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package com.playtika.testcontainer.spicedb;

import com.playtika.testcontainer.common.spring.DockerPresenceBootstrapConfiguration;
import com.playtika.testcontainer.common.utils.ContainerUtils;
import com.playtika.testcontainer.toxiproxy.EmbeddedToxiProxyBootstrapConfiguration;
import com.playtika.testcontainer.toxiproxy.condition.ConditionalOnToxiProxyEnabled;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;
import org.testcontainers.containers.GenericContainer;
import org.testcontainers.containers.Network;
import org.testcontainers.containers.ToxiproxyContainer;
import org.testcontainers.containers.wait.strategy.HostPortWaitStrategy;
import org.testcontainers.containers.wait.strategy.WaitAllStrategy;
import org.testcontainers.containers.wait.strategy.WaitStrategy;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Optional;

import static com.playtika.testcontainer.common.utils.ContainerUtils.configureCommonsAndStart;
import static com.playtika.testcontainer.spicedb.SpiceDBProperties.BEAN_NAME_EMBEDDED_SPICEDB;
import static com.playtika.testcontainer.spicedb.SpiceDBProperties.BEAN_NAME_EMBEDDED_SPICEDB_TOXI_PROXY;

@Slf4j
@Configuration
@ConditionalOnExpression("${embedded.containers.enabled:true}")
@AutoConfigureAfter({DockerPresenceBootstrapConfiguration.class, EmbeddedToxiProxyBootstrapConfiguration.class})
@ConditionalOnProperty(name = "embedded.spicedb.enabled", matchIfMissing = true)
@EnableConfigurationProperties(SpiceDBProperties.class)
public class EmbeddedSpiceDBBootstrapConfiguration {

    private static final String NATS_NETWORK_ALIAS = "spicedb.testcontainer.docker";

    @Bean(name = BEAN_NAME_EMBEDDED_SPICEDB_TOXI_PROXY)
    @ConditionalOnToxiProxyEnabled(module = "spicedb")
    ToxiproxyContainer.ContainerProxy spicedbContainerProxy(ToxiproxyContainer toxiproxyContainer,
                                                            @Qualifier(BEAN_NAME_EMBEDDED_SPICEDB) GenericContainer spicedbContainer,
                                                            SpiceDBProperties properties,
                                                            ConfigurableEnvironment environment) {
        ToxiproxyContainer.ContainerProxy proxy = toxiproxyContainer.getProxy(spicedbContainer, properties.getPort());

        Map map = new LinkedHashMap<>();
        map.put("embedded.spicedb.toxiproxy.host", proxy.getContainerIpAddress());
        map.put("embedded.spicedb.toxiproxy.port", proxy.getProxyPort());
        map.put("embedded.spicedb.toxiproxy.proxyName", proxy.getName());

        MapPropertySource propertySource = new MapPropertySource("embeddedSpicedbToxiproxyInfo", map);
        environment.getPropertySources().addFirst(propertySource);
        log.info("Started Spicedb ToxiProxy connection details {}", map);

        return proxy;
    }

    @Bean(name = BEAN_NAME_EMBEDDED_SPICEDB, destroyMethod = "stop")
    public GenericContainer spicedbContainer(ConfigurableEnvironment environment,
                                                SpiceDBProperties properties,
                                                Optional network) {
        WaitStrategy waitStrategy = new WaitAllStrategy()
                .withStrategy(new HostPortWaitStrategy())
                .withStartupTimeout(properties.getTimeoutDuration());

        GenericContainer spicedbContainer = new GenericContainer<>(ContainerUtils.getDockerImageName(properties))
                .withExposedPorts(properties.getPort())
                .withCommand("serve", "--grpc-preshared-key", properties.getPresharedKey(), "--skip-release-check")
                .waitingFor(waitStrategy)
                .withNetworkAliases(NATS_NETWORK_ALIAS);

        network.ifPresent(spicedbContainer::withNetwork);

        spicedbContainer = configureCommonsAndStart(spicedbContainer, properties, log);

        registerNatsEnvironment(spicedbContainer, environment, properties);
        return spicedbContainer;
    }

    private void registerNatsEnvironment(GenericContainer natsContainer,
                                         ConfigurableEnvironment environment,
                                         SpiceDBProperties properties) {
        Integer clientMappedPort = natsContainer.getMappedPort(properties.getPort());
        String host = natsContainer.getHost();

        LinkedHashMap map = new LinkedHashMap<>();

        map.put("embedded.spicedb.host", host);
        map.put("embedded.spicedb.port", clientMappedPort);
        map.put("embedded.spicedb.token", properties.getPresharedKey());
        map.put("embedded.spicedb.networkAlias", NATS_NETWORK_ALIAS);

        log.info("Started SpiceDb server. Connection details {}", map);

        MapPropertySource propertySource = new MapPropertySource("embeddedSpicedbInfo", map);
        environment.getPropertySources().addFirst(propertySource);
    }
}