import SwiftUI

// MARK: - 联系人信息输入组件
struct ContactInputView: View {
    @Binding var firstName: String
    @Binding var lastName: String
    @Binding var phone: String
    @Binding var email: String
    @Binding var company: String
    @Binding var title: String
    @Binding var address: String
    @Binding var website: String
    @FocusState var focusedField: ContactField?
    
    // 联系人字段枚举
    enum ContactField: Hashable {
        case firstName, lastName, phone, email, company, title, address, website
    }
    
    var body: some View {
        VStack(spacing: 16) {
            // 姓名
            HStack(spacing: 12) {
                VStack(alignment: .leading, spacing: 8) {
                    HStack {
                        Text("名")
                            .font(.subheadline)
                            .foregroundColor(.primary)
                        Text("*")
                            .foregroundColor(.red)
                        Spacer()
                    }
                    
                    TextField("名", text: $firstName)
                        .textFieldStyle(RoundedBorderTextFieldStyle())
                        .focused($focusedField, equals: .firstName)
                }
                
                VStack(alignment: .leading, spacing: 8) {
                    HStack {
                        Text("姓")
                            .font(.subheadline)
                            .foregroundColor(.primary)
                        Text("*")
                            .foregroundColor(.red)
                        Spacer()
                    }
                    
                    TextField("姓", text: $lastName)
                        .textFieldStyle(RoundedBorderTextFieldStyle())
                        .focused($focusedField, equals: .lastName)
                }
            }
            
            // 电话
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text("电话")
                        .font(.subheadline)
                        .foregroundColor(.primary)
                    Spacer()
                }
                
                TextField("+86 138 0013 8000", text: $phone)
                    .textFieldStyle(RoundedBorderTextFieldStyle())
                    .keyboardType(.phonePad)
                    .focused($focusedField, equals: .phone)
            }
            
            // 邮箱
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text("邮箱")
                        .font(.subheadline)
                        .foregroundColor(.primary)
                    Spacer()
                }
                
                TextField("user@example.com", text: $email)
                    .textFieldStyle(RoundedBorderTextFieldStyle())
                    .keyboardType(.emailAddress)
                    .autocapitalization(.none)
                    .focused($focusedField, equals: .email)
            }
            
            // 公司
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text("公司")
                        .font(.subheadline)
                        .foregroundColor(.primary)
                    Spacer()
                }
                
                TextField("公司名称", text: $company)
                    .textFieldStyle(RoundedBorderTextFieldStyle())
                    .focused($focusedField, equals: .company)
            }
            
            // 职位
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text("职位")
                        .font(.subheadline)
                        .foregroundColor(.primary)
                    Spacer()
                }
                
                TextField("职位名称", text: $title)
                    .textFieldStyle(RoundedBorderTextFieldStyle())
                    .focused($focusedField, equals: .title)
            }
            
            // 地址
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text("地址")
                        .font(.subheadline)
                        .foregroundColor(.primary)
                    Spacer()
                }
                
                TextField("详细地址", text: $address)
                    .textFieldStyle(RoundedBorderTextFieldStyle())
                    .focused($focusedField, equals: .address)
            }
            
            // 网站
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text("网站")
                        .font(.subheadline)
                        .foregroundColor(.primary)
                    Spacer()
                }
                
                TextField("https://example.com", text: $website)
                    .textFieldStyle(RoundedBorderTextFieldStyle())
                    .keyboardType(.URL)
                    .autocapitalization(.none)
                    .focused($focusedField, equals: .website)
            }
        }
        .toolbar {
            ToolbarItemGroup(placement: .keyboard) {
                Spacer()
                Button("完成") {
                    focusedField = nil
                }
                .foregroundColor(.blue)
                .font(.system(size: 16, weight: .medium))
            }
        }
    }
}

#Preview {
    ContactInputView(
        firstName: .constant(""),
        lastName: .constant(""),
        phone: .constant(""),
        email: .constant(""),
        company: .constant(""),
        title: .constant(""),
        address: .constant(""),
        website: .constant("")
    )
}