// src/stores/OrderProductionItemStore.js
import { defineStore } from 'pinia'
import api from 'src/services/api'

export const useOrderProductionItemStore = defineStore('orderproductionitems', {
  state: () => ({
    items: [],
    header: null,
    products: [],
    colorOptionsByCode: {},
    secondColorOptionsByKey: {},
    loading: false,
    saving: false,
    error: null
  }),

  actions: {
    async fetchHeader (orderHeaderID) {
      if (!orderHeaderID) {
        this.header = null
        return
      }

      this.loading = true
      this.error = null

      try {
        const res = await api.get(`/order/get/${encodeURIComponent(orderHeaderID)}`)
        this.header = res?.data?.header || null
      } catch (err) {
        this.header = null
        this.error = err?.response?.data || err?.message || 'Siparis bilgisi alinamadi'
      } finally {
        this.loading = false
      }
    },
    async fetchItems (orderHeaderID) {
      if (!orderHeaderID) {
        this.items = []
        return
      }

      this.loading = true
      this.error = null

      try {
        const res = await api.get(`/orders/production-items/${encodeURIComponent(orderHeaderID)}`)
        const data = res?.data
        this.items = Array.isArray(data) ? data : []
      } catch (err) {
        this.items = []
        this.error = err?.response?.data || err?.message || 'Liste alinamadi'
      } finally {
        this.loading = false
      }
    },
    async fetchProducts () {
      this.error = null
      try {
        const res = await api.get('/products')
        const data = res?.data
        this.products = Array.isArray(data) ? data : []
      } catch (err) {
        this.products = []
        this.error = err?.response?.data || err?.message || 'Urun listesi alinamadi'
      }
    },
    async fetchColors (productCode) {
      const code = String(productCode || '').trim()
      if (!code) return []

      if (this.colorOptionsByCode[code]) {
        return this.colorOptionsByCode[code]
      }

      try {
        const res = await api.get('/product-colors', { params: { code } })
        const data = res?.data
        const list = Array.isArray(data) ? data : []
        this.colorOptionsByCode[code] = list
        return list
      } catch (err) {
        this.error = err?.response?.data || err?.message || 'Renk listesi alinamadi'
        return []
      }
    },
    async fetchSecondColors (productCode, colorCode) {
      const code = String(productCode || '').trim()
      const color = String(colorCode || '').trim()
      if (!code || !color) return []

      const key = `${code}::${color}`
      if (this.secondColorOptionsByKey[key]) {
        return this.secondColorOptionsByKey[key]
      }

      try {
        const res = await api.get('/product-secondcolor', { params: { code, color } })
        const data = res?.data
        const list = Array.isArray(data) ? data : []
        this.secondColorOptionsByKey[key] = list
        return list
      } catch (err) {
        this.error = err?.response?.data || err?.message || '2. renk listesi alinamadi'
        return []
      }
    },
    async validateUpdates (orderHeaderID, lines) {
      if (!orderHeaderID) return { missingCount: 0, missing: [] }

      this.saving = true
      this.error = null

      try {
        const res = await api.post(
          `/orders/production-items/${encodeURIComponent(orderHeaderID)}/validate`,
          { lines }
        )
        return res?.data || { missingCount: 0, missing: [] }
      } catch (err) {
        this.error = err?.response?.data || err?.message || 'Kontrol basarisiz'
        throw err
      } finally {
        this.saving = false
      }
    },
    async applyUpdates (orderHeaderID, lines, insertMissing) {
      if (!orderHeaderID) return { updated: 0, inserted: 0 }

      this.saving = true
      this.error = null

      try {
        const res = await api.post(
          `/orders/production-items/${encodeURIComponent(orderHeaderID)}/apply`,
          { lines, insertMissing }
        )
        return res?.data || { updated: 0, inserted: 0 }
      } catch (err) {
        this.error = err?.response?.data || err?.message || 'Guncelleme basarisiz'
        throw err
      } finally {
        this.saving = false
      }
    }
  }
})