import os
import json
from snapshot import create_snapshot
from scheduler import build_distcc_hosts
from config import CONFIG


def run(cmd, cwd, env):
    import subprocess

    p = subprocess.Popen(
        cmd,
        shell=True,
        cwd=cwd,
        env=env,
        stdout=subprocess.PIPE,
        stderr=subprocess.STDOUT,
        text=True
    )

    for line in p.stdout:
        print(line, end="")

    p.wait()
    return p.returncode


def build_target(project, snapshot, target, nodes):
    env = os.environ.copy()
    env["DISTCC_HOSTS"] = build_distcc_hosts(nodes)

    cmd = project["targets"][target]

    print(f"[FESTER] target={target}")
    print(f"[FESTER] snapshot={snapshot['hash']}")

    return run(cmd, snapshot["path"], env)


def run_release(project):
    snapshot = create_snapshot(project["source"])
    nodes = CONFIG["nodes"]

    results = {}

    for target in project["targets"]:
        results[target] = build_target(project, snapshot, target, nodes)

    return results


if __name__ == "__main__":
    import sys

    with open(sys.argv[1], "r") as f:
        project = json.load(f)

    run_release(project)