import logger from "@egg/logger"
import _ from "lodash"
import { Logger } from "winston"

import { baseErrorCard, basePendingCard, baseSuccessCard } from "./component"

type FunctionMap = Record<
  string,
  { Xname: string; Xauthor: string; Xicon: string }
>

type CardMap = Record<string, any>

type TempMap = Record<string, string>

class LarkCard {
  protected requestId: string
  protected funcName: string
  protected functionMap: FunctionMap
  protected cardMap: CardMap
  protected tempMap: TempMap
  protected stringify: boolean
  protected logger: Logger

  /**
   * 构造函数
   * @param funcName 函数名
   * @param stringify 是否序列化为字符串
   * @param requestId 请求 ID
   * @param cardMap 卡片映射
   * @param tempMap 模板映射
   * @param functionMap 函数映射
   */
  constructor(
    funcName: string,
    stringify: boolean,
    requestId: string,
    cardMap: CardMap,
    tempMap: TempMap,
    functionMap: FunctionMap
  ) {
    this.stringify = stringify
    this.requestId = requestId
    this.funcName = funcName
    this.functionMap = functionMap
    this.cardMap = {
      success: baseSuccessCard,
      error: baseErrorCard,
      pending: basePendingCard,
      ...cardMap,
    }
    this.tempMap = tempMap
    this.logger = logger.child({ requestId })
  }

  /**
   * 设置函数名
   * @param funcName 函数名
   */
  setFunction(funcName: string) {
    this.funcName = funcName
  }

  /**
   * 设置是否序列化为字符串
   * @param stringify 是否序列化为字符串
   */
  setStringify(stringify: boolean) {
    this.stringify = stringify
  }

  /**
   * 创建一个子卡片
   * @param func 函数名
   * @param stringify 是否序列化为字符串
   * @returns 子卡片实例
   */
  child(func: string, stringify: boolean = true) {
    return new LarkCard(
      func,
      stringify,
      this.requestId,
      this.cardMap,
      this.tempMap,
      this.functionMap
    )
  }

  /**
   * 生成卡片消息
   * @param cardKey 卡片ID
   * @param variables 变量
   * @returns 卡片内容或JSON字符串
   */
  genCard(
    cardKey: keyof typeof this.cardMap,
    variables: { [key: string]: any }
  ) {
    const card = this.cardMap[cardKey]
    if (!card) {
      this.logger.error(`Card ${cardKey} not found`)
      throw new Error(`Card ${cardKey} not found`)
    }
    const finalVariables: Record<string, any> = {
      ...variables,
      requestId: this.requestId,
      ...this.functionMap[this.funcName],
    }
    this.logger.debug(
      `Card ${cardKey} final variables: ${JSON.stringify(finalVariables)}`
    )

    /**
     * 替换字符串中的变量
     * @param str 字符串
     * @returns 替换后的字符串
     */
    const replaceVariables = (str: string): string => {
      const variablePattern = /\$\{(\w+)\}/g
      const matches = str.match(variablePattern)

      if (matches && matches.length === 1 && matches[0] === str) {
        // 如果字符串中只有一个变量，且整个字符串就是这个变量
        const variableName = matches[0].slice(2, -1) // 去掉 ${ 和 }
        return finalVariables[variableName] || ""
      } else {
        // 否则只替换字符串中的变量部分
        return str.replace(variablePattern, (_, v) => finalVariables[v] || "")
      }
    }

    /**
     * 遍历并替换对象中的变量
     * @param obj 对象
     * @returns 替换后的对象
     */
    const traverseAndReplace = (obj: any): any => {
      if (_.isString(obj)) {
        return replaceVariables(obj)
      } else if (_.isArray(obj)) {
        return obj.map(traverseAndReplace)
      } else if (_.isObject(obj)) {
        return _.mapValues(obj, traverseAndReplace)
      }
      return obj
    }

    const content = traverseAndReplace(card)
    this.logger.debug(
      `Card ${cardKey} final content: ${JSON.stringify(content)}`
    )
    return this.stringify ? JSON.stringify(content) : content
  }

  /**
   * 生成成功卡片
   * @param content 卡片内容
   * @returns 成功卡片内容或JSON字符串
   */
  genSuccessCard(content: any) {
    return this.genCard("success", { content })
  }

  /**
   * 生成错误卡片
   * @param content 卡片内容
   * @returns 错误卡片内容或JSON字符串
   */
  genErrorCard(content: any) {
    return this.genCard("error", { content })
  }

  /**
   * 生成待处理卡片
   * @param content 卡片内容
   * @returns 待处理卡片内容或JSON字符串
   */
  genPendingCard(content: any) {
    return this.genCard("pending", { content })
  }

  /**
   * 生成模板卡片
   * @param tempKey 模板ID
   * @param variables 变量
   * @returns 模板卡片内容或JSON字符串
   */
  genTempCard(tempKey: string, variables: { [key: string]: any }) {
    const tempId = this.tempMap[tempKey]
    if (!tempId) {
      this.logger.error(`Temp ${tempKey} not found`)
      throw new Error(`Temp ${tempKey} not found`)
    }
    const finalVariables: Record<string, any> = {
      ...variables,
      requestId: this.requestId,
      ...this.functionMap[this.funcName],
    }
    this.logger.debug(
      `Temp ${tempKey} final variables: ${JSON.stringify(finalVariables)}`
    )
    const content = {
      type: "template",
      data: {
        config: {
          update_multi: true,
          enable_forward: false,
        },
        template_id: tempId,
        template_variable: finalVariables,
      },
    }
    this.logger.debug(
      `Temp ${tempKey} final content: ${JSON.stringify(content)}`
    )
    return this.stringify ? JSON.stringify(content) : content
  }
}

export default LarkCard