using Web.Api.Common;
using Microsoft.OpenApi;
using SharedKernel;

namespace Web.Api;

public static class DependencyInjection
{
    public static IServiceCollection AddPresentation(this IServiceCollection services, AppSettings settings)
    {
        services.AddExceptionHandler<GlobalExceptionHandler>();
        services.AddProblemDetails();

        services.AddEndpointsApiExplorer();
        services.AddSwaggerGen(options =>
        {
            // Nested type (예: GoogleLogin.Request, ForgotPassword.Request 등)
            // 이 short name `Request` 로 schemaId 충돌 → FullName 으로 unique 보장 (`+` 를 `.` 로 치환해 가독성).
            options.CustomSchemaIds(t => t.FullName?.Replace('+', '.') ?? t.Name);

            // internal: 기존 /api/* (대시보드 전용)
            options.SwaggerDoc("internal", new OpenApiInfo
            {
                Title = "ANTOOZA Internal API",
                Version = "v1",
                Description = "사용자/관리자 페이지 전용. 외부 노출 안 됨."
            });

            options.DocInclusionPredicate((docName, apiDesc) =>
            {
                var groupName = apiDesc.GroupName ?? "internal";
                return docName == groupName;
            });

            options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
            {
                Type = SecuritySchemeType.Http,
                Scheme = "bearer",
                BearerFormat = "JWT",
                Description = "JWT access_token 을 입력하세요."
            });

            options.AddSecurityRequirement(document => new() { [new OpenApiSecuritySchemeReference("Bearer", document)] = [] });

            // OpenAPI 3.x servers field — Scalar / Swagger UI 의 server selector + "Try it out" base URL.
            // 환경별 (PROD=api.antooza.com / DEV=dev-api.antooza.com / LOCAL=localhost:4000) 로 자동 채워짐.
            options.AddServer(new OpenApiServer
            {
                Url = settings.App.ApiURL,
                Description = $"{settings.App.Name} ({settings.App.ApiURL})"
            });
        });

        return services;
    }
}