import { AbstractTaskPlugin, IAccessService, IsTaskPlugin, RunStrategy, TaskInput, utils } from "@certd/pipeline";
import tencentcloud from "tencentcloud-sdk-nodejs/index";
import { K8sClient } from "@certd/plugin-util";
import dayjs from "dayjs";
import { Logger } from "log4js";

@IsTaskPlugin({
  name: "DeployCertToTencentTKEIngress",
  title: "部署到腾讯云TKE-ingress",
  desc: "需要【上传到腾讯云】作为前置任务",
  default: {
    strategy: {
      runStrategy: RunStrategy.SkipWhenSucceed,
    },
  },
})
export class DeployCertToTencentTKEIngressPlugin extends AbstractTaskPlugin {
  @TaskInput({ title: "大区", value: "ap-guangzhou", required: true })
  region!: string;

  @TaskInput({ title: "集群ID", required: true, desc: "例如：cls-6lbj1vee", request: true })
  clusterId!: string;

  @TaskInput({ title: "集群namespace", value: "default", required: true })
  namespace!: string;

  @TaskInput({ title: "证书的secret名称", required: true })
  secretName!: string | string[];

  @TaskInput({ title: "ingress名称", required: true })
  ingressName!: string | string[];

  @TaskInput({
    title: "ingress类型",
    component: {
      name: "a-select",
      options: [{ value: "qcloud" }, { value: "nginx" }],
    },
    helper: "可选 qcloud / nginx",
  })
  ingressClass!: string;

  @TaskInput({ title: "集群内网ip", helper: "如果开启了外网的话，无需设置" })
  clusterIp!: string;

  @TaskInput({ title: "集群域名", helper: "可不填，默认为:[clusterId].ccs.tencent-cloud.com" })
  clusterDomain!: string;
  @TaskInput({
    title: "腾讯云证书id",
    helper: "请选择“上传证书到腾讯云”前置任务的输出",
    component: {
      name: "pi-output-selector",
      from: "UploadCertToTencent",
    },
    required: true,
  })
  tencentCertId!: string;

  /**
   * AccessProvider的key,或者一个包含access的具体的对象
   */
  @TaskInput({
    title: "Access授权",
    helper: "access授权",
    component: {
      name: "pi-access-selector",
      type: "tencent",
    },
    required: true,
  })
  accessId!: string;

  @TaskInput({
    title: "域名证书",
    helper: "请选择前置任务输出的域名证书",
    component: {
      name: "pi-output-selector",
    },
    required: true,
  })
  cert!: any;

  logger!: Logger;
  accessService!: IAccessService;
  async onInstance() {
    this.accessService = this.ctx.accessService;
    this.logger = this.ctx.logger;
  }
  async execute(): Promise<void> {
    const accessProvider = this.accessService.getById(this.accessId);
    const tkeClient = this.getTkeClient(accessProvider, this.region);
    const kubeConfigStr = await this.getTkeKubeConfig(tkeClient, this.clusterId);

    this.logger.info("kubeconfig已成功获取");
    const k8sClient = new K8sClient(kubeConfigStr);
    if (this.clusterIp != null) {
      if (!this.clusterDomain) {
        this.clusterDomain = `${this.clusterId}.ccs.tencent-cloud.com`;
      }
      // 修改内网解析ip地址
      k8sClient.setLookup({ [this.clusterDomain]: { ip: this.clusterIp } });
    }
    const ingressType = this.ingressClass || "qcloud";
    if (ingressType === "qcloud") {
      await this.patchQcloudCertSecret({ k8sClient });
    } else {
      await this.patchNginxCertSecret({ k8sClient });
    }

    await utils.sleep(2000); // 停留2秒，等待secret部署完成
    await this.restartIngress({ k8sClient });
  }

  getTkeClient(accessProvider: any, region = "ap-guangzhou") {
    const TkeClient = tencentcloud.tke.v20180525.Client;
    const clientConfig = {
      credential: {
        secretId: accessProvider.secretId,
        secretKey: accessProvider.secretKey,
      },
      region,
      profile: {
        httpProfile: {
          endpoint: "tke.tencentcloudapi.com",
        },
      },
    };

    return new TkeClient(clientConfig);
  }

  async getTkeKubeConfig(client: any, clusterId: string) {
    // Depends on tencentcloud-sdk-nodejs version 4.0.3 or higher
    const params = {
      ClusterId: clusterId,
    };
    const ret = await client.DescribeClusterKubeconfig(params);
    this.checkRet(ret);
    this.logger.info("注意：后续操作需要在【集群->基本信息】中开启外网或内网访问,https://console.cloud.tencent.com/tke2/cluster");
    return ret.Kubeconfig;
  }

  appendTimeSuffix(name: string) {
    if (name == null) {
      name = "certd";
    }
    return name + "-" + dayjs().format("YYYYMMDD-HHmmss");
  }

  async patchQcloudCertSecret(options: { k8sClient: any }) {
    if (this.tencentCertId == null) {
      throw new Error("请先将【上传证书到腾讯云】作为前置任务");
    }
    this.logger.info("腾讯云证书ID:", this.tencentCertId);
    const certIdBase64 = Buffer.from(this.tencentCertId).toString("base64");

    const { namespace, secretName } = this;

    const body = {
      data: {
        qcloud_cert_id: certIdBase64,
      },
      metadata: {
        labels: {
          certd: this.appendTimeSuffix("certd"),
        },
      },
    };
    let secretNames: any = secretName;
    if (typeof secretName === "string") {
      secretNames = [secretName];
    }
    for (const secret of secretNames) {
      await options.k8sClient.patchSecret({ namespace, secretName: secret, body });
      this.logger.info(`CertSecret已更新:${secret}`);
    }
  }

  async patchNginxCertSecret(options: { k8sClient: any }) {
    const { k8sClient } = options;
    const { cert } = this;
    const crt = cert.crt;
    const key = cert.key;
    const crtBase64 = Buffer.from(crt).toString("base64");
    const keyBase64 = Buffer.from(key).toString("base64");

    const { namespace, secretName } = this;

    const body = {
      data: {
        "tls.crt": crtBase64,
        "tls.key": keyBase64,
      },
      metadata: {
        labels: {
          certd: this.appendTimeSuffix("certd"),
        },
      },
    };
    let secretNames = secretName;
    if (typeof secretName === "string") {
      secretNames = [secretName];
    }
    for (const secret of secretNames) {
      await k8sClient.patchSecret({ namespace, secretName: secret, body });
      this.logger.info(`CertSecret已更新:${secret}`);
    }
  }

  async restartIngress(options: { k8sClient: any }) {
    const { k8sClient } = options;
    const { namespace, ingressName } = this;

    const body = {
      metadata: {
        labels: {
          certd: this.appendTimeSuffix("certd"),
        },
      },
    };
    let ingressNames = this.ingressName;
    if (typeof ingressName === "string") {
      ingressNames = [ingressName];
    }
    for (const ingress of ingressNames) {
      await k8sClient.patchIngress({ namespace, ingressName: ingress, body });
      this.logger.info(`ingress已重启:${ingress}`);
    }
  }
  checkRet(ret: any) {
    if (!ret || ret.Error) {
      throw new Error("执行失败：" + ret.Error.Code + "," + ret.Error.Message);
    }
  }
}