//
//  VoiceRecordView.swift
//  QuickLocation
//
//  Created by 八条 on 2026/6/6.
//

import UIKit
import Lottie

final class VoiceRecordView: UIView {

    enum State {
        case recording
        case canceling
    }

    var state: State = .recording {
        didSet {
            updateUI()
        }
    }
    
    private func updateUI() {
        switch state {
        case .recording:
            tipsLab.text = "松开发送"
            startRotating()
        case .canceling:
            tipsLab.text = "松开取消"
        }
    }

    lazy var bgView: UIView = {
        let v = UIView()
        v.backgroundColor = .clear
        v.layer.shadowColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.1).cgColor
        v.layer.shadowOffset = CGSize(width: 0, height: 0)
        v.layer.shadowOpacity = 1
        v.layer.shadowRadius = 8
        return v
    }()

    lazy var topContainer: UIView = {
        let v = UIView()
        v.backgroundColor = .white
        return v
    }()
    
    lazy var keyboardBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "IM/keyboard"), for: .normal)
        return btn
    }()
    
    lazy var titleView: UIView = {
        let v = UIView()
        v.layer.shadowColor = UIColor(red: 0.06, green: 0.16, blue: 0.27, alpha: 0.1).cgColor
        v.layer.shadowOffset = CGSize(width: 0, height: 0)
        v.layer.shadowOpacity = 1
        v.layer.shadowRadius = 9
        
        let cornerView = UIView()
        cornerView.backgroundColor = .white
        cornerView.cornerRadius = 19
        
        let label = UILabel()
        label.text = "正在录入语音..."
        label.font = .systemFont(ofSize: 12)
        label.textColor = ThemeManager.shared.color.subTitleColor
        label.textAlignment = .center
        
        v.addSubview(cornerView)
        v.addSubview(label)
        
        cornerView.layoutChain.edges()
        label.layoutChain.centerX().centerY()
        
        return v
    }()
    
    lazy var emojiBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "IM/emoji_off"), for: .normal)
        btn.extendEdgeInsets = UIEdgeInsets(top: 15, left: 15, bottom: 15, right: 0)
        return btn
    }()
    
    lazy var addBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "IM/add_off"), for: .normal)
        btn.extendEdgeInsets = UIEdgeInsets(top: 15, left: 0, bottom: 15, right: 15)
        return btn
    }()
    
    lazy var containerView: UIView = {
        let view = UIView()
        view.backgroundColor = .white
        return view
    }()
    
    lazy var tipsLab: UILabel = {
        let label = UILabel()
        label.text = " "
        label.font = .systemFont(ofSize: 12, weight: .medium)
        label.textColor = ThemeManager.shared.color.titleAuxColor
        label.textAlignment = .center
        return label
    }()
    
    lazy var speakingImgView: UIImageView = {
        let view = UIImageView(image: UIImage(named: "IM/speaking"))
        view.isHidden = true
        return view
    }()
    
    lazy var speakBtn: UIView = {
        let view = UIView()
        view.backgroundColor = UIColor(hexStr: "#E7F7FF")
        view.cornerRadius = 48
        
        let icon = UIImageView(image: UIImage(named: "IM/speak"))
        view.addSubview(icon)
        icon.layoutChain
            .centerX()
            .centerY()
        
        return view
    }()
    
    lazy var cancelLab: UILabel = {
        let label = UILabel()
        label.text = "左滑取消"
        label.font = .systemFont(ofSize: 12, weight: .regular)
        label.textColor = ThemeManager.shared.color.contentColor
        return label
    }()
    
    lazy var cancelBtn: UIButton = {
        let btn = UIButton(type: .custom)
        btn.setImage(UIImage(named: "IM/cancel_off"), for: .normal)
        btn.setImage(UIImage(named: "IM/cancel"), for: .selected)
        btn.isUserInteractionEnabled = false
        return btn
    }()

    // MARK: - Init
    override init(frame: CGRect) {
        super.init(frame: frame)
        backgroundColor = .clear

        addSubview(bgView)
        bgView.addSubview(topContainer)
        topContainer.addSubview(keyboardBtn)
        topContainer.addSubview(titleView)
        topContainer.addSubview(emojiBtn)
        topContainer.addSubview(addBtn)
        
        bgView.addSubview(containerView)
        containerView.addSubview(tipsLab)
        containerView.addSubview(speakBtn)
        containerView.addSubview(speakingImgView)
        containerView.addSubview(cancelLab)
        containerView.addSubview(cancelBtn)
        
        bgView.layoutChain.edges()

        topContainer.layoutChain
            .edges(excludingEdge: .bottom)
            .height(58)
        
        keyboardBtn.layoutChain
            .left(22)
            .centerY()
            .width(36)
            .height(36)
        
        addBtn.layoutChain
            .right(22)
            .centerY()
            .width(24)
            .height(24)
        
        emojiBtn.layoutChain
            .rightToLeftOfView(addBtn, offset: -8)
            .centerY()
            .width(24)
            .height(24)
        
        titleView.layoutChain
            .top(10)
            .leftToRightOfView(keyboardBtn, offset: 7)
            .rightToLeftOfView(emojiBtn, offset: -12)
            .bottom(10)
        
        containerView.layoutChain
            .topToBottomOfView(topContainer, offset: 0)
            .edges(excludingEdge: .top)
        
        tipsLab.layoutChain
            .top(18)
            .centerX()

        speakBtn.layoutChain
            .height(96)
            .widthToHeight(1)
            .centerY()
            .centerX()
        
        speakingImgView.layoutChain
            .topToView(speakBtn, offset: -6)
            .leftToView(speakBtn, offset: -6)
            .rightToView(speakBtn, offset: 6)
            .bottomToView(speakBtn, offset: 6)
        
        cancelBtn.layoutChain
            .rightToLeftOfView(speakBtn, offset: -47)
            .centerY(speakBtn)
            .width(41)
            .heightToWidth(1)
        
        cancelLab.layoutChain
            .bottomToTopOfView(cancelBtn, offset: -7)
            .centerX(cancelBtn)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override func layoutSubviews() {
        super.layoutSubviews()
        topContainer.setNeedsLayout()
        topContainer.layoutIfNeeded()
        topContainer.setCornerRadius(corners: [.topRight, .topLeft], withCornerRadii: CGSize(width: 20, height: 20))
    }
}

extension VoiceRecordView {
    func startRotating() {
        guard speakingImgView.isHidden == true else { return }
        speakingImgView.isHidden = false
        // 避免重复添加动画
        speakingImgView.layer.removeAnimation(forKey: "rotationAnimation")
        
        let rotationAnimation = CABasicAnimation(keyPath: "transform.rotation.z")
        rotationAnimation.fromValue = 0
        rotationAnimation.toValue = Double.pi * 2 // 360°
        rotationAnimation.duration = 1.0
        rotationAnimation.repeatCount = .infinity // 无限循环
        rotationAnimation.isRemovedOnCompletion = false
        rotationAnimation.fillMode = .forwards
        
        speakingImgView.layer.add(rotationAnimation, forKey: "rotationAnimation")
    }
    
    func stopRotating() {
        tipsLab.text = " "
        speakingImgView.isHidden = true
        speakingImgView.layer.removeAnimation(forKey: "rotationAnimation")
    }
}