mycode/myApp/Haru_Danim/IOS/ContentView.swift

//
//  ContentView.swift
//  Haru_Danim
//
//  스플래시 + 6개 탭 구조 (CLAUDE.md §5)
//

import SwiftUI
import SwiftData

struct ContentView: View {
    @Environment(\.modelContext) private var context
    @AppStorage(SettingsKeys.theme) private var theme: String = "light"
    @State private var showSplash = true

    var body: some View {
        ZStack {
            MainTabView()
            if showSplash {
                SplashView()
                    .transition(.opacity)
                    .zIndex(1)
            }
        }
        .tint(AppTheme.green)
        .preferredColorScheme(theme == "dark" ? .dark : .light)
        .task {
            #if DEBUG
            DebugSeed.seedIfRequested(context: context)
            DebugSeed.autoStartIfRequested(context: context)
            #endif
            try? await Task.sleep(for: .seconds(1.2))
            withAnimation(.easeOut(duration: 0.4)) {
                showSplash = false
            }
        }
    }
}

// MARK: - 스플래시 (앱 로고 + 앱 이름, CLAUDE.md §5.1)

struct SplashView: View {
    @State private var appeared = false

    var body: some View {
        ZStack {
            // 로고 배경(웜 화이트)과 이어지도록 라이트/다크 공통 배경 사용
            AppTheme.background.ignoresSafeArea()
            VStack(spacing: 18) {
                Image("AppLogo")
                    .resizable()
                    .scaledToFit()
                    .frame(width: 150, height: 150)
                    .clipShape(RoundedRectangle(cornerRadius: 34, style: .continuous))
                    .shadow(color: .black.opacity(0.12), radius: 14, y: 6)
                    .scaleEffect(appeared ? 1 : 0.85)
                    .opacity(appeared ? 1 : 0)
                Text("하루 다님")
                    .font(.largeTitle.bold())
                    .foregroundStyle(AppTheme.green)
                    .opacity(appeared ? 1 : 0)
                Text("하루 습관 및 시간 추적")
                    .font(.subheadline)
                    .foregroundStyle(.secondary)
                    .opacity(appeared ? 1 : 0)
            }
        }
        .onAppear {
            withAnimation(.spring(duration: 0.5)) {
                appeared = true
            }
        }
    }
}

// MARK: - 탭 구조 (총 6개, 순서 고정 — 시스템 탭바는 5개 초과 시 접히므로 커스텀 탭바 사용)

enum AppTab: String, CaseIterable, Identifiable {
    case main, action, tag, goal, history, settings

    var id: String { rawValue }

    var label: String {
        switch self {
        case .main: return "메인"
        case .action: return "행동"
        case .tag: return "꼬리표"
        case .goal: return "목표"
        case .history: return "기록"
        case .settings: return "설정"
        }
    }

    var symbol: String {
        switch self {
        case .main: return "square.grid.2x2.fill"
        case .action: return "figure.walk"
        case .tag: return "tag.fill"
        case .goal: return "flag.checkered"
        case .history: return "calendar"
        case .settings: return "gearshape.fill"
        }
    }
}

struct MainTabView: View {
    @State private var selection: AppTab = {
        #if DEBUG
        if let raw = UserDefaults.standard.string(forKey: "startTab"),
           let tab = AppTab(rawValue: raw) {
            return tab
        }
        #endif
        return .main
    }()

    var body: some View {
        ZStack {
            switch selection {
            case .main: MainView()
            case .action: ActionListView()
            case .tag: TagListView()
            case .goal: GoalListView()
            case .history: HistoryView()
            case .settings: SettingsView()
            }
        }
        .frame(maxWidth: .infinity, maxHeight: .infinity)
        .safeAreaInset(edge: .bottom) {
            tabBar
        }
        .background(AppTheme.background)
    }

    /// 리퀴드 글라스 스타일의 플로팅 탭바
    private var tabBar: some View {
        HStack(spacing: 0) {
            ForEach(AppTab.allCases) { tab in
                Button {
                    withAnimation(.spring(duration: 0.25)) {
                        selection = tab
                    }
                } label: {
                    VStack(spacing: 3) {
                        Image(systemName: tab.symbol)
                            .font(.system(size: 19, weight: .medium))
                        Text(tab.label)
                            .font(.system(size: 10, weight: .semibold))
                    }
                    .frame(maxWidth: .infinity)
                    .padding(.vertical, 8)
                    .background {
                        if selection == tab {
                            RoundedRectangle(cornerRadius: 14, style: .continuous)
                                .fill(AppTheme.green.opacity(0.16))
                        }
                    }
                    .foregroundStyle(selection == tab ? AppTheme.green : Color.secondary)
                }
                .buttonStyle(.plain)
            }
        }
        .padding(6)
        .glassEffect(.regular, in: RoundedRectangle(cornerRadius: 26, style: .continuous))
        .padding(.horizontal, 10)
        .padding(.bottom, 4)
    }
}

#Preview {
    ContentView()
        .modelContainer(for: [
            Tag.self, Action.self, TimeSession.self,
            CountEntry.self, Goal.self, Quest.self,
        ], inMemory: true)
}