import Foundation
import XuqmSDK

enum AppRoute: Hashable {
    case chat(targetId: String, targetName: String)
}

struct DemoUser: Identifiable {
    let id: String
    let userId: String
    let nickname: String
    let avatar: String?
}

enum LoginState: Equatable {
    case idle
    case loading
    case success
    case error(String)
}

enum ConversationLoadState: Equatable {
    case idle
    case loading
    case loaded
    case error(String)
}

struct MessageItem: Identifiable {
    let id: String
    let message: ImMessage
    let isOwn: Bool
}

func parseMessageText(_ message: ImMessage) -> String {
    if message.msgType == .text {
        if let data = message.content.data(using: .utf8),
           let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
           let text = json["text"] as? String {
            return text
        }
        return message.content
    }
    return messagePreview(message)
}

func messagePreview(_ message: ImMessage) -> String {
    switch message.msgType {
    case .image: return "[图片]"
    case .video: return "[视频]"
    case .audio: return "[语音]"
    case .file: return "[文件]"
    case .location: return "[位置]"
    case .custom: return "[自定义]"
    case .richText: return "[富文本]"
    case .forward: return "[转发]"
    case .quote: return "[引用]"
    case .merge: return "[合并转发]"
    case .callAudio: return "[语音通话]"
    case .callVideo: return "[视频通话]"
    case .revoked: return "[消息已撤回]"
    case .notify: return message.content
    case .text: return message.content
    }
}

func conversationPreview(_ conversation: ConversationData) -> String {
    switch conversation.lastMsgType?.uppercased() {
    case "TEXT": return conversation.lastMsgContent ?? ""
    case "IMAGE": return "[图片]"
    case "VIDEO": return "[视频]"
    case "AUDIO": return "[语音]"
    case "FILE": return "[文件]"
    case "LOCATION": return "[位置]"
    case "CUSTOM": return "[自定义]"
    case "RICH_TEXT": return "[富文本]"
    case "FORWARD": return "[转发]"
    case "QUOTE": return "[引用]"
    case "MERGE": return "[合并转发]"
    case "CALL_AUDIO": return "[语音通话]"
    case "CALL_VIDEO": return "[视频通话]"
    case "REVOKED": return "[消息已撤回]"
    case "NOTIFY": return conversation.lastMsgContent ?? "[通知]"
    default: return conversation.lastMsgContent ?? ""
    }
}

func statusLabel(_ status: MsgStatus) -> String {
    switch status {
    case .sending: return "发送中"
    case .sent: return "已发送"
    case .delivered: return "已送达"
    case .read: return "已读"
    case .failed: return "发送失败"
    case .revoked: return "已撤回"
    }
}

func formatConversationTime(_ timestamp: Int64) -> String {
    let date = Date(timeIntervalSince1970: Double(timestamp) / 1000)
    let formatter = DateFormatter()
    formatter.locale = Locale(identifier: "zh_CN")
    if Calendar.current.isDateInToday(date) {
        formatter.dateFormat = "HH:mm"
    } else if Calendar.current.isDateInYesterday(date) {
        return "昨天"
    } else {
        formatter.dateFormat = "MM-dd"
    }
    return formatter.string(from: date)
}