def build_target_dag(project, targets):

    dag = []

    for target in targets:

        dag.append({
            "name": f"{target.system}-{target.arch}",
            "target": target,
            "steps": generate_steps(project, target)
        })

    return dag


def generate_steps(project, target):

    steps = []

    # -----------------------------
    # SYSTEM-SPECIFIC BUILD LOGIC
    # -----------------------------

    if target.system == "gentoo":
        steps.append({
            "name": "emerge",
            "command": f"emerge -e {project['name']}"
        })

    elif target.system == "buildroot":
        steps.append({
            "name": "buildroot",
            "command": "make"
        })

    elif target.system == "openwrt":
        steps.append({
            "name": "openwrt",
            "command": "make world"
        })

    elif target.system == "alfs":
        steps.append({
            "name": "alfs",
            "command": "./build-lfs.sh"
        })

    elif target.system == "sourcemage":
        steps.append({
            "name": "sorcery",
            "command": "cast " + project["name"]
        })

    elif target.system == "lunar":
        steps.append({
            "name": "lunar",
            "command": "lunar build " + project["name"]
        })

    return steps