@page "/admin/tax-profiles"
@using TaxBaik.Web.Services.AdminClients
@inject ITaxProfileBrowserClient TaxProfileClient
@inject IClientBrowserClient ClientClient
@inject IJSRuntime JS
@attribute [Authorize]

<PageTitle>세무 프로필</PageTitle>
<section class="admin-page-hero">
    <div>
        <div class="admin-eyebrow">CRM & 세무관리</div>
        <h1 class="admin-page-title">세무 프로필</h1>
        <p class="admin-page-subtitle">고객별 세무 프로필, 신고 일정, 위험도 추적</p>
    </div>
    <button type="button" class="site-button primary" @onclick="OpenCreateDialog">새 프로필 추가</button>
</section>

<div class="admin-surface">
    @if (profiles is null)
    {
        <Skeleton Count="5" CssClass="taxbaik-skeleton-grid" />
    }
    else if (profiles.Count == 0)
    {
        <div class="muted">세무 프로필이 없습니다.</div>
    }
    else
    {
        <div class="admin-table-wrap">
            <table class="admin-table">
                <thead>
                    <tr>
                        <th>ID</th>
                        <th>고객</th>
                        <th>사업 유형</th>
                        <th>위험도</th>
                        <th>다음 신고</th>
                        <th>작업</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach (var item in profiles)
                    {
                        <tr>
                            <td>@item.Id</td>
                            <td>@(clientMap.GetValueOrDefault(item.ClientId, $"Client #{item.ClientId}"))</td>
                            <td>@item.BusinessType</td>
                            <td><span class="status-pill @(item.TaxRiskLevel == "high" ? "danger" : item.TaxRiskLevel == "normal" ? "warning" : "success")">@item.TaxRiskLevel</span></td>
                            <td>@(item.NextFilingDueDate?.ToString("yyyy-MM-dd") ?? "—")</td>
                            <td>
                                <div class="admin-row-actions">
                                    <button type="button" class="admin-icon-button" @onclick="@(async () => await OpenEditDialog(item))">✎</button>
                                    <button type="button" class="admin-icon-button danger" @onclick="@(async () => await DeleteProfile(item.Id))">✕</button>
                                </div>
                            </td>
                        </tr>
                    }
                </tbody>
            </table>
        </div>
    }
</div>

<dialog class="admin-dialog" open="@isDialogOpen">
    <form class="admin-dialog-card" @onsubmit="SaveProfile" @onsubmit:preventDefault="true">
        <h3>@(isEditMode ? "세무 프로필 수정" : "새 세무 프로필 추가")</h3>
        <label>고객
            <select class="admin-input" @bind="ClientIdText">
                <option value="">선택하세요</option>
                @foreach (var client in clients)
                {
                    <option value="@client.Id.ToString()">@GetClientDisplayName(client)</option>
                }
            </select>
        </label>
        <label>사업 유형
            <select class="admin-input" @bind="profileForm.BusinessType">
                <option value="">선택하세요</option>
                <option value="일반제조업">일반제조업</option>
                <option value="도소매업">도소매업</option>
                <option value="서비스업">서비스업</option>
                <option value="정보통신업">정보통신업</option>
                <option value="부동산업">부동산업</option>
                <option value="건설업">건설업</option>
                <option value="음식점업">음식점업</option>
                <option value="프리랜서">프리랜서</option>
                <option value="기타">기타</option>
            </select>
        </label>
        <label>위험도
            <select class="admin-input" @bind="profileForm.TaxRiskLevel">
                <option value="low">낮음</option>
                <option value="normal">보통</option>
                <option value="high">높음</option>
            </select>
        </label>
        <label>다음 신고 예정일 <input class="admin-input" type="text" placeholder="2026-07-01" @bind="NextFilingText" /></label>
        <label>특수 사항 <textarea class="admin-input" rows="3" @bind="profileForm.SpecialNotes"></textarea></label>
        <div class="admin-dialog-actions">
            <button type="button" class="site-button secondary" @onclick="CloseDialog">취소</button>
            <button type="submit" class="site-button primary">저장</button>
        </div>
    </form>
</dialog>

@code {
    [CascadingParameter] private Task<AuthenticationState>? AuthStateTask { get; set; }
    private List<TaxProfile>? profiles;
    private List<Client> clients = [];
    private Dictionary<int, string> clientMap = new();
    private bool isDialogOpen;
    private bool isEditMode;
    private TaxProfile? editingProfile;
    private TaxProfileForm profileForm = new();
    private string ClientIdText { get => profileForm.ClientId > 0 ? profileForm.ClientId.ToString() : ""; set => profileForm.ClientId = int.TryParse(value, out var id) ? id : 0; }
    private string NextFilingText { get => profileForm.NextFilingDueDate?.ToString("yyyy-MM-dd") ?? ""; set => profileForm.NextFilingDueDate = DateTime.TryParse(value, out var dt) ? dt : null; }

    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender && AuthStateTask != null)
        {
            var authState = await AuthStateTask;
            if (authState.User.Identity?.IsAuthenticated == true)
            {
                await LoadData();
                StateHasChanged();
            }
        }
    }

    private async Task LoadData()
    {
        try
        {
            profiles = await TaxProfileClient.GetAllAsync();
            var (clientItems, _) = await ClientClient.GetPagedAsync(pageSize: 1000);
            clients = clientItems.ToList();
            clientMap = clients.ToDictionary(c => c.Id, GetClientDisplayName);
        }
        catch (Exception ex)
        {
            await JS.InvokeVoidAsync("alert", $"데이터 로드 실패: {ex.Message}");
        }
    }

    private void OpenCreateDialog()
    {
        isEditMode = false;
        editingProfile = null;
        profileForm = new TaxProfileForm { ClientId = clients.FirstOrDefault()?.Id ?? 0, TaxRiskLevel = "normal", NextFilingDueDate = DateTime.Today.AddMonths(1) };
        isDialogOpen = true;
    }

    private async Task OpenEditDialog(TaxProfile profile)
    {
        isEditMode = true;
        editingProfile = profile;
        profileForm = new TaxProfileForm
        {
            ClientId = profile.ClientId,
            BusinessType = profile.BusinessType ?? "",
            TaxRiskLevel = profile.TaxRiskLevel,
            NextFilingDueDate = profile.NextFilingDueDate,
            SpecialNotes = profile.SpecialNotes
        };
        isDialogOpen = true;
        await Task.CompletedTask;
    }

    private async Task SaveProfile()
    {
        if (profileForm.ClientId <= 0 || string.IsNullOrWhiteSpace(profileForm.BusinessType))
        {
            await JS.InvokeVoidAsync("alert", "고객과 사업 유형을 입력하세요.");
            return;
        }
        try
        {
            if (isEditMode && editingProfile != null)
            {
                await TaxProfileClient.UpdateAsync(editingProfile.Id, profileForm.BusinessType, null, profileForm.NextFilingDueDate, profileForm.TaxRiskLevel);
                await JS.InvokeVoidAsync("alert", "세무 프로필이 수정되었습니다.");
            }
            else
            {
                var newId = await TaxProfileClient.CreateAsync(profileForm.ClientId, profileForm.BusinessType);
                if (newId > 0)
                {
                    await TaxProfileClient.UpdateAsync(newId, profileForm.BusinessType, null, profileForm.NextFilingDueDate, profileForm.TaxRiskLevel);
                    await JS.InvokeVoidAsync("alert", "세무 프로필이 추가되었습니다.");
                }
            }
            CloseDialog();
            await LoadData();
        }
        catch (Exception ex)
        {
            await JS.InvokeVoidAsync("alert", $"저장 실패: {ex.Message}");
        }
    }

    private async Task DeleteProfile(int id)
    {
        if (!await JS.InvokeAsync<bool>("confirm", "이 세무 프로필을 삭제하시겠습니까?")) return;
        try
        {
            await TaxProfileClient.DeleteAsync(id);
            await JS.InvokeVoidAsync("alert", "세무 프로필이 삭제되었습니다.");
            await LoadData();
        }
        catch (Exception ex)
        {
            await JS.InvokeVoidAsync("alert", $"삭제 실패: {ex.Message}");
        }
    }

    private void CloseDialog() { isDialogOpen = false; isEditMode = false; editingProfile = null; profileForm = new(); }
    private static string GetClientDisplayName(Client client) => !string.IsNullOrWhiteSpace(client.CompanyName) ? client.CompanyName : !string.IsNullOrWhiteSpace(client.Name) ? client.Name : $"Client #{client.Id}";
    private sealed class TaxProfileForm { public int ClientId { get; set; } public string BusinessType { get; set; } = ""; public string TaxRiskLevel { get; set; } = "normal"; public DateTime? NextFilingDueDate { get; set; } public string? SpecialNotes { get; set; } }
}