@page "/admin/dashboard"
@attribute [Authorize]
@using TaxBaik.Application.Services
@inject AdminDashboardService DashboardService
@inject TaxFilingService FilingService
@inject NavigationManager Nav

<PageTitle>대시보드</PageTitle>

<section class="admin-page-hero">
    <div>
        <MudText Typo="Typo.caption" Class="admin-eyebrow">Overview</MudText>
        <MudText Typo="Typo.h4" Class="admin-page-title">대시보드</MudText>
        <MudText Typo="Typo.body2" Class="admin-page-subtitle">문의 흐름과 콘텐츠 상태를 한 화면에서 확인합니다.</MudText>
    </div>
    <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Add" Href="/taxbaik/admin/blog/create">
        새 포스트 작성
    </MudButton>
</section>

<MudGrid Class="admin-metric-grid">
    <MudItem xs="12" sm="6" md="3">
        <MudPaper Class="admin-metric-card accent-blue cursor-pointer" Elevation="0" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/inquiries"))' Style="cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;">
            <MudText Typo="Typo.caption">이번달 문의</MudText>
            <div class="d-flex align-center justify-space-between">
                <MudText Typo="Typo.h3">@summary.ThisMonthInquiries</MudText>
                <MudIcon Icon="@Icons.Material.Filled.Forum" Color="Color.Primary" Size="Size.Large" Style="opacity: 0.2;" />
            </div>
            <MudText Typo="Typo.body2">월간 상담 유입 (클릭 시 이동)</MudText>
        </MudPaper>
    </MudItem>

    <MudItem xs="12" sm="6" md="3">
        <MudPaper Class="admin-metric-card accent-amber cursor-pointer" Elevation="0" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/inquiries?status=new"))' Style="cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;">
            <MudText Typo="Typo.caption">신규 문의</MudText>
            <div class="d-flex align-center justify-space-between">
                <MudText Typo="Typo.h3">@summary.NewInquiries</MudText>
                <MudIcon Icon="@Icons.Material.Filled.NotificationImportant" Color="Color.Warning" Size="Size.Large" Style="opacity: 0.2;" />
            </div>
            <MudText Typo="Typo.body2">처리 대기 (클릭 시 이동)</MudText>
        </MudPaper>
    </MudItem>

    <MudItem xs="12" sm="6" md="3">
        <MudPaper Class="admin-metric-card accent-slate cursor-pointer" Elevation="0" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/blog"))' Style="cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;">
            <MudText Typo="Typo.caption">전체 포스트</MudText>
            <div class="d-flex align-center justify-space-between">
                <MudText Typo="Typo.h3">@summary.TotalPosts</MudText>
                <MudIcon Icon="@Icons.Material.Filled.Article" Color="Color.Default" Size="Size.Large" Style="opacity: 0.2;" />
            </div>
            <MudText Typo="Typo.body2">콘텐츠 자산 (클릭 시 이동)</MudText>
        </MudPaper>
    </MudItem>

    <MudItem xs="12" sm="6" md="3">
        <MudPaper Class="admin-metric-card accent-green cursor-pointer" Elevation="0" @onclick='(() => Nav.NavigateTo("/taxbaik/admin/blog"))' Style="cursor: pointer; transition: transform 0.2s, box-shadow 0.2s;">
            <MudText Typo="Typo.caption">발행된 포스트</MudText>
            <div class="d-flex align-center justify-space-between">
                <MudText Typo="Typo.h3">@summary.PublishedPosts</MudText>
                <MudIcon Icon="@Icons.Material.Filled.Public" Color="Color.Success" Size="Size.Large" Style="opacity: 0.2;" />
            </div>
            <MudText Typo="Typo.body2">검색 노출 대상 (클릭 시 이동)</MudText>
        </MudPaper>
    </MudItem>
</MudGrid>

@if (upcomingFilings.Count > 0)
{
    <MudPaper Class="admin-surface mt-4" Elevation="0">
        <div class="admin-section-header">
            <div>
                <MudText Typo="Typo.h6">이번 달 마감 임박 신고</MudText>
                <MudText Typo="Typo.body2">30일 이내 신고 예정 건 (고객명 클릭 시 상세 카드로 연결)</MudText>
            </div>
            <MudButton Variant="Variant.Outlined" Color="Color.Primary" Href="/taxbaik/admin/tax-filings">전체 일정 보기</MudButton>
        </div>
        <MudSimpleTable Striped="true" Dense="true" 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>
                            <MudLink Href="@($"/taxbaik/admin/clients/{f.ClientId}")" Underline="Underline.Hover" Color="Color.Primary" Class="font-weight-bold">
                                @f.ClientName
                            </MudLink>
                        </td>
                        <td>@f.FilingType</td>
                        <td>@f.DueDate.ToString("yyyy-MM-dd")</td>
                        <td>
                            @if (dday < 0)
                            {
                                <MudChip T="string" Size="Size.Small" Color="Color.Dark">기한 초과 (@(-dday)일)</MudChip>
                            }
                            else if (dday <= 7)
                            {
                                <MudChip T="string" Size="Size.Small" Color="Color.Error">D-@dday</MudChip>
                            }
                            else
                            {
                                <span>D-@dday</span>
                            }
                        </td>
                    </tr>
                }
            </tbody>
        </MudSimpleTable>
    </MudPaper>
}

<MudPaper Class="admin-surface mt-4" Elevation="0">
    <div class="admin-section-header">
        <div>
            <MudText Typo="Typo.h6">최근 문의</MudText>
            <MudText Typo="Typo.body2">최근 유입된 상담 요청을 빠르게 확인합니다. (이름 클릭 시 상세 관리 화면으로 연계)</MudText>
        </div>
        <MudButton Variant="Variant.Outlined" Color="Color.Primary" Href="/taxbaik/admin/inquiries">문의 전체 보기</MudButton>
    </div>
    <MudSimpleTable Striped="true" Dense="true" 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>
                        <MudLink Href="@($"/taxbaik/admin/inquiries?id={inquiry.Id}")" Underline="Underline.Hover" Color="Color.Primary" Class="font-weight-bold">
                            @inquiry.Name
                        </MudLink>
                    </td>
                    <td>@inquiry.Phone</td>
                    <td>@inquiry.ServiceType</td>
                    <td>
                        <MudChip T="string" Size="Size.Small" Color="@StatusColor(inquiry.Status)">
                            @GetStatusLabel(inquiry.Status)
                        </MudChip>
                    </td>
                    <td>@inquiry.CreatedAt.ToString("yyyy-MM-dd")</td>
                </tr>
            }
        </tbody>
    </MudSimpleTable>
</MudPaper>

@code {
    private AdminDashboardSummary summary = new(0, 0, 0, 0, []);
    private List<Domain.Entities.TaxFiling> upcomingFilings = [];

    protected override async Task OnInitializedAsync()
    {
        var summaryTask = DashboardService.GetSummaryAsync();
        var filingsTask = FilingService.GetUpcomingAsync(30);
        await Task.WhenAll(summaryTask, filingsTask);
        summary = await summaryTask;
        upcomingFilings = (await filingsTask).ToList();
    }

    private static string GetStatusLabel(string status) => InquiryStatusMapper.Labels.GetValueOrDefault(status, status);

    private static Color StatusColor(string status) => status switch
    {
        "new"        => Color.Warning,
        "consulting" => Color.Info,
        "contracted" => Color.Success,
        "rejected"   => Color.Error,
        "closed"     => Color.Dark,
        _            => Color.Default
    };
}