using System.Text.Json.Serialization;
using Microsoft.OpenApi.Models;
using OrderSupportTicket.TestServer;
using OrderSupportTicket.TestServer.Contracts;
using OrderSupportTicket.TestServer.Data;
using OrderSupportTicket.TestServer.Endpoints;
using OrderSupportTicket.TestServer.Services;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddSingleton<TicketEventHub>();
builder.Services.AddSingleton<InMemoryTicketStore>();
builder.Services.AddCors(options =>
{
    options.AddDefaultPolicy(policy => policy
        .AllowAnyOrigin()
        .AllowAnyHeader()
        .AllowAnyMethod());
});
builder.Services.ConfigureHttpJsonOptions(options =>
{
    options.SerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.Never;
});
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(options =>
{
    options.SwaggerDoc("v1", new OpenApiInfo
    {
        Title = "OrderSupportTicket 测试服务端",
        Version = "v1",
        Description = "纯内存实现客户工单 API v2；重启服务后数据恢复为初始种子数据。"
    });
});

var app = builder.Build();

app.UseCors();

app.Use(async (context, next) =>
{
    try
    {
        await next();
    }
    catch (ApiException exception)
    {
        if (context.Response.HasStarted)
        {
            throw;
        }

        context.Response.Clear();
        context.Response.StatusCode = exception.StatusCode;
        context.Response.ContentType = "application/json; charset=utf-8";
        await context.Response.WriteAsJsonAsync(new ApiErrorResponse
        {
            Success = false,
            Message = exception.Message,
            Error = exception.Message,
            Code = exception.Code
        });
    }
    catch (BadHttpRequestException exception)
    {
        if (context.Response.HasStarted)
        {
            throw;
        }

        context.Response.Clear();
        context.Response.StatusCode = StatusCodes.Status400BadRequest;
        context.Response.ContentType = "application/json; charset=utf-8";
        await context.Response.WriteAsJsonAsync(new ApiErrorResponse
        {
            Success = false,
            Message = exception.Message,
            Error = exception.Message,
            Code = "bad_request"
        });
    }
});

app.UseDefaultFiles();
app.UseStaticFiles();
app.UseSwagger();
app.UseSwaggerUI(options =>
{
    options.SwaggerEndpoint("/swagger/v1/swagger.json", "OrderSupportTicket Test API v1");
    options.DocumentTitle = "OrderSupportTicket 测试 API";
});

app.MapGet("/health", () => Results.Ok(new
{
    success = true,
    service = "OrderSupportTicket.TestServer",
    storage = "in-memory",
    utcNow = DateTimeOffset.UtcNow.ToString("O")
}));

app.MapTicketApiEndpoints();

app.Run();

public partial class Program { }