import { ref, watch } from 'vue'
import { defineStore } from 'pinia'
import { v4 as uuidv4 } from 'uuid'

import { store } from '../index'
import { useStorage } from '@vueuse/core'
import type { IExecuteRawResponse } from '@/api'
import { useConfigStore } from '@/stores/modules/config.ts'

export interface Agent {
  Name: string
  Profile: string
  Icon: string
  Classification: string
  apiUrl?: string
  apiKey?: string
  apiModel?: string
}

type HslColorVector = [number, number, number]

export interface IRichText {
  template: string
  data: Record<
    string,
    {
      text: string
      style?: Record<string, string>
      color?: HslColorVector
    }
  >
}

export interface TaskProcess {
  ActionType: string
  AgentName: string
  Description: string
  ID: string
  ImportantInput: string[]
}

export interface IRawStepTask {
  Id?: string
  StepName?: string
  TaskContent?: string
  InputObject_List?: string[]
  OutputObject?: string
  AgentSelection?: string[]
  Collaboration_Brief_FrontEnd: IRichText
  TaskProcess: TaskProcess[]
}

export interface IRawPlanResponse {
  'Initial Input Object'?: string[] | string
  'General Goal'?: string
  'Collaboration Process'?: IRawStepTask[]
}

const storageKey = '$agents' as const

// 清除所有以 storageKey 开头的 localStorage
function clearStorageByVersion() {
  Object.keys(localStorage)
    .filter((key) => key.startsWith(storageKey))
    .forEach((key) => localStorage.removeItem(key))
}

export const useAgentsStore = defineStore('agents', () => {
  const configStore = useConfigStore()
  const agents = useStorage<Agent[]>(`${storageKey}-repository`, [])
  function setAgents(agent: Agent[]) {
    agents.value = agent
  }

  // 任务搜索的内容
  const searchValue = useStorage<string>(`${storageKey}-search-value`, '')
  function setSearchValue(value: string) {
    searchValue.value = value
  }

  const storageVersionIdentifier = useStorage<string>(
    `${storageKey}-storage-version-identifier`,
    '',
  )
  // 监听 configStore.config.agentRepository.storageVersionIdentifier 改变
  watch(
    () => configStore.config.agentRepository.storageVersionIdentifier,
    (value) => {
      // value与storageVersionIdentifier不一致清除所有storageKey开头的localStorage
      if (value !== storageVersionIdentifier.value) {
        clearStorageByVersion()
        storageVersionIdentifier.value = value
      }
    },
    {
      immediate: true,
    },
  )

  // 当前的展示的任务流程
  const currentTask = ref<IRawStepTask>()
  function setCurrentTask(task: IRawStepTask) {
    currentTask.value = task
  }

  const agentRawPlan = ref<{ data?: IRawPlanResponse; loading?: boolean }>({ loading: false })

  function setAgentRawPlan(plan: { data?: IRawPlanResponse; loading?: boolean }) {
    if (plan.data) {
      plan.data['Collaboration Process'] = plan.data['Collaboration Process']?.map((item) => ({
        ...item,
        Id: uuidv4(),
      }))
    }
    agentRawPlan.value = {
      ...agentRawPlan.value,
      ...plan,
    }
  }

  // 执行完任务的结果
  const executePlan = ref<IExecuteRawResponse[]>([])
  function setExecutePlan(plan: IExecuteRawResponse[]) {
    executePlan.value = plan
  }

  function resetAgent() {
    agentRawPlan.value = {
      loading: false,
    }
    currentTask.value = undefined
    executePlan.value = []
  }

  // 额外的产物列表
  const additionalOutputs = ref<string[]>([])

  // 添加新产物
  function addNewOutput(outputObject: string) {
    if (!outputObject.trim()) return false

    const trimmedOutput = outputObject.trim()
    if (!additionalOutputs.value.includes(trimmedOutput)) {
      additionalOutputs.value.push(trimmedOutput)
      return true
    }
    return false
  }

  // 删除额外产物
  function removeAdditionalOutput(outputObject: string) {
    const index = additionalOutputs.value.indexOf(outputObject)
    if (index > -1) {
      additionalOutputs.value.splice(index, 1)
      return true
    }
    return false
  }

  // 清除额外产物
  function clearAdditionalOutputs() {
    additionalOutputs.value = []
  }

  return {
    agents,
    setAgents,
    searchValue,
    setSearchValue,
    currentTask,
    setCurrentTask,
    agentRawPlan,
    setAgentRawPlan,
    executePlan,
    setExecutePlan,
    resetAgent,
    additionalOutputs,
    addNewOutput,
    removeAdditionalOutput,
    clearAdditionalOutputs,
  }
})

/**
 * 用于在组件外部（如在Pinia Store 中）使用 Pinia 提供的 store 实例。
 * 官方文档解释了如何在组件外部使用 Pinia Store：
 * https://pinia.vuejs.org/core-concepts/outside-component-usage.html#using-a-store-outside-of-a-component
 */
export function useAgentsStoreHook() {
  return useAgentsStore(store)
}