import SwiftUI

struct SettingsView: View {
    @State private var showWebLogin = false
    @State private var showCookieInput = false
    @State private var showClearAlert = false
    private let cookieManager = CookieManager.shared

    var body: some View {
        Form {
            // 认证状态
            Section("认证") {
                HStack {
                    Label("状态", systemImage: cookieManager.isAuthenticated ? "checkmark.circle.fill" : "xmark.circle")
                        .foregroundStyle(cookieManager.isAuthenticated ? .green : .secondary)
                    Spacer()
                    Text(cookieManager.isAuthenticated ? "已认证" : "未认证")
                        .foregroundStyle(.secondary)
                }

                #if canImport(WebKit)
                Button {
                    showWebLogin = true
                } label: {
                    Label("WebView 登录", systemImage: "globe")
                }
                #endif

                Button {
                    showCookieInput = true
                } label: {
                    Label("手动输入 Cookie", systemImage: "doc.text")
                }

                if cookieManager.isAuthenticated {
                    Button(role: .destructive) {
                        cookieManager.clearCookies()
                    } label: {
                        Label("退出登录", systemImage: "rectangle.portrait.and.arrow.right")
                    }
                }
            }

            // 缓存管理
            Section("数据") {
                Button(role: .destructive) {
                    showClearAlert = true
                } label: {
                    Label("清除观看记录", systemImage: "trash")
                }
            }

            // 关于
            Section("关于") {
                HStack {
                    Text("版本")
                    Spacer()
                    Text("1.0.0")
                        .foregroundStyle(.secondary)
                }
            }
        }
        .formStyle(.grouped)
        .navigationTitle("设置")
        .sheet(isPresented: $showWebLogin) {
            #if canImport(WebKit)
            WebLoginView()
            #endif
        }
        .sheet(isPresented: $showCookieInput) {
            CookieInputView()
        }
        .alert("确认清除", isPresented: $showClearAlert) {
            Button("清除", role: .destructive) {
                WatchProgressStore.shared.clearAll()
            }
            Button("取消", role: .cancel) {}
        } message: {
            Text("将清除所有观看进度记录，此操作不可撤销。")
        }
    }
}