user.name,
      },
    });

    this.setStatus(HttpStatus.CREATED);

    return Object.assign(record, {
      imageUrl: await minio.presignedGetObject(
        MINIO_BUCKET,
        imageLocation(record.id),
        12 * 60 * 60,
      ),
      imageUploadUrl: await minio.presignedPutObject(
        MINIO_BUCKET,
        imageLocation(record.id),
        12 * 60 * 60,
      ),
    });
  }

  @Put("{customerId}")
  async editById(
    @Path() customerId: string,
    @Request() req: RequestWithUser,
    @Body() body: CustomerUpdate,
  ) {
    const record = await prisma.customer.update({
      where: { id: customerId },
      data: {
        ...body,
        createdBy: req.user.name,
        updateBy: req.user.name,
      },
    });

    if (!record) {
      throw new HttpError(HttpStatus.NOT_FOUND, "Customer cannot be found.");
    }

    return Object.assign(record, {
      imageUrl: await minio.presignedGetObject(
        MINIO_BUCKET,
        imageLocation(record.id),
        12 * 60 * 60,
      ),
      imageUploadUrl: await minio.presignedPutObject(
        MINIO_BUCKET,
        imageLocation(record.id),
        12 * 60 * 60,
      ),
    });
  }

  @Delete("{customerId}")
  async deleteById(@Path() customerId: string) {
    const record = await prisma.customer.findFirst({ where: { id: customerId } });

    if (!record) {
      throw new HttpError(HttpStatus.NOT_FOUND, "Customer cannot be found.", "data_not_found");
    }

    if (record.status !== Status.CREATED) {
      throw new HttpError(HttpStatus.FORBIDDEN, "Customer is in used.", "data_in_used");
    }

    return await prisma.customer.delete({ where: { id: customerId } });
  }
}