#!/usr/bin/env node
// 一次性导入浙江省油价历史 (2025-2026)
// 来源: 手工整理 (省发改委公告 / 潮新闻 / 钱江晚报 / 杭州日报 / 杭州网 等)
// 用法: node --experimental-strip-types --no-warnings scripts/import-oil-history.mjs [--dry]

import path from 'node:path'
import { fileURLToPath, pathToFileURL } from 'node:url'
import 'dotenv/config'

const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
const ROOT = path.resolve(__dirname, '..')

// 接入 prisma (用 file:// URL 避免 Windows 绝对路径 import 报错)
const adapterMod = await import('@prisma/adapter-mariadb')
const clientPath = pathToFileURL(path.join(ROOT, 'generated/prisma/client.ts')).href
const { PrismaClient } = await import(clientPath)

const adapter = new adapterMod.PrismaMariaDb((() => {
  const u = new URL(process.env.DATABASE_URL)
  return {
    host: u.hostname,
    port: Number(u.port) || 3306,
    user: decodeURIComponent(u.username),
    password: decodeURIComponent(u.password),
    database: u.pathname.replace(/^\//, ''),
  }
})())
const prisma = new PrismaClient({ adapter })

// 数据: [调价日, 92, 95, 0, source]
const RAW = [
  ['2026-07-31', 7.94, 8.44, 7.62, 'manual'],
  ['2026-07-17', 7.39, 7.86, 7.06, 'manual'],
  ['2026-06-18', 7.91, 8.41, 7.59, 'manual'],
  ['2026-06-04', 8.32, 8.85, 8.02, 'manual'],
  ['2026-05-21', 8.74, 9.30, 8.45, 'manual'],
  ['2026-02-03', 6.91, 7.35, 6.56, 'manual'],
  ['2025-12-22', 6.68, 7.11, 6.32, 'manual'],
  ['2025-12-08', 6.82, 7.25, 6.46, 'manual'],
  ['2025-11-24', 6.86, null, null, 'manual'],
  ['2025-11-10', 6.92, 7.36, 6.57, 'manual'],
  ['2025-10-13', 7.03, 7.48, 6.68, 'manual'],
  ['2025-06-17', 7.15, 7.60, 6.81, 'manual'],
  ['2025-06-03', 6.94, 7.38, 6.59, 'manual'],
]

const PROVINCE = '浙江'
const FUEL_COLS = [
  { fuel: '92', idx: 1 },
  { fuel: '95', idx: 2 },
  { fuel: '0',  idx: 3 },
]

const DRY = process.argv.includes('--dry')

async function main() {
  console.log('=== 浙江省油价历史导入 ===')
  console.log('dry run:', DRY)
  console.log('')

  let inserted = 0
  let updated = 0
  let skipped = 0

  for (const row of RAW) {
    const dateStr = row[0]
    const source = row[4]
    for (const { fuel, idx } of FUEL_COLS) {
      const price = row[idx]
      if (price == null || Number.isNaN(price)) {
        console.log('[SKIP] ' + dateStr + ' ' + fuel + ': 价格为空')
        skipped++
        continue
      }
      const date = new Date(dateStr + 'T00:00:00')
      if (DRY) {
        console.log('[DRY]  ' + dateStr + ' ' + fuel + ' = ' + price + ' (source=' + source + ')')
        inserted++
        continue
      }
      try {
        await prisma.oilPriceHistory.create({
          data: { date, province: PROVINCE, fuel, price, source },
        })
        console.log('[OK]   ' + dateStr + ' ' + fuel + ' = ' + price)
        inserted++
      } catch (e) {
        if (e?.code === 'P2002') {
          try {
            await prisma.oilPriceHistory.update({
              where: { date_province_fuel: { date, province: PROVINCE, fuel } },
              data: { price, source },
            })
            console.log('[UPD]  ' + dateStr + ' ' + fuel + ' = ' + price)
            updated++
          } catch (e2) {
            console.log('[ERR]  ' + dateStr + ' ' + fuel + ': ' + e2.message)
          }
        } else {
          console.log('[ERR]  ' + dateStr + ' ' + fuel + ': ' + e.message)
        }
      }
    }
  }

  console.log('')
  console.log('=== 汇总 ===')
  console.log('插入:   ' + inserted)
  console.log('更新:   ' + updated)
  console.log('跳过:   ' + skipped)

  await prisma.$disconnect()
}

main().catch((e) => {
  console.error(e)
  process.exit(1)
})