//
//  OrderCardCell.swift
//  suixinkan
//

import SnapKit
import UIKit

struct OrderCardActions {
    var onRefund: (() -> Void)?
    var onVerify: (() -> Void)?
    var onUploadTask: (() -> Void)?
    var onCancel: (() -> Void)?
    var onCallPhone: (() -> Void)?
    var onGiftPhotoMinus: (() -> Void)?
    var onGiftPhotoPlus: (() -> Void)?
    var onGiftVideoMinus: (() -> Void)?
    var onGiftVideoPlus: (() -> Void)?
    var onSendGift: (() -> Void)?
    var onRefinedChanged: ((Int) -> Void)?
    var onHistoricalPhoto: (() -> Void)?
    var onOrderSourceTap: (() -> Void)?
}

/// 摄影师订单卡片，对齐 Android `OrderView`。
final class OrderCardCell: UITableViewCell {
    static let reuseIdentifier = "OrderCardCell"

    private let cardView = UIView()
    private let orderNumberLabel = UILabel()
    private let statusBadge = OrderStatusBadgeView()
    private let createdAtLabel = UILabel()
    private let typeChip = UILabel()
    private let actionStack = UIStackView()
    private let refundButton = UIButton(type: .system)
    private let verifyButton = UIButton(type: .system)
    private let uploadTaskButton = UIButton(type: .system)
    private let infoStack = UIStackView()
    private let cancelButton = UIButton(type: .system)
    private let orderSourceButton = UIButton(type: .system)
    private let historicalButton = UIButton(type: .system)
    private let refinedStack = UIStackView()
    private let refinedNeedButton = UIButton(type: .system)
    private let refinedNoButton = UIButton(type: .system)

    private var actions = OrderCardActions()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        selectionStyle = .none
        backgroundColor = .clear
        contentView.backgroundColor = .clear
        setupUI()
    }

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

    func configure(order: OrderEntity, hideWriteActions: Bool, actions: OrderCardActions, showOrderSource: Bool, sourceText: String?) {
        self.actions = actions
        orderNumberLabel.text = "订单号：\(order.orderNumber)"
        statusBadge.apply(status: order.orderStatus, text: order.orderStatusName)
        createdAtLabel.text = order.createdAt.isEmpty ? "--" : order.createdAt
        typeChip.text = order.orderTypeLabel
        typeChip.isHidden = order.orderTypeLabel.isEmpty

        let showRefund = !hideWriteActions && (order.orderStatus == 18 || order.orderStatus == 30) && order.orderType != 19
        let showVerify = !hideWriteActions && (
            (order.photoTravel?.needCheckIn == true && order.orderStatus != 30) || order.orderType == 19
        )
        refundButton.isHidden = !showRefund
        verifyButton.isHidden = !showVerify
        actionStack.isHidden = !showRefund && !showVerify
        uploadTaskButton.isHidden = hideWriteActions || order.orderType != 19

        orderSourceButton.isHidden = !showOrderSource
        orderSourceButton.setTitle(sourceText ?? "选择订单来源", for: .normal)

        let showRefined = order.orderStatus == 18 || order.orderStatus == 30
        refinedStack.isHidden = !showRefined
        updateRefinedButtons(isRefined: order.isRefined, readOnly: hideWriteActions)

        cancelButton.isHidden = hideWriteActions || order.photoTravel?.canCancelOrder != true

        infoStack.arrangedSubviews.forEach { $0.removeFromSuperview() }
        addInfoRow(title: "付款金额", value: "¥\(order.actualPayAmount)")
        if !order.payTime.isEmpty { addInfoRow(title: "付款时间", value: order.payTime) }
        if !order.completeTime.isEmpty { addInfoRow(title: "完成时间", value: order.completeTime) }
        if !order.payTypeName.isEmpty { addInfoRow(title: "付款方式", value: order.payTypeName) }
        addInfoRow(title: "UID", value: String(order.userId))
        addPhoneRow(phone: order.phone, hidden: hideWriteActions)
        if let travel = order.photoTravel, !travel.checkInTime.isEmpty {
            addInfoRow(title: "核销时间", value: travel.checkInTime)
        }
        if let travel = order.photoTravel {
            addInfoRow(title: "修图张数", value: "\(travel.orderPhotoNum)")
            addInfoRow(title: "视频", value: "\(travel.orderVideoNum)")
        }
        if let remark = order.remark, !remark.isEmpty {
            addInfoRow(title: "备注", value: remark)
        }

        let materials = order.multiTravel?.materialList ?? []
        historicalButton.isHidden = materials.isEmpty
    }

    private func setupUI() {
        cardView.backgroundColor = .white
        cardView.layer.cornerRadius = 12

        orderNumberLabel.font = .systemFont(ofSize: 14)
        orderNumberLabel.textColor = .black
        createdAtLabel.font = .systemFont(ofSize: 12)
        createdAtLabel.textColor = UIColor(hex: 0x6B7280)
        typeChip.font = .systemFont(ofSize: 12)
        typeChip.textColor = AppColor.primary
        typeChip.backgroundColor = UIColor(hex: 0xEFF6FF)
        typeChip.layer.cornerRadius = 4
        typeChip.clipsToBounds = true
        typeChip.textAlignment = .center

        configureActionButton(refundButton, title: "退款", color: UIColor(hex: 0xEF4444), bg: UIColor(hex: 0xFFE7E7))
        configureActionButton(verifyButton, title: "核销订单", color: .white, bg: UIColor(hex: 0x0073FF))
        refundButton.addTarget(self, action: #selector(refundTapped), for: .touchUpInside)
        verifyButton.addTarget(self, action: #selector(verifyTapped), for: .touchUpInside)

        uploadTaskButton.setTitle("上传任务", for: .normal)
        uploadTaskButton.setTitleColor(AppColor.primary, for: .normal)
        uploadTaskButton.titleLabel?.font = .systemFont(ofSize: 16)
        uploadTaskButton.backgroundColor = UIColor(hex: 0xEFF6FF)
        uploadTaskButton.layer.cornerRadius = 12
        uploadTaskButton.addTarget(self, action: #selector(uploadTaskTapped), for: .touchUpInside)

        actionStack.axis = .horizontal
        actionStack.spacing = 12
        actionStack.distribution = .fillEqually
        actionStack.addArrangedSubview(refundButton)
        actionStack.addArrangedSubview(verifyButton)

        infoStack.axis = .vertical
        infoStack.spacing = 6

        cancelButton.setTitle("取消订单", for: .normal)
        cancelButton.setTitleColor(UIColor(hex: 0xEF4444), for: .normal)
        cancelButton.titleLabel?.font = .systemFont(ofSize: 14)
        cancelButton.addTarget(self, action: #selector(cancelTapped), for: .touchUpInside)

        orderSourceButton.setTitleColor(AppColor.primary, for: .normal)
        orderSourceButton.titleLabel?.font = .systemFont(ofSize: 14)
        orderSourceButton.contentHorizontalAlignment = .leading
        orderSourceButton.addTarget(self, action: #selector(orderSourceTapped), for: .touchUpInside)

        historicalButton.setTitle("历史拍摄", for: .normal)
        historicalButton.setTitleColor(AppColor.primary, for: .normal)
        historicalButton.titleLabel?.font = .systemFont(ofSize: 14)
        historicalButton.addTarget(self, action: #selector(historicalTapped), for: .touchUpInside)

        refinedStack.axis = .horizontal
        refinedStack.spacing = 8
        refinedNeedButton.setTitle("需要精修", for: .normal)
        refinedNoButton.setTitle("无需精修", for: .normal)
        [refinedNeedButton, refinedNoButton].forEach {
            $0.titleLabel?.font = .systemFont(ofSize: 13)
            $0.layer.cornerRadius = 6
            $0.layer.borderWidth = 1
        }
        refinedNeedButton.addTarget(self, action: #selector(refinedNeedTapped), for: .touchUpInside)
        refinedNoButton.addTarget(self, action: #selector(refinedNoTapped), for: .touchUpInside)
        refinedStack.addArrangedSubview(refinedNeedButton)
        refinedStack.addArrangedSubview(refinedNoButton)

        contentView.addSubview(cardView)
        cardView.addSubview(orderNumberLabel)
        cardView.addSubview(statusBadge)
        cardView.addSubview(createdAtLabel)
        cardView.addSubview(typeChip)
        cardView.addSubview(orderSourceButton)
        cardView.addSubview(actionStack)
        cardView.addSubview(uploadTaskButton)
        cardView.addSubview(refinedStack)
        cardView.addSubview(infoStack)
        cardView.addSubview(historicalButton)
        cardView.addSubview(cancelButton)

        cardView.snp.makeConstraints { make in
            make.edges.equalToSuperview().inset(UIEdgeInsets(top: 0, left: 16, bottom: 12, right: 16))
        }
        orderNumberLabel.snp.makeConstraints { make in
            make.top.leading.equalToSuperview().inset(16)
        }
        statusBadge.snp.makeConstraints { make in
            make.centerY.equalTo(orderNumberLabel)
            make.trailing.equalToSuperview().inset(16)
        }
        createdAtLabel.snp.makeConstraints { make in
            make.top.equalTo(orderNumberLabel.snp.bottom).offset(4)
            make.leading.equalToSuperview().inset(16)
        }
        typeChip.snp.makeConstraints { make in
            make.top.equalTo(createdAtLabel.snp.bottom).offset(4)
            make.leading.equalToSuperview().inset(16)
            make.height.equalTo(20)
            make.width.greaterThanOrEqualTo(40)
        }
        orderSourceButton.snp.makeConstraints { make in
            make.top.equalTo(typeChip.snp.bottom).offset(8)
            make.leading.trailing.equalToSuperview().inset(16)
        }
        actionStack.snp.makeConstraints { make in
            make.top.equalTo(orderSourceButton.snp.bottom).offset(12)
            make.leading.trailing.equalToSuperview().inset(16)
            make.height.equalTo(48)
        }
        uploadTaskButton.snp.makeConstraints { make in
            make.top.equalTo(actionStack.snp.bottom).offset(12)
            make.leading.trailing.equalToSuperview().inset(16)
            make.height.equalTo(48)
        }
        refinedStack.snp.makeConstraints { make in
            make.top.equalTo(uploadTaskButton.snp.bottom).offset(12)
            make.leading.equalToSuperview().inset(16)
        }
        infoStack.snp.makeConstraints { make in
            make.top.equalTo(refinedStack.snp.bottom).offset(12)
            make.leading.trailing.equalToSuperview().inset(16)
        }
        historicalButton.snp.makeConstraints { make in
            make.top.equalTo(infoStack.snp.bottom).offset(8)
            make.leading.equalToSuperview().inset(16)
        }
        cancelButton.snp.makeConstraints { make in
            make.top.equalTo(historicalButton.snp.bottom).offset(12)
            make.leading.equalToSuperview().inset(16)
            make.bottom.equalToSuperview().inset(16)
        }
    }

    private func configureActionButton(_ button: UIButton, title: String, color: UIColor, bg: UIColor) {
        button.setTitle(title, for: .normal)
        button.setTitleColor(color, for: .normal)
        button.titleLabel?.font = .systemFont(ofSize: 16)
        button.backgroundColor = bg
        button.layer.cornerRadius = 8
    }

    private func addInfoRow(title: String, value: String) {
        let row = UIStackView()
        row.axis = .horizontal
        row.distribution = .fillEqually
        let titleLabel = UILabel()
        titleLabel.text = title
        titleLabel.font = .systemFont(ofSize: 13)
        titleLabel.textColor = UIColor(hex: 0x6B7280)
        let valueLabel = UILabel()
        valueLabel.text = value
        valueLabel.font = .systemFont(ofSize: 13)
        valueLabel.textColor = AppColor.text333
        valueLabel.textAlignment = .right
        row.addArrangedSubview(titleLabel)
        row.addArrangedSubview(valueLabel)
        infoStack.addArrangedSubview(row)
    }

    private func addPhoneRow(phone: String, hidden: Bool) {
        let row = UIStackView()
        row.axis = .horizontal
        row.distribution = .fillEqually
        let titleLabel = UILabel()
        titleLabel.text = "手机号"
        titleLabel.font = .systemFont(ofSize: 13)
        titleLabel.textColor = UIColor(hex: 0x6B7280)
        let valueButton = UIButton(type: .system)
        valueButton.setTitle(OrderPhoneMask.mask(phone), for: .normal)
        valueButton.setTitleColor(AppColor.primary, for: .normal)
        valueButton.titleLabel?.font = .systemFont(ofSize: 13)
        valueButton.contentHorizontalAlignment = .trailing
        valueButton.isHidden = hidden || phone.isEmpty
        valueButton.addTarget(self, action: #selector(callTapped), for: .touchUpInside)
        row.addArrangedSubview(titleLabel)
        row.addArrangedSubview(valueButton)
        infoStack.addArrangedSubview(row)
    }

    private func updateRefinedButtons(isRefined: Int, readOnly: Bool) {
        let selectedBorder = AppColor.primary.cgColor
        let normalBorder = UIColor(hex: 0xE5E7EB).cgColor
        refinedNeedButton.layer.borderColor = isRefined == 1 ? selectedBorder : normalBorder
        refinedNoButton.layer.borderColor = isRefined == 2 ? selectedBorder : normalBorder
        refinedNeedButton.isEnabled = !readOnly
        refinedNoButton.isEnabled = !readOnly
    }

    @objc private func refundTapped() { actions.onRefund?() }
    @objc private func verifyTapped() { actions.onVerify?() }
    @objc private func uploadTaskTapped() { actions.onUploadTask?() }
    @objc private func cancelTapped() { actions.onCancel?() }
    @objc private func callTapped() { actions.onCallPhone?() }
    @objc private func orderSourceTapped() { actions.onOrderSourceTap?() }
    @objc private func historicalTapped() { actions.onHistoricalPhoto?() }
    @objc private func refinedNeedTapped() { actions.onRefinedChanged?(1) }
    @objc private func refinedNoTapped() { actions.onRefinedChanged?(2) }
}

enum OrderPhoneMask {
    static func mask(_ phone: String) -> String {
        let trimmed = phone.trimmingCharacters(in: .whitespacesAndNewlines)
        guard trimmed.count >= 7 else { return trimmed }
        let start = trimmed.prefix(3)
        let end = trimmed.suffix(4)
        return "\(start)****\(end)"
    }
}