//
//  Player.swift
//  BerryLeaderboards
//
//  Created by Lncvrt on 6/9/25.
//

import Foundation

struct LeaderboardResponse: Codable {
    let success: Bool
    let message: String?
    let data: [PlayerData]
}

struct PlayerData: Codable {
    let id: Int
    let username: String
    let value: Int
    let icon: IntOrString
    let overlay: IntOrString
    let birdColor: [Int]
    let overlayColor: [Int]
    let customIcon: String?
}

enum IntOrString: Codable {
    case int(Int)
    case string(String)
    
    init(from decoder: Decoder) throws {
        let container = try decoder.singleValueContainer()
        if let int = try? container.decode(Int.self) {
            self = .int(int)
        } else if let str = try? container.decode(String.self) {
            self = .string(str)
        } else {
            throw DecodingError.dataCorrupted(.init(codingPath: decoder.codingPath, debugDescription: "Invalid value"))
        }
    }
    
    func encode(to encoder: Encoder) throws {
        var container = encoder.singleValueContainer()
        switch self {
        case .int(let i): try container.encode(i)
        case .string(let s): try container.encode(s)
        }
    }
}

struct Player: Codable {
    let username: String
    let score: Int
}

func parseLeaderboard(_ raw: String) -> [Player] {
    guard let data = raw.data(using: .utf8) else { return [] }
    guard let response = try? JSONDecoder().decode(LeaderboardResponse.self, from: data) else { return [] }
    return response.data.map { Player(username: $0.username, score: $0.value) }
}