package kr.re.etri.autoflow.swagger;

import io.swagger.v3.oas.models.Components;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.oas.models.info.Contact;
import io.swagger.v3.oas.models.info.Info;
import io.swagger.v3.oas.models.info.License;
import io.swagger.v3.oas.models.security.SecurityRequirement;
import io.swagger.v3.oas.models.security.SecurityScheme;
import io.swagger.v3.oas.models.servers.Server;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.List;
import org.springframework.core.env.Environment;

@Configuration
@RequiredArgsConstructor
public class OpenAPIConfig {
    private final Environment environment;

    private static final String SECURITY_SCHEME_ACCESS = "cuuva-jwt-cookie";
    private static final String SECURITY_SCHEME_REFRESH = "cuuva-jwt-refresh-cookie";

    private static final String PRODUCTION_SERVER_URL = "http://cuuva.com:2480/autoflow";
    private static final String LOCAL_SERVER_URL = "http://localhost:80";

    @Bean
    public OpenAPI customOpenAPI() {
        return new OpenAPI()
                .components(createComponents())
                .addSecurityItem(createSecurityRequirement())
                .info(createApiInfo())
                .servers(createServerList());
    }

    private Components createComponents() {
        return new Components()
                .addSecuritySchemes(SECURITY_SCHEME_ACCESS,
                        new SecurityScheme()
                                .name("cuuva-jwt")  // 액세스 토큰 쿠키 이름
                                .type(SecurityScheme.Type.APIKEY)
                                .in(SecurityScheme.In.HEADER)
                )
                .addSecuritySchemes(SECURITY_SCHEME_REFRESH,
                        new SecurityScheme()
                                .name("cuuva-jwt-refresh")  // 리프레시 토큰 쿠키 이름
                                .type(SecurityScheme.Type.APIKEY)
                                .in(SecurityScheme.In.HEADER)
                );
    }

    private SecurityRequirement createSecurityRequirement() {
        return new SecurityRequirement()
                .addList(SECURITY_SCHEME_ACCESS)
                .addList(SECURITY_SCHEME_REFRESH);
    }

    private Info createApiInfo() {
        return new Info()
                .title("Autoflow API")
                .description("Autoflow 서비스의 Swagger 문서")
                .version("1.0.0")
                .contact(new Contact()
                        .name("API Support")
                        .email("jhg88@cuuva.com"))
                .license(new License()
                        .name("CUUVA")
                        .url("http://cuuva.com"));
    }

    public List<Server> createServerList() {
        String[] activeProfiles = environment.getActiveProfiles();

        if (activeProfiles.length == 0) {
            // 프로필이 없으면 default
            return List.of(new Server().url(LOCAL_SERVER_URL).description("Default Local Server"));
        }

        String profile = activeProfiles[0];

        return switch (profile) {
            case "local" -> List.of(
                    new Server().url(LOCAL_SERVER_URL).description("Local Server")
            );
            case "prod" -> List.of(
                    new Server().url(PRODUCTION_SERVER_URL).description("Production Server")
            );
            default -> List.of(
                    new Server().url(LOCAL_SERVER_URL).description("Default Local Server")
            );
        };
    }
}