//
//  CameraTransferTask.swift
//  suixinkan
//
//  Created by Codex on 2026/6/29.
//

import Foundation

/// 相机传输任务状态。
enum CameraTransferStatus: String, Codable, Equatable {
    case pending
    case downloading
    case downloaded
    case uploading
    case uploaded
    case failed
}

/// 相机传输任务，表示从相机下载到上传登记的单条记录。
struct CameraTransferTask: Identifiable, Equatable, Codable {
    let id: UUID
    let assetID: String
    let filename: String
    var localPath: String?
    var remoteURL: String?
    var status: CameraTransferStatus
    var progress: Int
    var errorMessage: String?

    init(
        id: UUID = UUID(),
        assetID: String,
        filename: String,
        localPath: String? = nil,
        remoteURL: String? = nil,
        status: CameraTransferStatus = .pending,
        progress: Int = 0,
        errorMessage: String? = nil
    ) {
        self.id = id
        self.assetID = assetID
        self.filename = filename
        self.localPath = localPath
        self.remoteURL = remoteURL
        self.status = status
        self.progress = progress
        self.errorMessage = errorMessage
    }

    /// 本地文件 URL，支持相对路径与旧版绝对路径。
    var localURL: URL? {
        guard let localPath, !localPath.isEmpty else { return nil }
        return CameraDownloadStorage.resolveLocalURL(from: localPath)
    }
}