// 04_buildah_operations.rhai
// Demonstrates container operations using SAL's buildah integration
// Note: This script requires buildah to be installed and may need root privileges

// Check if buildah is installed
let buildah_exists = which("buildah");
println(`Buildah exists: ${buildah_exists}`);

// Create a builder object
println("\nCreating a builder object:");
let container_name = "my-container-example";

// Create a new builder
let builder = bah_new(container_name, "alpine:latest");

// Reset the builder to remove any existing container
println("\nResetting the builder to start fresh:");
let reset_result = builder.reset();
println(`Reset result: ${reset_result}`);

// Create a new container after reset
println("\nCreating a new container after reset:");
builder = bah_new(container_name, "alpine:latest");
println(`Container created with ID: ${builder.container_id}`);
println(`Builder created with name: ${builder.name}, image: ${builder.image}`);

// List available images (only if buildah is installed)
println("\nListing available container images:");
// if ! buildah_exists != "" {
//     //EXIT
// }
let images = builder.images();
println(`Found ${images.len()} images`);

// Print image details (limited to 3)
let count = 0;
for img in images {
    if count >= 3 {
        break;
    }
    println(`  - ID: ${img.id}, Name: ${img.name}, Created: ${img.created}`);
    count += 1;
}

//Run a command in the container
println("\nRunning a command in the container:");
let run_result = builder.run("echo 'Hello from container'");
println(`Command output: ${run_result.stdout}`);

//Add a file to the container
println("\nAdding a file to the container:");
let test_file = "test_file.txt";
// Create the test file using Rhai's file_write function
file_write(test_file, "Test content");
println(`Created test file: ${test_file}`);
println(`Created test file: ${test_file}`);
let add_result = builder.add(test_file, "/");
println(`Add result: ${add_result.success}`);

//Commit the container to create a new image
println("\nCommitting the container to create a new image:");
let commit_result = builder.commit("my-custom-image:latest");
println(`Commit result: ${commit_result.success}`);

//Remove the container
println("\nRemoving the container:");
let remove_result = builder.remove();
println(`Remove result: ${remove_result.success}`);

//Clean up the test file
delete(test_file);

// Demonstrate static methods
println("\nDemonstrating static methods:");
println("Building an image from a Dockerfile:");
let build_result = builder.build("example-image:latest", ".", "example_Dockerfile", "chroot");
println(`Build result: ${build_result.success}`);

// Pull an image
println("\nPulling an image:");
let pull_result = builder.image_pull("alpine:latest", true);
println(`Pull result: ${pull_result.success}`);

// Skip commit options demonstration since we removed the legacy functions
println("\nSkipping commit options demonstration (legacy functions removed)");

// Demonstrate config method
println("\nDemonstrating config method:");
// Create a new container for config demonstration
println("Creating a new container for config demonstration:");
builder = bah_new("config-demo-container", "alpine:latest");
println(`Container created with ID: ${builder.container_id}`);

let config_options = #{
    "author": "Rhai Example",
    "cmd": "/bin/sh -c 'echo Hello from Buildah'"
};
let config_result = builder.config(config_options);
println(`Config result: ${config_result.success}`);

// Clean up the container
println("Removing the config demo container:");
builder.remove();


"Buildah operations script completed successfully!"