# meson.build - USM Installer build configuration
# This is a standalone project for building the USM installer

project('usm-installer', 'c',
    version: '0.1.0',
    default_options: ['warning_level=1']
)

installer_dir = meson.current_source_dir()
project_root = installer_dir / '..'
usm_source_dir = project_root / 'src'

# Version from project
version = meson.project_version()

# Find required programs
bash = find_program('bash', required: true)
tar = find_program('tar', required: true)
xz = find_program('xz', required: true)
git = find_program('git', required: true)

# Installer source files
installer_sources = files(
    'utils.sh',
    'ui.sh',
    'pm_base.sh',
    'pm_apt.sh',
    'pm_dnf.sh',
    'build_config.sh',
    'main.sh'
)

# Compile script
compile_script = installer_dir / 'compile.sh'

# Output directory and file
output_dir = installer_dir / 'dist'
installer_output = output_dir / 'install-usm.sh'

# Ensure the output directory exists
run_command('mkdir', '-p', output_dir, check: false)

# Custom command to build the installer
build_installer = custom_target(
    'install-usm.sh',
    output: 'install-usm.sh',
    input: installer_sources,
    command: [
        bash, compile_script,
        '@OUTPUT@',
        version,
        usm_source_dir
    ],
    build_by_default: true,
    install: false,
)

# Create a custom target for distribution
alias_target('installer', build_installer)

# Message about the installer
message('USM Installer will be built to: ' + installer_output)