@page "/admin/clients/{ClientId:int}"
@attribute [Authorize]
@using TaxBaik.Application.Services
@inject ClientService ClientService
@inject ConsultationService ConsultationService
@inject NavigationManager Navigation
@inject IJSRuntime JS

<PageTitle>고객 상세</PageTitle>
<section class="admin-page-hero">
    <div>
        <div class="admin-eyebrow">Client Details</div>
        <h1 class="admin-page-title">고객 상세</h1>
        <p class="admin-page-subtitle">고객 정보와 상담 이력을 관리합니다.</p>
    </div>
</section>

@if (client == null)
{
    <div class="admin-surface mt-4">고객을 찾을 수 없습니다.</div>
}
else
{
    <div class="admin-page-actions">
        <button type="button" class="site-button secondary" @onclick='() => Navigation.NavigateTo("/taxbaik/admin/clients")'>목록으로</button>
        <a class="site-button secondary" href="@($"/taxbaik/admin/clients/{ClientId}/edit")">수정</a>
    </div>

    <div class="admin-detail-grid">
        <section class="admin-surface">
            <h3 class="admin-section-title">고객 정보</h3>
            <div class="admin-kv-grid">
                <div><span>이름</span><strong>@client.Name</strong></div>
                <div><span>상호</span><strong>@(client.CompanyName ?? "-")</strong></div>
                <div><span>연락처</span><strong>@(client.Phone ?? "-")</strong></div>
                <div><span>이메일</span><strong>@(client.Email ?? "-")</strong></div>
                <div><span>서비스</span><strong>@(client.ServiceType ?? "-")</strong></div>
                <div><span>사업자 유형</span><strong>@(client.TaxType ?? "-")</strong></div>
                <div><span>유입 경로</span><strong>@(client.Source ?? "-")</strong></div>
                <div><span>등록일</span><strong>@client.CreatedAt.ToLocalTime().ToString("yyyy-MM-dd")</strong></div>
                @if (!string.IsNullOrWhiteSpace(client.Memo))
                {
                    <div class="span-2"><span>메모</span><strong style="white-space: pre-wrap;">@client.Memo</strong></div>
                }
            </div>
        </section>

        <section class="admin-surface">
            <div class="admin-section-header compact">
                <div>
                    <h3 class="admin-section-title">상담 이력</h3>
                </div>
                <button type="button" class="site-button primary" @onclick="OpenAddConsultation">+ 상담 추가</button>
            </div>

            @if (showAddForm)
            {
                <form class="admin-dialog-card mb-4" @onsubmit="AddConsultation" @onsubmit:preventDefault="true">
                    <label>상담일 <input class="admin-input" type="text" placeholder="2026-06-29" @bind="ConsultationDateText" /></label>
                    <label>서비스 분야
                        <select class="admin-input" @bind="newServiceType">
                            <option value="">선택하세요</option>
                            @foreach (var t in ClientService.ServiceTypes)
                            {
                                <option value="@t">@t</option>
                            }
                        </select>
                    </label>
                    <label>상담 내용 * <textarea class="admin-input" rows="3" @bind="newSummary"></textarea></label>
                    <label>결과
                        <select class="admin-input" @bind="newResult">
                            <option value="">-</option>
                            @foreach (var r in ConsultationService.Results)
                            {
                                <option value="@r">@r</option>
                            }
                        </select>
                    </label>
                    <label>수임료 (원) <input class="admin-input" type="text" placeholder="100000" @bind="FeeText" /></label>
                    <div class="admin-dialog-actions">
                        <button type="submit" class="site-button primary">저장</button>
                        <button type="button" class="site-button secondary" @onclick='() => showAddForm = false'>취소</button>
                    </div>
                </form>
            }

            @if (consultations.Count == 0)
            {
                <p class="muted">상담 이력이 없습니다.</p>
            }
            else
            {
                <div class="admin-activity-list">
                    @foreach (var c in consultations)
                    {
                        <article class="admin-activity-card">
                            <div class="admin-activity-head">
                                <div>
                                    <span class="muted">@c.ConsultationDate.ToString("yyyy-MM-dd") @(string.IsNullOrEmpty(c.ServiceType) ? "" : $"· {c.ServiceType}")</span>
                                </div>
                                <button type="button" class="admin-icon-button danger" @onclick="@(() => DeleteConsultation(c.Id))">✕</button>
                            </div>
                            <p style="white-space: pre-wrap;">@c.Summary</p>
                            @if (!string.IsNullOrEmpty(c.Result))
                            {
                                <span class="status-pill info">@c.Result</span>
                            }
                            @if (c.Fee.HasValue)
                            {
                                <div class="muted">수임료: @c.Fee.Value.ToString("N0")원</div>
                            }
                        </article>
                    }
                </div>
            }
        </section>
    </div>
}

@code {
    [Parameter] public int ClientId { get; set; }
    private Domain.Entities.Client? client;
    private List<Domain.Entities.Consultation> consultations = [];
    private bool showAddForm;
    private DateTime? newDate = DateTime.Today;
    private string newServiceType = "";
    private string newSummary = "";
    private string newResult = "";
    private decimal? newFee;

    private string ConsultationDateText { get => newDate?.ToString("yyyy-MM-dd") ?? ""; set => newDate = DateTime.TryParse(value, out var dt) ? dt : null; }
    private string FeeText { get => newFee?.ToString() ?? ""; set => newFee = decimal.TryParse(value, out var d) ? d : null; }

    protected override async Task OnInitializedAsync() => await LoadAll();

    private async Task LoadAll()
    {
        client = await ClientService.GetByIdAsync(ClientId);
        consultations = (await ConsultationService.GetByClientIdAsync(ClientId)).ToList();
    }

    private void OpenAddConsultation()
    {
        showAddForm = true;
        newDate = DateTime.Today;
        newServiceType = "";
        newSummary = "";
        newResult = "";
        newFee = null;
    }

    private async Task AddConsultation()
    {
        try
        {
            if (string.IsNullOrWhiteSpace(newSummary))
            {
                await JS.InvokeVoidAsync("alert", "상담 내용을 입력하세요.");
                return;
            }

            var c = new Domain.Entities.Consultation
            {
                ClientId = ClientId,
                ConsultationDate = newDate?.ToUniversalTime() ?? DateTime.UtcNow,
                ServiceType = string.IsNullOrWhiteSpace(newServiceType) ? null : newServiceType,
                Summary = newSummary,
                Result = string.IsNullOrWhiteSpace(newResult) ? null : newResult,
                Fee = newFee
            };

            await ConsultationService.CreateAsync(c);
            showAddForm = false;
            consultations = (await ConsultationService.GetByClientIdAsync(ClientId)).ToList();
            await JS.InvokeVoidAsync("alert", "상담이 추가되었습니다.");
        }
        catch (ValidationException ex)
        {
            await JS.InvokeVoidAsync("alert", ex.Message);
        }
    }

    private async Task DeleteConsultation(int id)
    {
        if (!await JS.InvokeAsync<bool>("confirm", "이 상담을 삭제하시겠습니까?")) return;
        await ConsultationService.DeleteAsync(id);
        consultations = (await ConsultationService.GetByClientIdAsync(ClientId)).ToList();
        await JS.InvokeVoidAsync("alert", "삭제되었습니다.");
    }
}