@page "/admin/settings"
@attribute [Authorize]
@using System.ComponentModel.DataAnnotations
@using System.Collections.Generic
@using TaxBaik.Web.Services
@using TaxBaik.Domain.Interfaces
@inject IApiClient ApiClient
@inject IJSRuntime JS

<PageTitle>설정</PageTitle>

<section class="admin-page-hero">
    <div>
        <div class="admin-eyebrow">System</div>
        <h1 class="admin-page-title">설정</h1>
        <p class="admin-page-subtitle">공개 사이트 연락처와 관리자 계정 보안을 관리합니다.</p>
    </div>
</section>

<div class="admin-detail-grid">
    <section class="admin-surface">
        <div class="admin-section-header compact">
            <div>
                <h3 class="admin-section-title">사이트 정보</h3>
                <p class="muted">홈페이지와 문의 알림에 노출되는 기본 정보입니다.</p>
            </div>
        </div>

        <form class="admin-form" @onsubmit="SaveSettings" @onsubmit:preventDefault="true">
            <label>전화번호<input class="admin-input" @bind="phone" /></label>
            <label>이메일<input class="admin-input" @bind="email" /></label>
            <label>카카오 채널 URL<input class="admin-input" @bind="kakaoUrl" /></label>
            <label>인스타그램<input class="admin-input" @bind="instagramUrl" /></label>
            <div class="admin-dialog-actions">
                <button type="submit" class="site-button primary">사이트 정보 저장</button>
            </div>
        </form>
    </section>

    <section class="admin-surface">
        <div class="admin-section-header compact">
            <div>
                <h3 class="admin-section-title">계정 관리</h3>
                <p class="muted">비밀번호는 12자 이상으로 관리합니다.</p>
            </div>
        </div>

        <form class="admin-form" @onsubmit="ChangePassword" @onsubmit:preventDefault="true">
            <label>현재 비밀번호<input class="admin-input" type="password" @bind="currentPassword" /></label>
            <label>새 비밀번호<input class="admin-input" type="password" @bind="newPassword" /></label>
            <label>새 비밀번호 확인<input class="admin-input" type="password" @bind="confirmNewPassword" /></label>
            <div class="admin-dialog-actions">
                <button type="submit" class="site-button primary" disabled="@isChangingPassword">
                    @(isChangingPassword ? "변경 중..." : "비밀번호 변경")
                </button>
            </div>
        </form>
    </section>
</div>

@code {
    private string phone = "010-4122-8268";
    private string email = "taxbaik5668@gmail.com";
    private string kakaoUrl = "http://pf.kakao.com/_xoxchTX";
    private string instagramUrl = "https://www.instagram.com/taxtory5668/";
    private string currentPassword = "";
    private string newPassword = "";
    private string confirmNewPassword = "";
    private bool isChangingPassword;
    private bool isLoadingSettings;

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

    private async Task LoadSettingsAsync()
    {
        isLoadingSettings = true;

        try
        {
            var settings = await ApiClient.GetAsync<Dictionary<string, string>>("site-settings");
            if (settings is null || settings.Count == 0)
                return;

            if (settings.TryGetValue("PhoneNumber", out var loadedPhone) && !string.IsNullOrWhiteSpace(loadedPhone))
                phone = loadedPhone;

            if (settings.TryGetValue("EmailAddress", out var loadedEmail) && !string.IsNullOrWhiteSpace(loadedEmail))
                email = loadedEmail;

            if (settings.TryGetValue("KakaoChannelUrl", out var loadedKakao) && !string.IsNullOrWhiteSpace(loadedKakao))
                kakaoUrl = loadedKakao;

            if (settings.TryGetValue("InstagramUrl", out var loadedInstagram) && !string.IsNullOrWhiteSpace(loadedInstagram))
                instagramUrl = loadedInstagram;
        }
        catch
        {
            await JS.InvokeVoidAsync("alert", "사이트 설정을 불러오지 못했습니다.");
        }
        finally
        {
            isLoadingSettings = false;
        }
    }

    private async Task SaveSettings()
    {
        if (isLoadingSettings)
            return;

        var response = await ApiClient.PutAsync<SaveSettingsResponse>("site-settings", new
        {
            Phone = phone,
            Email = email,
            KakaoUrl = kakaoUrl,
            InstagramUrl = instagramUrl
        });

        if (response?.Message is null)
        {
            await JS.InvokeVoidAsync("alert", "설정 저장에 실패했습니다.");
            return;
        }

        await JS.InvokeVoidAsync("alert", response.Message);
    }

    private async Task ChangePassword()
    {
        if (isChangingPassword)
            return;

        if (string.IsNullOrWhiteSpace(currentPassword) || string.IsNullOrWhiteSpace(newPassword))
        {
            await JS.InvokeVoidAsync("alert", "현재 비밀번호와 새 비밀번호를 입력하세요.");
            return;
        }

        if (newPassword != confirmNewPassword)
        {
            await JS.InvokeVoidAsync("alert", "새 비밀번호 확인이 일치하지 않습니다.");
            return;
        }

        isChangingPassword = true;

        try
        {
            var response = await ApiClient.PostAsync<ChangePasswordResponse>("auth/change-password", new
            {
                CurrentPassword = currentPassword,
                NewPassword = newPassword
            });

            if (response?.Message == null)
            {
                await JS.InvokeVoidAsync("alert", "비밀번호 변경에 실패했습니다.");
                return;
            }

            await JS.InvokeVoidAsync("alert", response.Message);
            currentPassword = "";
            newPassword = "";
            confirmNewPassword = "";
        }
        catch
        {
            await JS.InvokeVoidAsync("alert", "비밀번호 변경 중 오류가 발생했습니다.");
        }
        finally
        {
            isChangingPassword = false;
        }
    }

    private class ChangePasswordResponse
    {
        public string Message { get; set; } = "";
    }

    private class SaveSettingsResponse
    {
        public string Message { get; set; } = "";
    }
}