import { defineStore } from 'pinia'
import { consultationApi, chartApi, annotationApi } from '../utils/api'

export const useChartStore = defineStore('chart', {
  state: () => ({
    currentName: '',
    currentBirthYear: 0,
    currentBirthMonth: 0,
    currentBirthDay: 0,
    currentChart: null,
    currentRecordId: null,
    currentQuestions: '',
    records: [],
    annotations: [],
    tags: [],
    consultationMessages: []
  }),
  actions: {
    /**
     * Start consultation via backend API (US-1.1 §13 — main path only).
     * All computation is on the backend CalculatorService.
     */
    async startConsultation(name, birthday, questions) {
      const result = await consultationApi.start({ name, birthday, questions })
      const record = result.record
      this.currentRecordId = record.id
      this.currentName = record.name || name
      this.currentQuestions = questions || ''
      this.consultationMessages = result.messages || []
      // Parse backend chart data
      if (record.chartData) {
        const parsed = typeof record.chartData === 'string'
          ? JSON.parse(record.chartData) : record.chartData
        this.currentChart = parsed.positions || parsed
      }
      return result
    },

    async saveChart(name, birthday, questions) {
      const chartData = JSON.stringify(this.currentChart)
      const record = await chartApi.create({ name, birthday, chartData, questions })
      this.currentRecordId = record.id || null
      this.currentQuestions = questions || ''
      return record
    },

    async loadChart(id) {
      const record = await chartApi.detail(id)
      if (record && record.chartData) {
        this.currentChart = typeof record.chartData === 'string'
          ? JSON.parse(record.chartData) : record.chartData
        this.currentRecordId = id
      }
      return record
    },
    async fetchRecords() {
      this.records = await chartApi.list()
    },
    async fetchAnnotations(recordId) {
      this.annotations = await annotationApi.list(recordId)
    },
    async addAnnotation(recordId, position, content) {
      return await annotationApi.add({ recordId, position, content })
    },
    async fetchTags(recordId) {
      this.tags = await annotationApi.listTags(recordId)
    },
    async addTag(recordId, tag) {
      return await annotationApi.addTag({ recordId, tag })
    }
  }
})