@page "/admin/dashboard"
@attribute [Authorize]
@using TaxBaik.Web.Services
@inject IAdminDashboardClient DashboardClient
@inject NavigationManager Nav

<PageTitle>대시보드</PageTitle>

<section class="admin-page-hero">
    <div>
        <div class="admin-eyebrow">Overview</div>
        <h1 class="admin-page-title">대시보드</h1>
        <p class="admin-page-subtitle">문의 흐름과 콘텐츠 상태를 한 화면에서 확인합니다.</p>
    </div>
    <button type="button" class="site-button primary" @onclick='() => Nav.NavigateTo("/taxbaik/admin/blog/create")'>새 포스트 작성</button>
</section>

@if (summary is null)
{
    <div class="admin-metric-grid">
        <Skeleton Count="4" CssClass="taxbaik-skeleton-grid" />
    </div>
    <div class="admin-surface mt-4">
        <Skeleton Count="4" CssClass="taxbaik-skeleton-grid" />
    </div>
    <div class="admin-surface mt-4">
        <Skeleton Count="4" CssClass="taxbaik-skeleton-grid" />
    </div>
}
else
{
    <div class="admin-metric-grid">
        <div class="admin-metric-card accent-blue cursor-pointer" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/inquiries"))'>
            <div class="metric-card-inner">
                <span class="metric-label">이번달 문의</span>
                <div class="metric-value-row">
                    <span class="metric-value blue">@summary.ThisMonthInquiries</span>
                    <span class="metric-icon">💬</span>
                </div>
                <span class="metric-hint">월간 상담 유입</span>
            </div>
        </div>

        <div class="admin-metric-card accent-amber cursor-pointer" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/inquiries?status=new"))'>
            <div class="metric-card-inner">
                <span class="metric-label">신규 문의</span>
                <div class="metric-value-row">
                    <span class="metric-value amber">@summary.NewInquiries</span>
                    <span class="metric-icon">⚠️</span>
                </div>
                <span class="metric-hint">처리 대기</span>
            </div>
        </div>

        <div class="admin-metric-card accent-slate cursor-pointer" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/blog"))'>
            <div class="metric-card-inner">
                <span class="metric-label">전체 포스트</span>
                <div class="metric-value-row">
                    <span class="metric-value slate">@summary.TotalPosts</span>
                    <span class="metric-icon">📄</span>
                </div>
                <span class="metric-hint">콘텐츠 자산</span>
            </div>
        </div>

        <div class="admin-metric-card accent-green cursor-pointer" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/blog"))'>
            <div class="metric-card-inner">
                <span class="metric-label">발행된 포스트</span>
                <div class="metric-value-row">
                    <span class="metric-value green">@summary.PublishedPosts</span>
                    <span class="metric-icon">🌐</span>
                </div>
                <span class="metric-hint">검색 노출 대상</span>
            </div>
        </div>
    </div>
}

@if (upcomingFilings.Count == 0)
{
    <div class="admin-surface mt-4">이번 달 마감 임박 신고가 없습니다.</div>
}
else
{
    <div class="admin-surface mt-4">
        <div class="admin-section-header">
            <div>
                <h3 class="admin-section-title">이번 달 마감 임박 신고</h3>
                <p class="muted">30일 이내 신고 예정 건</p>
            </div>
            <a class="site-button secondary" href="/taxbaik/admin/tax-filings">전체 일정 보기</a>
        </div>
        <div class="admin-table-wrap">
            <table class="admin-table">
                <thead>
                    <tr>
                        <th>고객</th>
                        <th>신고 유형</th>
                        <th>기한</th>
                        <th>D-day</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach (var f in upcomingFilings)
                    {
                        var dday = (f.DueDate.Date - DateTime.Today).Days;
                        <tr>
                            <td><a href="@($"/taxbaik/admin/clients/{f.ClientId}")">@f.ClientName</a></td>
                            <td>@f.FilingType</td>
                            <td>@f.DueDate.ToString("yyyy-MM-dd")</td>
                            <td>
                                @if (dday < 0)
                                {
                                    <span class="status-pill dark">기한 초과 (@(-dday)일)</span>
                                }
                                else if (dday <= 7)
                                {
                                    <span class="status-pill danger">D-@dday</span>
                                }
                                else
                                {
                                    <span>D-@dday</span>
                                }
                            </td>
                        </tr>
                    }
                </tbody>
            </table>
        </div>
    </div>
}

@if (summary is not null)
{
    <div class="admin-surface mt-4">
        <div class="admin-section-header">
            <div>
                <h3 class="admin-section-title">최근 문의</h3>
                <p class="muted">최근 유입된 상담 요청을 빠르게 확인합니다.</p>
            </div>
            <a class="site-button secondary" href="/taxbaik/admin/inquiries">문의 전체 보기</a>
        </div>
        <div class="admin-table-wrap">
            <table class="admin-table">
                <thead>
                    <tr>
                        <th>이름</th>
                        <th>전화</th>
                        <th>분야</th>
                        <th>상태</th>
                        <th>날짜</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach (var inquiry in summary.RecentInquiries)
                    {
                        <tr>
                            <td><a href="@($"/taxbaik/admin/inquiries/{inquiry.Id}")">@inquiry.Name</a></td>
                            <td>@inquiry.Phone</td>
                            <td>@inquiry.ServiceType</td>
                            <td><span class="status-pill @GetStatusClass(inquiry.Status)">@GetStatusLabel(inquiry.Status)</span></td>
                            <td>@inquiry.CreatedAt.ToString("yyyy-MM-dd")</td>
                        </tr>
                    }
                </tbody>
            </table>
        </div>
    </div>
}

@code {
    [CascadingParameter]
    private Task<AuthenticationState>? AuthStateTask { get; set; }

    private AdminDashboardSummary? summary;
    private List<Domain.Entities.TaxFiling> upcomingFilings = [];

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender && AuthStateTask != null)
        {
            var authState = await AuthStateTask;
            if (authState.User.Identity?.IsAuthenticated == true)
            {
                try
                {
                    var summaryTask = DashboardClient.GetSummaryAsync();
                    var filingsTask = DashboardClient.GetUpcomingFilingsAsync(30);
                    await Task.WhenAll(summaryTask, filingsTask);
                    summary = await summaryTask;
                    upcomingFilings = (await filingsTask).ToList();
                }
                catch (Exception ex)
                {
                    Console.Error.WriteLine($"Dashboard error: {ex.Message}");
                }
                StateHasChanged();
            }
        }
    }

    private static string GetStatusLabel(string status) => InquiryStatusMapper.Labels.GetValueOrDefault(status, status);
    private static string GetStatusClass(string status) => status switch
    {
        "new" => "warning",
        "consulting" => "info",
        "contracted" => "success",
        "rejected" => "danger",
        "closed" => "dark",
        _ => "default"
    };
}