//
//  WalletCells.swift
//  suixinkan
//

import SnapKit
import UIKit

/// 钱包提现记录 Cell。
final class WalletWithdrawRecordCell: UITableViewCell {
    static let reuseIdentifier = "WalletWithdrawRecordCell"

    private let cardView = UIView()
    private let amountLabel = UILabel()
    private let statusLabel = UILabel()
    private let timeLabel = UILabel()
    private let progressView = UIProgressView(progressViewStyle: .bar)
    private let stepsStack = UIStackView()
    private let infoLabel = UILabel()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupUI()
    }

    @available(*, unavailable)
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    /// 配置提现记录。
    func apply(_ record: WalletWithdrawItem) {
        amountLabel.text = WalletViewModel.formatAmount(record.amount)
        statusLabel.text = record.statusLabel.isEmpty ? "--" : record.statusLabel
        timeLabel.text = record.createdAt.isEmpty ? "--" : record.createdAt
        let style = statusStyle(for: record.settlementStatus)
        statusLabel.textColor = style.text
        statusLabel.backgroundColor = style.background
        progressView.progressTintColor = style.progress
        progressView.progress = progress(for: record.settlementStatus)
        configureSteps(progress: progress(for: record.settlementStatus), tint: style.progress)
        progressView.isHidden = record.settlementStatus == 50
        stepsStack.isHidden = record.settlementStatus == 50
        infoLabel.text = infoText(for: record)
        infoLabel.isHidden = infoLabel.text?.isEmpty ?? true
    }

    private func setupUI() {
        selectionStyle = .none
        backgroundColor = .white
        contentView.backgroundColor = .white

        cardView.backgroundColor = .white
        cardView.layer.cornerRadius = 16
        cardView.layer.borderWidth = 1
        cardView.layer.borderColor = UIColor(hex: 0xF3F4F6).cgColor
        cardView.clipsToBounds = true

        amountLabel.font = .systemFont(ofSize: 18, weight: .bold)
        amountLabel.textColor = .black

        statusLabel.font = .systemFont(ofSize: 12, weight: .medium)
        statusLabel.textAlignment = .center
        statusLabel.layer.cornerRadius = 4
        statusLabel.clipsToBounds = true

        timeLabel.font = .systemFont(ofSize: 14)
        timeLabel.textColor = UIColor(hex: 0x7B8EAA)

        progressView.trackTintColor = UIColor(hex: 0xF2F4F8)
        progressView.layer.cornerRadius = 3
        progressView.clipsToBounds = true

        stepsStack.axis = .horizontal
        stepsStack.distribution = .equalSpacing
        stepsStack.alignment = .center

        infoLabel.font = .systemFont(ofSize: 14)
        infoLabel.textColor = UIColor(hex: 0x4B5563)
        infoLabel.numberOfLines = 0

        contentView.addSubview(cardView)
        [amountLabel, statusLabel, timeLabel, progressView, stepsStack, infoLabel].forEach(cardView.addSubview)

        cardView.snp.makeConstraints { make in
            make.edges.equalToSuperview().inset(UIEdgeInsets(top: 6, left: 16, bottom: 6, right: 16))
        }
        amountLabel.snp.makeConstraints { make in
            make.top.leading.equalToSuperview().offset(16)
            make.trailing.lessThanOrEqualTo(statusLabel.snp.leading).offset(-12)
        }
        statusLabel.snp.makeConstraints { make in
            make.centerY.equalTo(amountLabel)
            make.trailing.equalToSuperview().inset(16)
            make.height.equalTo(24)
            make.width.greaterThanOrEqualTo(62)
        }
        timeLabel.snp.makeConstraints { make in
            make.top.equalTo(amountLabel.snp.bottom).offset(6)
            make.leading.trailing.equalToSuperview().inset(16)
        }
        progressView.snp.makeConstraints { make in
            make.top.equalTo(timeLabel.snp.bottom).offset(16)
            make.leading.trailing.equalToSuperview().inset(16)
            make.height.equalTo(6)
        }
        stepsStack.snp.makeConstraints { make in
            make.top.equalTo(progressView.snp.bottom).offset(10)
            make.leading.trailing.equalToSuperview().inset(16)
        }
        infoLabel.snp.makeConstraints { make in
            make.top.equalTo(stepsStack.snp.bottom).offset(10)
            make.leading.trailing.equalToSuperview().inset(16)
            make.bottom.equalToSuperview().inset(14)
        }
    }

    private func configureSteps(progress: Float, tint: UIColor) {
        stepsStack.arrangedSubviews.forEach { $0.removeFromSuperview() }
        ["提交申请", "审核中", "打款中", "已完成"].enumerated().forEach { index, title in
            let label = UILabel()
            label.text = title
            label.font = .systemFont(ofSize: 11)
            let threshold = Float(index) / 3.0
            label.textColor = progress >= threshold ? tint : UIColor(hex: 0xB3B8C2)
            stepsStack.addArrangedSubview(label)
        }
        let percent = UILabel()
        percent.text = "\(Int(progress * 100))%"
        percent.font = .systemFont(ofSize: 12, weight: .medium)
        percent.textColor = tint
        stepsStack.addArrangedSubview(percent)
    }

    private func statusStyle(for status: Int) -> (background: UIColor, text: UIColor, progress: UIColor) {
        switch status {
        case 50, 20:
            (UIColor(hex: 0xEBFFF5), UIColor(hex: 0x16C26D), UIColor(hex: 0x1677FF))
        case 60, 30:
            (UIColor(hex: 0xFFF1F0), UIColor(hex: 0xFF4D4F), UIColor(hex: 0xFF4D4F))
        case 40:
            (UIColor(hex: 0xFFF3E8), UIColor(hex: 0xFF8A00), UIColor(hex: 0x1677FF))
        default:
            (UIColor(hex: 0xE6F1FF), UIColor(hex: 0x1677FF), UIColor(hex: 0x1677FF))
        }
    }

    private func progress(for status: Int) -> Float {
        switch status {
        case 10: 0.1
        case 40: 0.4
        case 20: 0.8
        case 30: 1.0
        case 60: 0.0
        default: 1.0
        }
    }

    private func infoText(for record: WalletWithdrawItem) -> String {
        if (record.settlementStatus == 10 || record.settlementStatus == 40), !record.expectedAt.isEmpty {
            return "预计到账时间：\(record.expectedAt)"
        }
        if (record.settlementStatus == 60 || record.settlementStatus == 30), !record.auditTime.isEmpty {
            let remark = record.auditRemark.isEmpty ? "" : "\n备注信息：\(record.auditRemark)"
            return "审核时间：\(record.auditTime)\(remark)"
        }
        if record.settlementStatus == 50, !record.expectedAt.isEmpty {
            return "到账时间：\(record.expectedAt)"
        }
        return ""
    }
}

/// 钱包收益明细日期分组头 Cell。
final class WalletTransactionHeaderCell: UITableViewCell {
    static let reuseIdentifier = "WalletTransactionHeaderCell"

    private let dateLabel = UILabel()
    private let incomeLabel = UILabel()
    private let pointsLabel = UILabel()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupUI()
    }

    @available(*, unavailable)
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    /// 配置收益明细分组。
    func apply(_ group: EarningDetailGroup) {
        dateLabel.text = group.date
        incomeLabel.text = "当日收益:\(WalletViewModel.formatAmount(group.dayAmount))"
        pointsLabel.text = group.dayPoints > 0 ? "积分+\(group.dayPoints)" : ""
    }

    private func setupUI() {
        selectionStyle = .none
        backgroundColor = .white
        dateLabel.font = .systemFont(ofSize: 14)
        dateLabel.textColor = UIColor(hex: 0x9CA3AF)
        incomeLabel.font = .systemFont(ofSize: 14)
        incomeLabel.textColor = UIColor(hex: 0x4B5563)
        incomeLabel.textAlignment = .right
        pointsLabel.font = .systemFont(ofSize: 14)
        pointsLabel.textColor = UIColor(hex: 0xFF7B00)
        pointsLabel.textAlignment = .right

        contentView.addSubview(dateLabel)
        contentView.addSubview(incomeLabel)
        contentView.addSubview(pointsLabel)

        dateLabel.snp.makeConstraints { make in
            make.top.bottom.equalToSuperview().inset(8)
            make.leading.equalToSuperview().offset(16)
        }
        pointsLabel.snp.makeConstraints { make in
            make.centerY.equalTo(dateLabel)
            make.trailing.equalToSuperview().inset(16)
        }
        incomeLabel.snp.makeConstraints { make in
            make.centerY.equalTo(dateLabel)
            make.leading.greaterThanOrEqualTo(dateLabel.snp.trailing).offset(8)
            make.trailing.equalTo(pointsLabel.snp.leading).offset(-12)
        }
    }
}

/// 钱包收益明细记录 Cell。
final class WalletTransactionRecordCell: UITableViewCell {
    static let reuseIdentifier = "WalletTransactionRecordCell"

    private let cardView = UIView()
    private let amountLabel = UILabel()
    private let pointsLabel = UILabel()
    private let typeLabel = UILabel()
    private let orderLabel = UILabel()
    private let timeLabel = UILabel()
    private let withdrawLabel = UILabel()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupUI()
    }

    @available(*, unavailable)
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    /// 配置收益明细记录。
    func apply(_ item: EarningDetailItem) {
        amountLabel.text = item.amount.isEmpty ? "" : WalletViewModel.formatAmount(item.amount)
        pointsLabel.text = item.points > 0 ? "积分+\(item.points)" : ""
        amountLabel.isHidden = item.amount.isEmpty
        pointsLabel.isHidden = item.points <= 0
        if item.amount.isEmpty, item.points <= 0 {
            amountLabel.text = "--"
            amountLabel.isHidden = false
        }
        typeLabel.text = item.typeLabel
        orderLabel.text = item.orderNumberSuffix
        orderLabel.isHidden = item.orderNumberSuffix.isEmpty
        timeLabel.text = item.createdAt
        withdrawLabel.text = item.withdrawLabel
        withdrawLabel.isHidden = item.withdrawLabel.isEmpty
        let style = labelStyle(for: item.withdrawLabel)
        withdrawLabel.textColor = style.text
        withdrawLabel.backgroundColor = style.background
        orderLabel.textColor = style.orderText
        orderLabel.backgroundColor = style.orderBackground
    }

    private func setupUI() {
        selectionStyle = .none
        backgroundColor = .white
        cardView.backgroundColor = .white
        cardView.layer.cornerRadius = 12
        cardView.layer.borderWidth = 1
        cardView.layer.borderColor = UIColor(hex: 0xF3F4F6).cgColor
        cardView.clipsToBounds = true

        amountLabel.font = .systemFont(ofSize: 18, weight: .medium)
        amountLabel.textColor = .black
        pointsLabel.font = .systemFont(ofSize: 18, weight: .medium)
        pointsLabel.textColor = UIColor(hex: 0xFF7B00)
        pointsLabel.textAlignment = .right
        typeLabel.font = .systemFont(ofSize: 14)
        typeLabel.textColor = UIColor(hex: 0x9CA3AF)
        orderLabel.font = .systemFont(ofSize: 12)
        orderLabel.textAlignment = .center
        orderLabel.layer.cornerRadius = 4
        orderLabel.clipsToBounds = true
        timeLabel.font = .systemFont(ofSize: 14)
        timeLabel.textColor = UIColor(hex: 0x4B5563)
        withdrawLabel.font = .systemFont(ofSize: 12)
        withdrawLabel.textAlignment = .center
        withdrawLabel.layer.cornerRadius = 4
        withdrawLabel.clipsToBounds = true

        contentView.addSubview(cardView)
        [amountLabel, pointsLabel, typeLabel, orderLabel, timeLabel, withdrawLabel].forEach(cardView.addSubview)

        cardView.snp.makeConstraints { make in
            make.edges.equalToSuperview().inset(UIEdgeInsets(top: 6, left: 16, bottom: 6, right: 16))
        }
        amountLabel.snp.makeConstraints { make in
            make.top.leading.equalToSuperview().offset(16)
        }
        pointsLabel.snp.makeConstraints { make in
            make.centerY.equalTo(amountLabel)
            make.leading.greaterThanOrEqualTo(amountLabel.snp.trailing).offset(12)
            make.trailing.equalToSuperview().inset(16)
        }
        typeLabel.snp.makeConstraints { make in
            make.top.equalTo(amountLabel.snp.bottom).offset(10)
            make.leading.equalToSuperview().offset(16)
        }
        orderLabel.snp.makeConstraints { make in
            make.centerY.equalTo(typeLabel)
            make.leading.equalTo(typeLabel.snp.trailing).offset(8)
            make.height.equalTo(20)
            make.width.greaterThanOrEqualTo(36)
        }
        timeLabel.snp.makeConstraints { make in
            make.top.equalTo(typeLabel.snp.bottom).offset(12)
            make.leading.equalToSuperview().offset(16)
            make.bottom.equalToSuperview().inset(16)
        }
        withdrawLabel.snp.makeConstraints { make in
            make.centerY.equalTo(timeLabel)
            make.trailing.equalToSuperview().inset(16)
            make.height.equalTo(20)
            make.width.greaterThanOrEqualTo(48)
        }
    }

    private func labelStyle(for label: String) -> (background: UIColor, text: UIColor, orderBackground: UIColor, orderText: UIColor) {
        switch label {
        case "可提现":
            return (UIColor(hex: 0xF0FDF4), UIColor(hex: 0x22C55E), UIColor(hex: 0xEFF6FF), UIColor(hex: 0x0073FF))
        default:
            return (UIColor(hex: 0xF4F4F4), UIColor(hex: 0x7B8EAA), UIColor(hex: 0xF4F4F4), UIColor(hex: 0x7B8EAA))
        }
    }
}