@page "/admin/clients/create"
@page "/admin/clients/{Id:int}/edit"
@attribute [Authorize]
@using TaxBaik.Application.DTOs
@using TaxBaik.Web.Services
@using TaxBaik.Domain.Entities
@inject IClientBrowserClient ClientClient
@inject NavigationManager Navigation
@inject IJSRuntime JS

<PageTitle>@(Id.HasValue ? "고객 수정" : "고객 등록")</PageTitle>
<section class="admin-page-hero">
    <div>
        <div class="admin-eyebrow">CRM</div>
        <h1 class="admin-page-title">@(Id.HasValue ? "고객 수정" : "고객 등록")</h1>
    </div>
    <button type="button" class="site-button secondary" @onclick='() => Navigation.NavigateTo("/taxbaik/admin/clients")'>목록으로</button>
</section>

<div class="admin-surface" style="max-width:720px;">
    @if (isLoading)
    {
        <Skeleton Count="5" CssClass="taxbaik-skeleton-grid" />
    }
    else
    {
        <form class="admin-dialog-card" @onsubmit="SaveAsync" @onsubmit:preventDefault="true">
            <label>고객명 * <input class="admin-input" @bind="dto.Name" /></label>
            <label>회사명 <input class="admin-input" @bind="dto.CompanyName" /></label>
            <label>연락처 <input class="admin-input" @bind="dto.Phone" /></label>
            <label>이메일 <input class="admin-input" type="email" @bind="dto.Email" /></label>
            <label>서비스 유형
                <select class="admin-input" @bind="dto.ServiceType">
                    <option value="">선택하세요</option>
                    @foreach (var t in ClientService.ServiceTypes)
                    {
                        <option value="@t">@t</option>
                    }
                </select>
            </label>
            <label>세금 유형
                <select class="admin-input" @bind="dto.TaxType">
                    <option value="">선택하세요</option>
                    @foreach (var t in ClientService.TaxTypes)
                    {
                        <option value="@t">@t</option>
                    }
                </select>
            </label>
            <label>상태
                <select class="admin-input" @bind="dto.Status">
                    <option value="active">활성</option>
                    <option value="inactive">비활성</option>
                </select>
            </label>
            <label>유입 경로
                <select class="admin-input" @bind="dto.Source">
                    <option value="">선택하세요</option>
                    @foreach (var s in ClientService.Sources)
                    {
                        <option value="@s">@s</option>
                    }
                </select>
            </label>
            <label>메모 <textarea class="admin-input" rows="4" @bind="dto.Memo"></textarea></label>
            <div class="admin-dialog-actions">
                <button type="submit" class="site-button primary" disabled="@isSaving">저장</button>
                <button type="button" class="site-button secondary" @onclick='() => Navigation.NavigateTo("/taxbaik/admin/clients")'>취소</button>
            </div>
        </form>
    }
</div>

@code {
    [Parameter] public int? Id { get; set; }
    private CreateClientDto dto = new() { Status = "active" };
    private bool isLoading = true;
    private bool isSaving;

    protected override async Task OnInitializedAsync()
    {
        if (Id.HasValue)
        {
            try
            {
                var client = await ClientClient.GetByIdAsync(Id.Value);
                if (client is null)
                {
                    await JS.InvokeVoidAsync("alert", "고객을 찾을 수 없습니다.");
                    Navigation.NavigateTo("/taxbaik/admin/clients");
                    return;
                }
                dto = new CreateClientDto
                {
                    Name = client.Name,
                    CompanyName = client.CompanyName,
                    Phone = client.Phone,
                    Email = client.Email,
                    ServiceType = client.ServiceType,
                    TaxType = client.TaxType,
                    Status = client.Status,
                    Source = client.Source,
                    Memo = client.Memo
                };
        }
        catch (Exception ex)
        {
            await JS.InvokeVoidAsync("alert", $"오류: {ex.Message}");
            Navigation.NavigateTo("/taxbaik/admin/clients");
            return;
        }
        }
        isLoading = false;
    }

    private async Task SaveAsync()
    {
        isSaving = true;
        try
        {
            if (string.IsNullOrWhiteSpace(dto.Name))
            {
                await JS.InvokeVoidAsync("alert", "고객명을 입력하세요.");
                return;
            }
            if (Id.HasValue)
            {
                var result = await ClientClient.UpdateAsync(Id.Value, dto);
                await JS.InvokeVoidAsync("alert", result != null ? "고객 정보가 수정되었습니다." : "수정에 실패했습니다.");
            }
            else
            {
                var result = await ClientClient.CreateAsync(dto);
                await JS.InvokeVoidAsync("alert", result != null ? "고객이 등록되었습니다." : "등록에 실패했습니다.");
            }
            Navigation.NavigateTo("/taxbaik/admin/clients");
        }
        catch (Exception ex)
        {
            await JS.InvokeVoidAsync("alert", $"저장 실패: {ex.Message}");
        }
        finally
        {
            isSaving = false;
        }
    }
}