import { Body, Controller, Get, Inject, Post, Provide, Query } from "@midwayjs/core";
import { PipelineService } from "../../../modules/pipeline/service/pipeline-service.js";
import { BaseController, Constants, PermissionException } from "@certd/lib-server";
import { StorageService } from "../../../modules/pipeline/service/storage-service.js";
import { CertReader } from "@certd/plugin-cert";
import { UserSettingsService } from "../../../modules/mine/service/user-settings-service.js";
import { UserGrantSetting } from "../../../modules/mine/service/models.js";
import { ApiTags } from "@midwayjs/swagger";
import { logger } from "@certd/basic";

@Provide()
@Controller("/api/pi/cert")
@ApiTags(["pipeline-cert"])
export class CertController extends BaseController {
  @Inject()
  pipelineService: PipelineService;
  @Inject()
  storeService: StorageService;

  @Inject()
  userSettingsService: UserSettingsService;

  @Post("/get", { description: Constants.per.authOnly, summary: "获取证书" })
  async getCert(@Query("id") id: number) {
    const { userId } = await this.getProjectUserIdRead();

    const pipleinUserId = await this.pipelineService.getPipelineUserId(id);

    if (pipleinUserId !== userId) {
      // 如果是管理员，检查用户是否有授权管理员查看
      const isAdmin = await this.isAdmin();
      if (!isAdmin) {
        throw new PermissionException();
      }
      // 是否允许管理员查看
      const setting = await this.userSettingsService.getSetting<UserGrantSetting>(pipleinUserId, null, UserGrantSetting, false);
      if (setting?.allowAdminViewCerts !== true) {
        //不允许管理员查看
        throw new PermissionException("该流水线的用户还未授权管理员查看证书，请先让用户在”设置->授权委托“中打开开关");
      }
    }
    const privateVars = await this.storeService.getPipelinePrivateVars(id);

    const certInfo = privateVars.cert;
    if (certInfo?.crt) {
      const certReader = new CertReader(certInfo);
      certInfo.detail = certReader.detail;
    }

    return this.ok(certInfo);
  }

  @Post("/readCertDetail", { description: Constants.per.authOnly, summary: "读取证书详情" })
  async readCertDetail(@Body("crt") crt: string) {
    if (!crt) {
      throw new Error("crt is required");
    }
    const certDetail = CertReader.readCertDetail(crt);
    return this.ok(certDetail);
  }

  @Get("/downloadZip", { description: Constants.per.authOnly, summary: "下载流水线证书压缩包" })
  async downloadZip(@Query("id") id: number) {
    const { userId } = await this.getProjectUserIdRead();

    const pipelineUserId = await this.pipelineService.getPipelineUserId(id);

    if (pipelineUserId !== userId) {
      const isAdmin = await this.isAdmin();
      if (!isAdmin) {
        throw new PermissionException();
      }
      const setting = await this.userSettingsService.getSetting<UserGrantSetting>(pipelineUserId, null, UserGrantSetting, false);
      if (setting?.allowAdminViewCerts !== true) {
        throw new PermissionException("该流水线的用户还未授权管理员下载证书，请先让用户在”设置->授权委托“中打开开关");
      }
    }

    const privateVars = await this.storeService.getPipelinePrivateVars(id);
    const certInfo = privateVars.cert;
    if (!certInfo?.crt) {
      throw new Error("该流水线还未生成证书，请先运行一次流水线");
    }

    const certReader = new CertReader(certInfo);
    const zipBuffer = await certReader.buildZip();
    const filename = certReader.buildZipFilename("cert");

    logger.info(`download pipeline cert zip: ${filename}, size: ${zipBuffer.length}`);

    this.ctx.attachment(filename);
    this.ctx.set("Content-Type", "application/zip");
    this.ctx.body = zipBuffer;
  }
}