//
//  Models.swift
//  Runner
//
//  Created by Groot on 2025/5/9.
//

import Foundation
import MapKit

extension Decodable {
    static func fromJson(json: [String: Any]) -> Self? {
        guard let data = try? JSONSerialization.data(withJSONObject: json, options: []) else {
            return nil
        }
        return try? JSONDecoder().decode(Self.self, from: data)
    }
}

extension Encodable {
    func toJson() -> [String: Any] {
        guard let data = try? JSONEncoder().encode(self) else {
            return [:]
        }
        return try! JSONSerialization.jsonObject(with: data, options: []) as! [String: Any]
    }
}

struct ATMapCameraPosition: Codable {
    var latitude: CGFloat
    var longitude: CGFloat
    // 地图缩放比例，对应span
    var zoom: CGFloat
}

class ATMapPolyline: NSObject, Codable {
    var id: String = UUID().uuidString
    var points: [CLLocationCoordinate2D]

    var polyline: MKPolyline {
        return MKPolyline(coordinates: points, count: points.count)
    }

    init(points: [CLLocationCoordinate2D]) {
        self.points = points
    }
}

class ATMapMarker: NSObject, Codable {
    var id: String
    var markerName: String
    var latitude: CGFloat
    var longitude: CGFloat
    var isSelected: Bool
    var markerType: any MapMarkerSupportType

    enum CodingKeys: String, CodingKey {
        case id, markerName, latitude, longitude, isSelected, markerType
    }

    required init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        id = try container.decode(String.self, forKey: .id)
        markerName = try container.decode(String.self, forKey: .markerName)
        latitude = try container.decode(CGFloat.self, forKey: .latitude)
        longitude = try container.decode(CGFloat.self, forKey: .longitude)
        isSelected = try container.decode(Bool.self, forKey: .isSelected)
        
        // 使用工厂方法创建正确类型的markerType
        let rawValue = try container.decode(Int.self, forKey: .markerType)
        markerType = MarkerTypeFactory.markerType(from: rawValue)
    }

    func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encode(id, forKey: .id)
        try container.encode(markerName, forKey: .markerName)
        try container.encode(latitude, forKey: .latitude)
        try container.encode(longitude, forKey: .longitude)
        try container.encode(isSelected, forKey: .isSelected)
        try container.encode(markerType.rawValue, forKey: .markerType)
    }
}

extension ATMapMarker: MKAnnotation {
    var coordinate: CLLocationCoordinate2D {
        return CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
    }
}

extension CLLocationCoordinate2D: Codable {
    enum CodingKeys: String, CodingKey {
        case latitude
        case longitude
    }
    
    public init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        let latitude = try container.decode(Double.self, forKey: .latitude)
        let longitude = try container.decode(Double.self, forKey: .longitude)
        self.init(latitude: latitude, longitude: longitude)
    }
    
    public func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encode(latitude, forKey: .latitude)
        try container.encode(longitude, forKey: .longitude)
    }
}