package com.kmlabz.birbnetes.apigateway

import org.springframework.cloud.gateway.route.RouteLocator
import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder
import org.springframework.cloud.netflix.hystrix.EnableHystrix
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration

@EnableHystrix
@Configuration
class ApiGatewayConfig {
    @Bean
    fun myRoutes(builder: RouteLocatorBuilder): RouteLocator {
        return builder.routes()
                .route { p -> p
                            .path("/api/input/v1/sample")
                            .filters { f -> f
                                        .hystrix { config ->
                                            config.name = "input-service-sample"
                                        }
                                    .rewritePath("/api/input/v1/sample", "/sample")
                            }
                            .uri("http://input-service")
                }
                .route { p -> p
                            .path("/api/input/v1/sample/**")
                            .filters { f -> f
                                        .hystrix { config ->
                                            config.name = "input-service-query"
                                        }
                                    .rewritePath("/api/input/v1/sample/(?<SAMPLEID>.*)", "/sample/\${SAMPLEID}")
                            }
                            .uri("http://input-service")
                }
                .route { p -> p
                        .path("/api/output/v1/result")
                        .filters { f -> f
                                .hystrix { config ->
                                    config.name = "output-service-result"
                                }
                                .rewritePath("//api/output/v1/result", "/result")
                        }
                        .uri("http://output-service-rdb")
                }
                .route { p -> p
                        .path("/api/output/v1/result/**")
                        .filters { f -> f
                                .hystrix { config ->
                                    config.name = "output-service-query"
                                }
                                .rewritePath("/api/output/v1/result/(?<RESULTID>.*)", "/result/\${RESULTID}")
                        }
                        .uri("http://output-service-rdb")
                }
                .route { p -> p
                        .path("/api/output/v1/result/filter/negative")
                        .filters { f -> f
                                .hystrix { config ->
                                    config.name = "output-service-negative"
                                }
                                .rewritePath("/api/output/v1/result/filter/negative", "/result/filter/negative")
                        }
                        .uri("http://output-service-rdb")
                }
                .route { p -> p
                        .path("/api/output/v1/result/filter/positive")
                        .filters { f -> f
                                .hystrix { config ->
                                    config.name = "output-service-positive"
                                }
                                .rewritePath("/api/output/v1/result/filter/positive", "/result/filter/positive")
                        }
                        .uri("http://output-service-rdb")
                }
                .route { p -> p
                        .path("/api/output/v1/result/after/**")
                        .filters { f -> f
                                .hystrix { config ->
                                    config.name = "output-service-after"
                                }
                                .rewritePath("/api/output/v1/result/after/(?<DATEAFTER>.*)", "/result/after/\${DATEAFTER}")
                        }
                        .uri("http://output-service-rdb")
                }
                .route { p -> p
                        .path("/api/output/v1/result/before/**")
                        .filters { f -> f
                                .hystrix { config ->
                                    config.name = "output-service-before"
                                }
                                .rewritePath("/api/output/v1/result/before/(?<DATEBEFORE>.*)", "/result/before/\${DATEBEFORE}")
                        }
                        .uri("http://output-service-rdb")
                }
                .build()
    }
}