/*
 * 第 6 章 · 依赖管理演示 — build.gradle.kts
 *
 * 跑下面这些命令查看效果：
 *   ./gradlew dependencies
 *   ./gradlew dependencies --configuration runtimeClasspath
 *   ./gradlew dependencyInsight --dependency guava
 *   ./gradlew showDeps             —— 自定义任务，打印依赖类型
 */

plugins {
    `java-library`              // 必须用 java-library 才能用 api
}

group = "com.example.gradle.dep"
version = "1.0.0"

repositories {
    mavenCentral()
}

dependencies {
    // ===== 1. implementation：编译+运行可见，不传递 =====
    implementation("com.google.guava:guava:32.1.3-jre")
    implementation("org.slf4j:slf4j-api:2.0.9")

    // ===== 2. api：传递给消费者 =====
    api("org.apache.commons:commons-lang3:3.13.0")

    // ===== 3. compileOnly：仅编译需要 =====
    compileOnly("org.projectlombok:lombok:1.18.30")
    annotationProcessor("org.projectlombok:lombok:1.18.30")

    // ===== 4. runtimeOnly：仅运行需要 =====
    runtimeOnly("ch.qos.logback:logback-classic:1.4.11")

    // ===== 5. testImplementation =====
    testImplementation("org.junit.jupiter:junit-jupiter:5.10.0")
    testImplementation("org.assertj:assertj-core:3.24.2")
    testRuntimeOnly("org.junit.platform:junit-platform-launcher")

    // ===== 6. 排除传递依赖示例 =====
    implementation("org.springframework:spring-context:6.1.1") {
        exclude(group = "commons-logging", module = "commons-logging")
    }

    // ===== 7. platform / BOM 演示 =====
    // implementation(platform("org.springframework:spring-framework-bom:6.1.1"))
    // implementation("org.springframework:spring-web")  // 不用写版本

    // ===== 8. 强制版本演示 =====
    // implementation("com.google.guava:guava") {
    //     version { strictly("30.0") }
    // }
}

// ===== 9. 全局 force / exclude =====
configurations.all {
    // resolutionStrategy.force("com.google.guava:guava:32.1.3-jre")
    exclude(group = "junit", module = "junit")  // 排除老 JUnit 4 的传递依赖
}

// ===== 10. 自定义任务：打印依赖统计 =====
tasks.register("showDeps") {
    group = "ch06-demo"
    description = "打印各 configuration 的依赖数"
    doLast {
        listOf(
            "implementation",
            "api",
            "compileOnly",
            "runtimeOnly",
            "testImplementation",
            "compileClasspath",
            "runtimeClasspath",
            "testRuntimeClasspath"
        ).forEach { name ->
            val cfg = configurations.findByName(name)
            if (cfg != null) {
                val direct = cfg.dependencies.size
                val resolved = if (cfg.isCanBeResolved) cfg.resolvedConfiguration.firstLevelModuleDependencies.size else -1
                println(String.format("%-25s direct=%2d  resolved-direct=%s",
                    name, direct, if (resolved >= 0) resolved.toString() else "(non-resolvable)"))
            }
        }
    }
}

tasks.test {
    useJUnitPlatform()
}