/**
 * 批量用户卖出模拟脚本
 *
 * 功能:
 * 1. 读取测试账户的 YT 余额
 * 2. 批量执行 withdrawYT 卖出交易（进入排队）
 * 3. 可选：管理员批量处理队列
 *
 * 使用方法:
 * npx tsx scripts/batch-sell-simulation.ts
 */

import {
  createPublicClient,
  createWalletClient,
  http,
  parseUnits,
  formatUnits,
  type Address,
  type Hex
} from 'viem'
import { arbitrumSepolia } from 'viem/chains'
import { privateKeyToAccount, mnemonicToAccount } from 'viem/accounts'

// ============ 配置 ============

const CONTRACTS = {
  WUSD: '0x6d2bf81a631dFE19B2f348aE92cF6Ef41ca2DF98' as Address,
  FACTORY: '0x982716f32F10BCB5B5944c1473a8992354bF632b' as Address,
  VAULTS: {
    YT_A: '0x0cA35994F033685E7a57ef9bc5d00dd3cf927330' as Address,
    YT_B: '0x333805C9EE75f59Aa2Cc79DfDe2499F920c7b408' as Address,
    YT_C: '0x6DF0ED6f0345F601A206974973dE9fC970598587' as Address,
  }
}

const CONFIG = {
  // 主账户私钥 (Owner，用于处理队列)
  MAIN_PRIVATE_KEY: '0xa082a7037105ebd606bee80906687e400d89899bbb6ba0273a61528c2f5fab89' as Hex,

  // HD 钱包助记词 (与买入脚本相同)
  TEST_MNEMONIC: 'test test test test test test test test test test test junk',

  // 模拟用户数量
  USER_COUNT: 10,

  // 卖出比例 (0.5 = 卖出 50% 的 YT)
  SELL_RATIO: 0.5,

  // 目标金库
  TARGET_VAULT: CONTRACTS.VAULTS.YT_A,

  // 交易间隔 (毫秒)
  TX_INTERVAL: 2000,

  // 是否自动处理队列
  AUTO_PROCESS_QUEUE: true,

  // 批量处理大小
  BATCH_PROCESS_SIZE: 10,

  // RPC URL
  RPC_URL: 'https://sepolia-rollup.arbitrum.io/rpc',
}

// ============ ABI ============

const VAULT_ABI = [
  {
    inputs: [{ name: '_ytAmount', type: 'uint256' }],
    name: 'withdrawYT',
    outputs: [],
    stateMutability: 'nonpayable',
    type: 'function',
  },
  {
    inputs: [{ name: '_ytAmount', type: 'uint256' }],
    name: 'previewSell',
    outputs: [{ type: 'uint256' }],
    stateMutability: 'view',
    type: 'function',
  },
  {
    inputs: [{ name: 'account', type: 'address' }],
    name: 'balanceOf',
    outputs: [{ type: 'uint256' }],
    stateMutability: 'view',
    type: 'function',
  },
  {
    inputs: [],
    name: 'symbol',
    outputs: [{ type: 'string' }],
    stateMutability: 'view',
    type: 'function',
  },
  {
    inputs: [],
    name: 'canRedeemNow',
    outputs: [{ type: 'bool' }],
    stateMutability: 'view',
    type: 'function',
  },
  {
    inputs: [],
    name: 'getQueueProgress',
    outputs: [
      { name: 'currentIndex', type: 'uint256' },
      { name: 'totalRequests', type: 'uint256' },
      { name: 'pendingCount', type: 'uint256' },
    ],
    stateMutability: 'view',
    type: 'function',
  },
  {
    inputs: [{ name: '_batchSize', type: 'uint256' }],
    name: 'processBatchWithdrawals',
    outputs: [],
    stateMutability: 'nonpayable',
    type: 'function',
  },
] as const

// ============ 工具函数 ============

function sleep(ms: number): Promise<void> {
  return new Promise(resolve => setTimeout(resolve, ms))
}

// ============ 主逻辑 ============

async function main() {
  console.log('🚀 批量用户卖出模拟开始\n')

  const publicClient = createPublicClient({
    chain: arbitrumSepolia,
    transport: http(CONFIG.RPC_URL),
  })

  // 主账户 (Owner)
  const mainAccount = privateKeyToAccount(CONFIG.MAIN_PRIVATE_KEY)
  const mainWalletClient = createWalletClient({
    account: mainAccount,
    chain: arbitrumSepolia,
    transport: http(CONFIG.RPC_URL),
  })

  console.log(`📍 Owner 账户: ${mainAccount.address}`)

  // 获取金库信息
  const vaultSymbol = await publicClient.readContract({
    address: CONFIG.TARGET_VAULT,
    abi: VAULT_ABI,
    functionName: 'symbol',
  })
  console.log(`🏦 目标金库: ${vaultSymbol} (${CONFIG.TARGET_VAULT})`)

  // 检查赎回状态
  const canRedeem = await publicClient.readContract({
    address: CONFIG.TARGET_VAULT,
    abi: VAULT_ABI,
    functionName: 'canRedeemNow',
  })
  console.log(`📅 赎回状态: ${canRedeem ? '✅ 可赎回' : '❌ 锁定中'}`)

  if (!canRedeem) {
    console.error('\n⚠️  当前不在赎回期，无法执行卖出操作')
    console.log('请先通过管理员设置赎回时间: setVaultNextRedemptionTime')
    return
  }

  // 获取队列状态
  const queueProgress = await publicClient.readContract({
    address: CONFIG.TARGET_VAULT,
    abi: VAULT_ABI,
    functionName: 'getQueueProgress',
  })
  console.log(`📋 队列状态: 已处理 ${queueProgress[0]}, 总请求 ${queueProgress[1]}, 待处理 ${queueProgress[2]}`)

  // 获取测试账户
  console.log(`\n👥 检查 ${CONFIG.USER_COUNT} 个测试账户的 YT 余额...\n`)

  const testAccounts = []
  for (let i = 0; i < CONFIG.USER_COUNT; i++) {
    const account = mnemonicToAccount(CONFIG.TEST_MNEMONIC, { addressIndex: i })

    const ytBalance = await publicClient.readContract({
      address: CONFIG.TARGET_VAULT,
      abi: VAULT_ABI,
      functionName: 'balanceOf',
      args: [account.address],
    })

    if (ytBalance > 0n) {
      const sellAmount = (ytBalance * BigInt(Math.floor(CONFIG.SELL_RATIO * 100))) / 100n
      testAccounts.push({ account, ytBalance, sellAmount })
      console.log(`  账户 ${i + 1}: ${account.address} | YT余额: ${formatUnits(ytBalance, 18)} | 计划卖出: ${formatUnits(sellAmount, 18)}`)
    } else {
      console.log(`  账户 ${i + 1}: ${account.address} | YT余额: 0 (跳过)`)
    }
  }

  if (testAccounts.length === 0) {
    console.log('\n⚠️  没有账户有 YT 余额，请先运行 npm run sim:buy')
    return
  }

  // 执行卖出
  console.log('\n💸 步骤 1: 执行批量卖出 (进入排队)...\n')

  const results: { address: string; sellAmount: string; expectedWusd: string; status: string; hash?: string }[] = []

  for (let i = 0; i < testAccounts.length; i++) {
    const { account, sellAmount } = testAccounts[i]

    console.log(`\n[${i + 1}/${testAccounts.length}] 账户: ${account.address}`)
    console.log(`  卖出金额: ${formatUnits(sellAmount, 18)} ${vaultSymbol}`)

    const walletClient = createWalletClient({
      account,
      chain: arbitrumSepolia,
      transport: http(CONFIG.RPC_URL),
    })

    try {
      // 预览卖出
      const previewWusd = await publicClient.readContract({
        address: CONFIG.TARGET_VAULT,
        abi: VAULT_ABI,
        functionName: 'previewSell',
        args: [sellAmount],
      })
      console.log(`  预计获得: ${formatUnits(previewWusd, 18)} WUSD`)

      // 执行卖出 (进入队列)
      console.log(`  → 提交卖出请求...`)
      const sellHash = await walletClient.writeContract({
        address: CONFIG.TARGET_VAULT,
        abi: VAULT_ABI,
        functionName: 'withdrawYT',
        args: [sellAmount],
      })
      await publicClient.waitForTransactionReceipt({ hash: sellHash })

      console.log(`  ✓ 请求已进入队列`)
      console.log(`    交易哈希: ${sellHash}`)

      results.push({
        address: account.address,
        sellAmount: formatUnits(sellAmount, 18),
        expectedWusd: formatUnits(previewWusd, 18),
        status: 'queued',
        hash: sellHash,
      })

    } catch (error: any) {
      console.error(`  ✗ 卖出失败: ${error.message}`)
      results.push({
        address: account.address,
        sellAmount: formatUnits(sellAmount, 18),
        expectedWusd: '0',
        status: 'failed',
      })
    }

    if (i < testAccounts.length - 1) {
      console.log(`  ⏳ 等待 ${CONFIG.TX_INTERVAL / 1000} 秒...`)
      await sleep(CONFIG.TX_INTERVAL)
    }
  }

  // 获取更新后的队列状态
  const newQueueProgress = await publicClient.readContract({
    address: CONFIG.TARGET_VAULT,
    abi: VAULT_ABI,
    functionName: 'getQueueProgress',
  })
  console.log(`\n📋 更新后队列状态: 已处理 ${newQueueProgress[0]}, 总请求 ${newQueueProgress[1]}, 待处理 ${newQueueProgress[2]}`)

  // 处理队列 (如果启用)
  if (CONFIG.AUTO_PROCESS_QUEUE && newQueueProgress[2] > 0n) {
    console.log('\n⚙️  步骤 2: 管理员批量处理队列...\n')

    const pendingCount = Number(newQueueProgress[2])
    const batches = Math.ceil(pendingCount / CONFIG.BATCH_PROCESS_SIZE)

    for (let batch = 0; batch < batches; batch++) {
      const batchSize = Math.min(CONFIG.BATCH_PROCESS_SIZE, pendingCount - batch * CONFIG.BATCH_PROCESS_SIZE)
      console.log(`  处理批次 ${batch + 1}/${batches} (${batchSize} 笔)...`)

      try {
        const processHash = await mainWalletClient.writeContract({
          address: CONFIG.TARGET_VAULT,
          abi: VAULT_ABI,
          functionName: 'processBatchWithdrawals',
          args: [BigInt(batchSize)],
        })
        await publicClient.waitForTransactionReceipt({ hash: processHash })
        console.log(`    ✓ 批次处理完成: ${processHash}`)
      } catch (error: any) {
        console.error(`    ✗ 处理失败: ${error.message}`)
        break
      }

      await sleep(2000)
    }

    // 最终队列状态
    const finalQueue = await publicClient.readContract({
      address: CONFIG.TARGET_VAULT,
      abi: VAULT_ABI,
      functionName: 'getQueueProgress',
    })
    console.log(`\n📋 最终队列状态: 已处理 ${finalQueue[0]}, 总请求 ${finalQueue[1]}, 待处理 ${finalQueue[2]}`)
  }

  // 汇总
  console.log('\n' + '='.repeat(60))
  console.log('📊 模拟结果汇总')
  console.log('='.repeat(60))

  const queuedCount = results.filter(r => r.status === 'queued').length
  const failCount = results.filter(r => r.status === 'failed').length
  const totalSold = results
    .filter(r => r.status === 'queued')
    .reduce((sum, r) => sum + parseFloat(r.sellAmount), 0)

  console.log(`\n成功排队: ${queuedCount} 笔`)
  console.log(`失败: ${failCount} 笔`)
  console.log(`总卖出 ${vaultSymbol}: ${totalSold.toFixed(2)}`)

  console.log('\n详细记录:')
  console.table(results.map(r => ({
    地址: r.address.slice(0, 10) + '...',
    卖出YT: r.sellAmount,
    预期WUSD: r.expectedWusd,
    状态: r.status,
  })))

  console.log('\n✅ 模拟完成!')
}

main().catch(console.error)