@page "/account/reset-password"
@layout AuthenticationLayout
@using Indotalent.Shared.Consts
@using Microsoft.JSInterop
@inject IJSRuntime JSRuntime
@inject ISnackbar Snackbar
@inject NavigationManager Navigation

<PageTitle>Reset Password - @GlobalConsts.AppInitial</PageTitle>

<div class="page-header">
    <h2>Create New Password</h2>
    <p>Please enter your new password below.</p>
</div>

<MudForm @ref="form" @bind-IsValid="@success">
    <div class="form-label">New Password</div>
    <MudTextField T="string"
                  @bind-Value="model.NewPassword"
                  Variant="Variant.Outlined"
                  Placeholder="Enter new password"
                  Margin="Margin.Dense"
                  InputType="@(showPassword ? InputType.Text : InputType.Password)"
                  Adornment="Adornment.Start"
                  AdornmentIcon="@Icons.Material.Filled.Lock"
                  AdornmentEndIcon="@(showPassword? Icons.Material.Filled.Visibility : Icons.Material.Filled.VisibilityOff)"
                  OnAdornmentEndClick="() => showPassword = !showPassword"
                  Required="true"
                  Class="mb-4" />

    <div class="form-label">Confirm New Password</div>
    <MudTextField T="string"
                  @bind-Value="model.ConfirmPassword"
                  Variant="Variant.Outlined"
                  Placeholder="Repeat new password"
                  Margin="Margin.Dense"
                  InputType="@(showPassword ? InputType.Text : InputType.Password)"
                  Adornment="Adornment.Start"
                  AdornmentIcon="@Icons.Material.Filled.Lock"
                  Required="true"
                  Validation="@(new Func<string, string?>(PasswordMatch))"
                  Class="mb-6" />

    <MudButton Variant="Variant.Filled"
               Color="Color.Primary"
               Size="Size.Large"
               FullWidth="true"
               Disabled="!success || isProcessing"
               OnClick="HandleResetPassword"
               Style="text-transform:none; border-radius:8px; height:48px; font-weight:600;">
        @if (isProcessing)
        {
            <MudProgressCircular Class="ms-n1" Size="Size.Small" Indeterminate="true" />
            <span class="ms-2">Resetting...</span>
        }
        else
        {
            <span>Reset Password</span>
        }
    </MudButton>
</MudForm>

@code {
    [SupplyParameterFromQuery] public string? userId { get; set; }
    [SupplyParameterFromQuery] public string? code { get; set; }

    private MudForm form = default!;
    private bool success;
    private bool isProcessing;
    private bool showPassword;
    private ResetModel model = new();

    private class ResetModel
    {
        public string NewPassword { get; set; } = "";
        public string ConfirmPassword { get; set; } = "";
    }

    private string? PasswordMatch(string arg)
    {
        if (model.NewPassword != arg) return "Passwords do not match";
        return null;
    }

    private async Task HandleResetPassword()
    {
        await form.Validate();
        if (!success) return;

        if (string.IsNullOrEmpty(userId) || string.IsNullOrEmpty(code))
        {
            Snackbar.Add("Invalid reset token or user ID.", Severity.Error);
            return;
        }

        isProcessing = true;
        StateHasChanged();

        var result = await JSRuntime.InvokeAsync<ApiResponse>("apiResetPassword", userId, code, model.NewPassword);

        if (result.Status == 200)
        {
            Snackbar.Add("Password reset successful! You can now sign in.", Severity.Success);
            await Task.Delay(500);
            Navigation.NavigateTo("/account/login");
        }
        else
        {
            Snackbar.Add(result.Title ?? "Failed to reset password", Severity.Error);
        }

        isProcessing = false;
        StateHasChanged();
    }

    private class ApiResponse
    {
        public int Status { get; set; }
        public string? Title { get; set; }
    }
}

<script>
    window.apiResetPassword = async (userId, code, newPassword) => {
        try {
            const response = await fetch('/api/account/reset-password', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({ userId, code, newPassword })
            });

            if (response.ok) {
                return { status: 200, title: 'Success' };
            } else {
                const data = await response.json();
                let msg = 'Failed to reset password';
                if (data.errors && data.errors.length > 0) msg = data.errors[0];
                return { status: response.status, title: msg };
            }
        } catch (error) {
            return { status: 500, title: 'Network error' };
        }
    };
</script>