//
//  CircleMember.swift
//  QuickLocation
//

import Foundation
import CoreLocation

struct CircleMember {
    let id: String
    let name: String
    let avatar: String
    let isOnline: Bool
    let isOwner: Bool
    let coordinate: CLLocationCoordinate2D
    let address: String
    let heading: Double
    let lastUpdateText: String

    var isCurrentUser: Bool { id == "current" }
}

extension CircleMember {
    /// 从 GroupMemberModel 创建地图标注数据
    init(member: GroupMemberModel, isOwner: Bool) {
        id = member.user_id
        name = member.nick_name
        avatar = member.head_pic
        isOnline = member.is_online
        self.isOwner = isOwner
        let (coord, addr) = Self.parsePosition(member.last_position)
        coordinate = coord
        address = addr
        heading = 0
        lastUpdateText = member.is_online ? "在线" : "离线"
    }

    /// 解析 last_position：格式 "lat:lng:address"
    private static func parsePosition(_ position: String) -> (CLLocationCoordinate2D, String) {
        guard !position.isEmpty else { return (kCLLocationCoordinate2DInvalid, "") }
        let parts = position.components(separatedBy: ":")
        guard parts.count >= 2,
              let lat = Double(parts[0]),
              let lng = Double(parts[1]),
              CLLocationCoordinate2DIsValid(CLLocationCoordinate2D(latitude: lat, longitude: lng)) else {
            return (kCLLocationCoordinate2DInvalid, "")
        }
        let addr = parts.count >= 3 ? parts[2] : ""
        return (CLLocationCoordinate2D(latitude: lat, longitude: lng), addr)
    }
}