import { defineStore } from 'pinia'

import { uniStorage } from '@/utils/uniStorage'

export interface SettlementSignContext {
  signTraceId: string
  subjectLocation: string
  createdAt: number
}

interface SettlementSignState {
  context?: SettlementSignContext
}

const SIGN_CONTEXT_EXPIRE_TIME = 30 * 60 * 1000

const createSignTraceId = (subjectLocation: string): string => {
  return `${Date.now()}_${subjectLocation}`
}

export const useSettlementSignStore = defineStore('settlementSign', {
  state: (): SettlementSignState => ({
    context: undefined,
  }),

  getters: {
    validContext(state): SettlementSignContext | undefined {
      if (!state.context?.subjectLocation) return undefined

      const isExpired = Date.now() - state.context.createdAt > SIGN_CONTEXT_EXPIRE_TIME

      if (isExpired) return undefined

      return state.context
    },

    pendingSubjectLocation(): string {
      return this.validContext?.subjectLocation || ''
    },
  },

  actions: {
    createContext(subjectLocation: string): SettlementSignContext {
      const context: SettlementSignContext = {
        signTraceId: createSignTraceId(subjectLocation),
        subjectLocation,
        createdAt: Date.now(),
      }

      this.context = context

      return context
    },

    clearContext(): void {
      this.context = undefined
    },
  },

  persist: {
    key: 'settlement-sign-store',
    storage: uniStorage,
    pick: ['context'],
  },
})