@page "/admin/companies"
@attribute [Authorize]
@inject IApiClient ApiClient
@inject IJSRuntime JS

<PageTitle>고객사 관리</PageTitle>

<section class="admin-page-hero">
    <div>
        <div class="admin-eyebrow">Settings</div>
        <h1 class="admin-page-title">고객사 관리</h1>
        <p class="admin-page-subtitle">등록된 고객사를 관리하고 새로운 고객사를 추가합니다.</p>
    </div>
    <button type="button" class="site-button primary" @onclick='() => NavTo("/taxbaik/admin/companies/create")'>새 고객사 등록</button>
</section>

<div class="admin-surface mb-4 mt-4">
    <div class="admin-summary-bar">
        <span>@($"전체 고객사 {totalCompanies}개")</span>
        <span>페이지 @currentPage / @totalPages</span>
    </div>
</div>

<div class="admin-surface">
    @if (isLoading)
    {
        <Skeleton Count="6" CssClass="taxbaik-skeleton-grid" />
    }
    else
    {
        <div class="admin-table-wrap">
            <table class="admin-table">
                <thead>
                    <tr>
                        <th>회사코드</th>
                        <th>회사명</th>
                        <th>담당자</th>
                        <th>전화</th>
                        <th>이메일</th>
                        <th>활성</th>
                        <th>등록일</th>
                        <th></th>
                    </tr>
                </thead>
                <tbody>
                    @foreach (var item in companies)
                    {
                        <tr>
                            <td>@item.CompanyCode</td>
                            <td>@item.CompanyName</td>
                            <td>@(item.ContactPerson ?? "—")</td>
                            <td>@(item.Phone ?? "—")</td>
                            <td>@(item.Email ?? "—")</td>
                            <td>@(item.IsActive ? "활성" : "비활성")</td>
                            <td>@item.CreatedAt.ToString("yyyy-MM-dd")</td>
                            <td><a class="site-button secondary" href="@($"/taxbaik/admin/companies/{item.Id}/edit")">수정</a></td>
                        </tr>
                    }
                </tbody>
            </table>
        </div>
    }
</div>

<div class="admin-pagination">
    <button type="button" class="site-button secondary" disabled="@(currentPage <= 1 || isLoading)" @onclick="PreviousPage">이전</button>
    <button type="button" class="site-button secondary" disabled="@(currentPage >= totalPages || isLoading)" @onclick="NextPage">다음</button>
</div>

@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)
        {
            await JS.InvokeVoidAsync("alert", $"고객사 로드 실패: {ex.Message}");
        }
        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; }
    }

    private string NavTo(string url) => url;
}