@page "/admin/companies"
@attribute [Authorize]
@inject IApiClient ApiClient
@inject ISnackbar Snackbar

<PageTitle>고객사 관리</PageTitle>

<section class="admin-page-hero">
    <div>
        <MudText Typo="Typo.caption" Class="admin-eyebrow">Settings</MudText>
        <MudText Typo="Typo.h4" Class="admin-page-title">고객사 관리</MudText>
        <MudText Typo="Typo.body2" Class="admin-page-subtitle">등록된 고객사를 관리하고 새로운 고객사를 추가합니다.</MudText>
    </div>
    <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Add"
        Href="/taxbaik/admin/companies/create">새 고객사 등록</MudButton>
</section>

<MudPaper Class="admin-surface mb-4 mt-4" Elevation="0">
    <MudStack Row="true" AlignItems="AlignItems.Center" Justify="Justify.SpaceBetween">
        <MudText Typo="Typo.subtitle1">@($"전체 고객사 {totalCompanies}개")</MudText>
        <MudText Typo="Typo.body2">페이지 @currentPage / @totalPages</MudText>
    </MudStack>
</MudPaper>

<MudDataGrid Items="@companies" Striped="true" Hoverable="true" Loading="@isLoading" Class="admin-grid">
    <Columns>
        <PropertyColumn Property="x => x.CompanyCode" Title="회사코드" />
        <PropertyColumn Property="x => x.CompanyName" Title="회사명" />
        <PropertyColumn Property="x => x.ContactPerson" Title="담당자" />
        <PropertyColumn Property="x => x.Phone" Title="전화" />
        <PropertyColumn Property="x => x.Email" Title="이메일" />
        <PropertyColumn Property="x => x.IsActive" Title="활성">
            <CellTemplate Context="cell">
                <MudCheckBox T="bool" Value="@cell.Item.IsActive" Disabled="true" />
            </CellTemplate>
        </PropertyColumn>
        <PropertyColumn Property="x => x.CreatedAt" Title="등록일" Format="yyyy-MM-dd" />
        <TemplateColumn>
            <CellTemplate Context="cell">
                <MudButton Variant="Variant.Outlined" Size="Size.Small" Color="Color.Primary"
                    Href="@($"/taxbaik/admin/companies/{cell.Item.Id}/edit")">수정</MudButton>
            </CellTemplate>
        </TemplateColumn>
    </Columns>
</MudDataGrid>

<MudStack Row="true" Justify="Justify.Center" Class="mt-4" Spacing="2">
    <MudButton Variant="Variant.Outlined" Disabled="@(currentPage <= 1 || isLoading)" @onclick="PreviousPage">이전</MudButton>
    <MudButton Variant="Variant.Outlined" Disabled="@(currentPage >= totalPages || isLoading)" @onclick="NextPage">다음</MudButton>
</MudStack>

@code {
    private List<CompanyDto> companies = [];
    private bool isLoading = true;
    private int currentPage = 1;
    private int totalPages = 1;
    private int totalCompanies = 0;
    private const int PageSize = 20;

    protected override async Task OnInitializedAsync()
    {
        await LoadData();
    }

    private async Task LoadData()
    {
        try
        {
            isLoading = true;
            var response = await ApiClient.GetAsync<dynamic>($"company?page={currentPage}&pageSize={PageSize}");

            IDictionary<string, object>? dict = response as IDictionary<string, object>;
            if (dict != null)
            {
                totalCompanies = (int)(dynamic)dict["total"];
                totalPages = (totalCompanies + PageSize - 1) / PageSize;

                if (dict["data"] is System.Collections.IEnumerable dataList)
                {
                    companies = new List<CompanyDto>();
                    foreach (var item in dataList)
                    {
                        if (item is IDictionary<string, object> companyDict)
                        {
                            companies.Add(new CompanyDto
                            {
                                Id = (int)(dynamic)companyDict["id"],
                                CompanyCode = (string)companyDict["companyCode"],
                                CompanyName = (string)companyDict["companyName"],
                                ContactPerson = (string?)companyDict["contactPerson"],
                                Phone = (string?)companyDict["phone"],
                                Email = (string?)companyDict["email"],
                                IsActive = (bool)(dynamic)companyDict["isActive"],
                                CreatedAt = DateTime.Parse(companyDict["createdAt"].ToString()!)
                            });
                        }
                    }
                }
            }
        }
        catch (Exception ex)
        {
            Snackbar.Add($"고객사 로드 실패: {ex.Message}", Severity.Error);
        }
        finally
        {
            isLoading = false;
        }
    }

    private async Task NextPage()
    {
        currentPage++;
        await LoadData();
    }

    private async Task PreviousPage()
    {
        currentPage = Math.Max(1, currentPage - 1);
        await LoadData();
    }

    private class CompanyDto
    {
        public int Id { get; set; }
        public string CompanyCode { get; set; } = "";
        public string CompanyName { get; set; } = "";
        public string? ContactPerson { get; set; }
        public string? Phone { get; set; }
        public string? Email { get; set; }
        public bool IsActive { get; set; }
        public DateTime CreatedAt { get; set; }
    }
}