#!/usr/bin/env node

import fs from 'fs'
import path from 'path'

const storeName = process.argv[2]
const storeType = process.argv[3] || 'default'

if (!storeName) {
  console.error('Usage: node scripts/generate-store.mjs StoreName [type]')
  process.exit(1)
}

const storeDir = `src/stores/modules`
const fileName = `${storeName.charAt(0).toLowerCase()}${storeName.slice(1)}.ts`

if (!fs.existsSync(storeDir)) {
  fs.mkdirSync(storeDir, { recursive: true })
}

// Store templates by type
const templates = {
  default: `/**
 * Pinia Store: ${storeName}
 * State management for ${storeName.toLowerCase()}-related data
 */

import { defineStore } from 'pinia'
import { ref, computed } from 'vue'

export const use${storeName}Store = defineStore('${fileName.replace('.ts', '')}', () => {
  // State
  const items = ref<any[]>([])
  const selectedItem = ref<any | null>(null)
  const loading = ref(false)
  const error = ref<string | null>(null)
  const filters = ref<Record<string, any>>({})

  // Computed
  const itemCount = computed(() => items.value.length)
  const filteredItems = computed(() => items.value)

  // Actions
  const fetchItems = async (limit = 100, offset = 0) => {
    loading.value = true
    error.value = null
    try {
      // TODO: Call API endpoint
      // const response = await ${fileName.replace('.ts', '')}Api.list${storeName}({ limit, offset })
      // items.value = response.data
    } catch (err) {
      error.value = (err as Error).message
    } finally {
      loading.value = false
    }
  }

  const fetchItemById = async (itemId: string) => {
    loading.value = true
    error.value = null
    try {
      // TODO: Call API endpoint
      // const response = await ${fileName.replace('.ts', '')}Api.get${storeName}(itemId)
      // selectedItem.value = response.data
    } catch (err) {
      error.value = (err as Error).message
    } finally {
      loading.value = false
    }
  }

  const createItem = async (payload: any) => {
    loading.value = true
    error.value = null
    try {
      // TODO: Call API endpoint
      // const response = await ${fileName.replace('.ts', '')}Api.create${storeName}(payload)
      // items.value.push(response.data)
      // selectedItem.value = response.data
      // return response.data
    } catch (err) {
      error.value = (err as Error).message
      throw err
    } finally {
      loading.value = false
    }
  }

  const updateItem = async (itemId: string, payload: any) => {
    loading.value = true
    error.value = null
    try {
      // TODO: Call API endpoint
      // const response = await ${fileName.replace('.ts', '')}Api.update${storeName}(itemId, payload)
      // const index = items.value.findIndex((i) => i.id === itemId)
      // if (index !== -1) items.value[index] = response.data
      // if (selectedItem.value?.id === itemId) selectedItem.value = response.data
      // return response.data
    } catch (err) {
      error.value = (err as Error).message
      throw err
    } finally {
      loading.value = false
    }
  }

  const deleteItem = async (itemId: string) => {
    loading.value = true
    error.value = null
    try {
      // TODO: Call API endpoint
      // await ${fileName.replace('.ts', '')}Api.delete${storeName}(itemId)
      // items.value = items.value.filter((i) => i.id !== itemId)
      // if (selectedItem.value?.id === itemId) selectedItem.value = null
    } catch (err) {
      error.value = (err as Error).message
      throw err
    } finally {
      loading.value = false
    }
  }

  const setFilter = (key: string, value: any) => {
    filters.value[key] = value
  }

  const clearFilters = () => {
    filters.value = {}
  }

  return {
    // State
    items,
    selectedItem,
    loading,
    error,
    filters,

    // Computed
    itemCount,
    filteredItems,

    // Actions
    fetchItems,
    fetchItemById,
    createItem,
    updateItem,
    deleteItem,
    setFilter,
    clearFilters
  }
})
`
}

const template = templates[storeType] || templates.default

const storeFile = path.join(storeDir, fileName)
if (!fs.existsSync(storeFile)) {
  fs.writeFileSync(storeFile, template)
  console.log(`✓ Created: ${storeFile}`)
} else {
  console.log(`⚠ Already exists: ${storeFile}`)
}