import { IsTaskPlugin, pluginGroups, RunStrategy, Step, TaskInput, TaskOutput } from "@certd/pipeline";
import type { CertInfo } from "../acme.js";
import { CertReader } from "../cert-reader.js";
import { CertApplyBaseConvertPlugin } from "../base-convert.js";
import dayjs from "dayjs";

export { CertReader };
export type { CertInfo };

@IsTaskPlugin({
  name: "CertApplyUpload",
  icon: "ph:certificate",
  title: "商用证书托管",
  group: pluginGroups.cert.key,
  desc: "手动上传自定义证书后，自动部署（每次证书有更新，都需要手动上传一次）",
  default: {
    strategy: {
      runStrategy: RunStrategy.AlwaysRun,
    },
  },
  shortcut: {
    certUpdate: {
      title: "更新证书",
      icon: "ion:upload",
      action: "onCertUpdate",
      form: {
        columns: {
          crt: {
            title: "证书",
            type: "text",
            form: {
              component: {
                name: "pem-input",
                vModel: "modelValue",
                textarea: {
                  rows: 4,
                  placeholder: "-----BEGIN CERTIFICATE-----\n...\n...\n-----END CERTIFICATE-----",
                },
              },
              rules: [{ required: true, message: "此项必填" }],
              col: { span: 24 },
            },
          },
          key: {
            title: "私钥",
            type: "text",
            form: {
              component: {
                name: "pem-input",
                vModel: "modelValue",
                textarea: {
                  rows: 4,
                  placeholder: "-----BEGIN PRIVATE KEY-----\n...\n...\n-----END PRIVATE KEY----- ",
                },
              },
              rules: [{ required: true, message: "此项必填" }],
              col: { span: 24 },
            },
          },
        },
      },
    },
  },
})
export class CertApplyUploadPlugin extends CertApplyBaseConvertPlugin {
  @TaskInput({
    title: "过期前提醒",
    value: 10,
    component: {
      name: "a-input-number",
      vModel: "value",
    },
    required: true,
    order: 100,
    helper: "到期前多少天提醒",
  })
  renewDays!: number;

  @TaskInput({
    title: "手动上传证书",
    component: {
      name: "cert-info-updater",
      vModel: "modelValue",
    },
    helper: "手动上传证书",
    order: -9999,
    required: true,
    mergeScript: `
    return {
      component:{
        on:{
          updated(scope){
            scope.form.input.domains = scope.$event?.domains
          }
        }
      }
    }
    `,
  })
  uploadCert!: CertInfo;

  @TaskOutput({
    title: "证书MD5",
    type: "certMd5",
  })
  certMd5?: string;

  async onInstance() {
    this.accessService = this.ctx.accessService;
    this.logger = this.ctx.logger;
    this.userContext = this.ctx.userContext;
    this.lastStatus = this.ctx.lastStatus as Step;
  }

  async onInit(): Promise<void> {}

  async getCertFromStore() {
    let certReader = null;
    try {
      this.logger.info("读取上次证书");
      certReader = await this.readLastCert();
    } catch (e) {
      this.logger.warn("读取cert失败：", e);
    }
    return certReader;
  }

  private checkExpires(certReader: CertReader) {
    const renewDays = (this.renewDays ?? 10) * 24 * 60 * 60 * 1000;
    if (certReader.expires) {
      if (certReader.expires < new Date().getTime()) {
        throw new Error("证书已过期，停止部署，请尽快上传新证书");
      }
      if (certReader.expires < new Date().getTime() + renewDays) {
        throw new Error("证书即将已过期，停止部署，请尽快上传新证书");
      }
    }
  }

  async execute(): Promise<string | void> {
    const oldCertReader = await this.getCertFromStore();
    if (oldCertReader) {
      const leftDays = dayjs(oldCertReader.expires).diff(dayjs(), "day");
      this.logger.info(`证书过期时间${dayjs(oldCertReader.expires).format("YYYY-MM-DD HH:mm:ss")},剩余${leftDays}天`);
      this.checkExpires(oldCertReader);
      if (!this.ctx.inputChanged) {
        this.logger.info("输入参数无变化");
        const lastCrtMd5 = this.lastStatus?.status?.output?.certMd5;
        const newCrtMd5 = this.ctx.utils.hash.md5(this.uploadCert.crt);
        this.logger.info("证书MD5", newCrtMd5);
        this.logger.info("上次证书MD5", lastCrtMd5);
        if (lastCrtMd5 === newCrtMd5) {
          this.logger.info("证书无变化，跳过");
          //输出证书MD5
          this.certMd5 = newCrtMd5;
          await this.output(oldCertReader, false);
          return "skip";
        }
        this.logger.info("证书有变化，重新部署");
      } else {
        this.logger.info("输入参数有变化，重新部署");
      }
    }

    const newCertReader = new CertReader(this.uploadCert);
    this.clearLastStatus();
    //输出证书MD5
    this.certMd5 = this.ctx.utils.hash.md5(newCertReader.cert.crt);
    const newLeftDays = dayjs(newCertReader.expires).diff(dayjs(), "day");
    this.logger.info(`新证书过期时间${dayjs(newCertReader.expires).format("YYYY-MM-DD HH:mm:ss")},剩余${newLeftDays}天`);
    this.checkExpires(newCertReader);
    await this.output(newCertReader, true);

    //必须output之后执行
    await this.emitCertApplySuccess();
    return;
  }

  async onCertUpdate(data: any) {
    const certReader = new CertReader(data);
    return {
      input: {
        uploadCert: {
          crt: data.crt,
          key: data.key,
        },
        domains: certReader.getAllDomains(),
      },
    };
  }
}

new CertApplyUploadPlugin();