#!/usr/bin/env nu

def main [] {
    let config = {
        output: "compile_commands.json",
        compiler: "gcc"
        src_dir:  "src"
        flags: [
            "-Isrc"
        ]
    }

    let path_root = ($env.PWD | path expand | str replace --all '\' '/')
    let sources = (glob $"($config.src_dir)/**/*.c")

    let compile_db = ($sources | each { |path_file| 
        let path_file_normalized = ($path_file | str replace --all '\' '/')
        {
            arguments: [
                $config.compiler,
                "-std=c99"
                "-c",
                ...$config.flags,
                $path_file_normalized,
            ]
            directory: $path_root,
            file:      $path_file_normalized,
        }
    })

    $compile_db | to json | save -f $config.output

    print "Done."
}