use crate::domain::build_system::value_objects::BuildSystemType;
use crate::domain::shared::value_objects::JavaVersion;
use anyhow::{anyhow, Result};
use std::fs;
use std::path::Path;
pub struct ProjectInitializationService;
impl ProjectInitializationService {
pub fn create_project(
project_dir: &Path,
name: &str,
group_id: &str,
build_system: BuildSystemType,
java_version: JavaVersion,
) -> Result<()> {
if project_dir.exists() {
return Err(anyhow!("Directory already exists: {project_dir:?}"));
}
fs::create_dir_all(project_dir)?;
match build_system {
BuildSystemType::Maven => {
Self::create_maven_project(project_dir, name, group_id, java_version)
}
BuildSystemType::Gradle => {
Self::create_gradle_project(project_dir, name, group_id, java_version)
}
BuildSystemType::JBuild => {
Self::create_jbuild_project(project_dir, name, group_id, java_version)
}
}
}
fn create_maven_project(
project_dir: &Path,
name: &str,
group_id: &str,
java_version: JavaVersion,
) -> Result<()> {
let pom_content = format!(
r#"<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>{group_id}</groupId>
<artifactId>{name}</artifactId>
<version>1.0.0</version>
<properties>
<maven.compiler.source>{java_version}</maven.compiler.source>
<maven.compiler.target>{java_version}</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
"#
);
fs::write(project_dir.join("pom.xml"), pom_content)?;
Self::create_standard_directories(project_dir)?;
Self::create_sample_java_file(project_dir, group_id, name)?;
Ok(())
}
fn create_gradle_project(
project_dir: &Path,
name: &str,
group_id: &str,
java_version: JavaVersion,
) -> Result<()> {
let build_gradle = format!(
r#"plugins {{
id 'java'
}}
group = '{}'
version = '1.0.0'
java {{
sourceCompatibility = JavaVersion.VERSION_{}
targetCompatibility = JavaVersion.VERSION_{}
}}
repositories {{
mavenCentral()
}}
dependencies {{
testImplementation 'junit:junit:4.13.2'
}}
"#,
group_id,
format!("{java_version}").replace('.', "_"),
format!("{java_version}").replace('.', "_")
);
fs::write(project_dir.join("build.gradle"), build_gradle)?;
let settings_gradle = format!("rootProject.name = '{name}'");
fs::write(project_dir.join("settings.gradle"), settings_gradle)?;
Self::create_standard_directories(project_dir)?;
Self::create_sample_java_file(project_dir, group_id, name)?;
Ok(())
}
fn create_jbuild_project(
project_dir: &Path,
name: &str,
group_id: &str,
java_version: JavaVersion,
) -> Result<()> {
let jbuild_toml = format!(
r#"[project]
name = "{name}"
group = "{group_id}"
version = "1.0.0"
[java]
version = "{java_version}"
[dependencies]
junit = {{ group = "junit", name = "junit", version = "4.13.2", scope = "test" }}
"#
);
fs::write(project_dir.join("jbuild.toml"), jbuild_toml)?;
Self::create_standard_directories(project_dir)?;
Self::create_sample_java_file(project_dir, group_id, name)?;
Ok(())
}
fn create_standard_directories(project_dir: &Path) -> Result<()> {
fs::create_dir_all(project_dir.join("src/main/java"))?;
fs::create_dir_all(project_dir.join("src/main/resources"))?;
fs::create_dir_all(project_dir.join("src/test/java"))?;
fs::create_dir_all(project_dir.join("src/test/resources"))?;
Ok(())
}
fn create_sample_java_file(project_dir: &Path, group_id: &str, _name: &str) -> Result<()> {
let package_path = group_id.replace('.', "/");
let java_dir = project_dir.join("src/main/java").join(&package_path);
fs::create_dir_all(&java_dir)?;
let app_java = format!(
r#"package {group_id};
public class App {{
public static void main(String[] args) {{
System.out.println("Hello, World!");
}}
}}
"#
);
fs::write(java_dir.join("App.java"), app_java)?;
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
use tempfile::TempDir;
#[test]
fn test_create_maven_project() {
let temp_dir = TempDir::new().unwrap();
let project_dir = temp_dir.path().join("test-project");
let result = ProjectInitializationService::create_project(
&project_dir,
"test-project",
"com.example",
BuildSystemType::Maven,
JavaVersion::new(17, 0, 0),
);
assert!(result.is_ok());
assert!(project_dir.join("pom.xml").exists());
assert!(project_dir.join("src/main/java").exists());
assert!(project_dir.join("src/test/java").exists());
}
#[test]
fn test_create_gradle_project() {
let temp_dir = TempDir::new().unwrap();
let project_dir = temp_dir.path().join("test-project");
let result = ProjectInitializationService::create_project(
&project_dir,
"test-project",
"com.example",
BuildSystemType::Gradle,
JavaVersion::new(17, 0, 0),
);
assert!(result.is_ok());
assert!(project_dir.join("build.gradle").exists());
assert!(project_dir.join("settings.gradle").exists());
assert!(project_dir.join("src/main/java").exists());
}
#[test]
fn test_create_jbuild_project() {
let temp_dir = TempDir::new().unwrap();
let project_dir = temp_dir.path().join("test-project");
let result = ProjectInitializationService::create_project(
&project_dir,
"test-project",
"com.example",
BuildSystemType::JBuild,
JavaVersion::new(17, 0, 0),
);
assert!(result.is_ok());
assert!(project_dir.join("jbuild.toml").exists());
assert!(project_dir.join("src/main/java").exists());
}
#[test]
fn test_create_project_directory_exists() {
let temp_dir = TempDir::new().unwrap();
let result = ProjectInitializationService::create_project(
temp_dir.path(),
"test",
"com.example",
BuildSystemType::Maven,
JavaVersion::new(17, 0, 0),
);
assert!(result.is_err());
}
#[test]
fn test_sample_java_file_created() {
let temp_dir = TempDir::new().unwrap();
let project_dir = temp_dir.path().join("test-project");
ProjectInitializationService::create_project(
&project_dir,
"test-project",
"com.example",
BuildSystemType::Maven,
JavaVersion::new(17, 0, 0),
).unwrap();
let app_java = project_dir.join("src/main/java/com/example/App.java");
assert!(app_java.exists());
let content = fs::read_to_string(app_java).unwrap();
assert!(content.contains("package com.example"));
assert!(content.contains("public class App"));
}
}