//
//  WalletViewControllers.swift
//  suixinkan
//
//  Created by Codex on 2026/6/26.
//

import UIKit

/// 钱包首页。
final class WalletViewController: ModuleTableViewController {
    private let viewModel = WalletViewModel()
    private let summaryLabel = UILabel()

    override func viewDidLoad() {
        title = "我的钱包"
        navigationItem.rightBarButtonItem = UIBarButtonItem(
            title: "提现",
            style: .plain,
            target: self,
            action: #selector(openWithdraw)
        )
        super.viewDidLoad()
        setupHeader()
        wireViewModel(viewModel) { [weak self] in self?.updateSummary() }
    }

    private func setupHeader() {
        summaryLabel.numberOfLines = 0
        summaryLabel.font = .systemFont(ofSize: 14)
        summaryLabel.textAlignment = .center
        summaryLabel.textColor = AppDesign.textSecondary
        summaryLabel.frame = CGRect(x: 0, y: 0, width: view.bounds.width, height: 72)
        tableView.tableHeaderView = summaryLabel
    }

    override func tableRowCount() -> Int {
        switch viewModel.selectedTab {
        case .earnings:
            return viewModel.earningsGroups.flatMap(\.items).count
        case .withdraws:
            return viewModel.withdrawRecords.count
        }
    }

    override func configureCell(_ cell: TitleSubtitleTableViewCell, at indexPath: IndexPath) {
        switch viewModel.selectedTab {
        case .earnings:
            let items = viewModel.earningsGroups.flatMap(\.items)
            let item = items[indexPath.row]
            cell.configure(title: item.typeLabel, subtitle: item.amount, detail: item.createdAt)
        case .withdraws:
            let record = viewModel.withdrawRecords[indexPath.row]
            cell.configure(title: "¥\(record.amount)", subtitle: record.statusLabel, detail: record.createdAt)
        }
    }

    override func reloadContent() async {
        await viewModel.loadInitial(api: services.walletAPI, staffId: services.staffId)
        updateSummary()
    }

    private func updateSummary() {
        summaryLabel.text = "\(viewModel.withdrawableText) · \(viewModel.totalAmountText)"
        navigationItem.rightBarButtonItem?.title = viewModel.selectedTab == .earnings ? "提现记录" : "收益明细"
    }

    @objc private func openWithdraw() {
        navigationController?.pushViewController(WalletWithdrawViewController(), animated: true)
    }
}

extension WalletViewModel: ViewModelBindable {}

/// 钱包提现页。
final class WalletWithdrawViewController: ModuleTableViewController {
    private let viewModel = WithdrawApplyViewModel()
    private let amountField = UITextField()
    private let smsField = UITextField()

    override func viewDidLoad() {
        title = "申请提现"
        navigationItem.rightBarButtonItems = [
            UIBarButtonItem(title: "提交", style: .done, target: self, action: #selector(submit)),
            UIBarButtonItem(title: "验证码", style: .plain, target: self, action: #selector(sendSms))
        ]
        super.viewDidLoad()
        amountField.placeholder = "提现金额"
        amountField.borderStyle = .roundedRect
        amountField.keyboardType = .decimalPad
        smsField.placeholder = "短信验证码"
        smsField.borderStyle = .roundedRect
        let stack = UIStackView(arrangedSubviews: [amountField, smsField])
        stack.axis = .vertical
        stack.spacing = 8
        stack.frame = CGRect(x: 0, y: 0, width: view.bounds.width, height: 96)
        stack.layoutMargins = UIEdgeInsets(top: 12, left: 16, bottom: 12, right: 16)
        stack.isLayoutMarginsRelativeArrangement = true
        tableView.tableHeaderView = stack
        wireViewModel(viewModel) { }
    }

    override func tableRowCount() -> Int { 1 }

    override func configureCell(_ cell: TitleSubtitleTableViewCell, at indexPath: IndexPath) {
        let amount = viewModel.info?.amountWithdrawable ?? "0"
        cell.configure(title: "可提现", subtitle: "¥ \(amount)")
    }

    override func reloadContent() async {
        await viewModel.load(api: services.walletAPI)
    }

    @objc private func sendSms() {
        Task { await viewModel.sendSms(api: services.walletAPI) }
    }

    @objc private func submit() {
        viewModel.amountText = amountField.text ?? ""
        viewModel.smsCode = smsField.text ?? ""
        Task {
            if await viewModel.submit(api: services.walletAPI) {
                services.toastCenter.show("提现申请已提交")
                navigationController?.popViewController(animated: true)
            } else if let message = viewModel.errorMessage {
                services.toastCenter.show(message)
            }
        }
    }
}

extension WithdrawApplyViewModel: ViewModelBindable {}