from pathlib import Path

from invoke import task

ROOT = Path(__file__).parent
PB_ROOT = ROOT / "pb"


# @task
# def clean(c, docs=False, bytecode=False, extra=""):
#     patterns = ["build"]
#     if docs:
#         patterns.append("docs/_build")
#     if bytecode:
#         patterns.append("**/*.pyc")
#     if extra:
#         patterns.append(extra)
#     for pattern in patterns:
#         c.run("rm -rf {}".format(pattern))


@task(
    help={
        "target": "Target gRPC licent code to generate.",
    }
)
def gen(c, target="types"):
    """
    Generate gRPC client code.
    """
    outDir = "gen/" + target
    paths = Path(PB_ROOT).glob('**/*.proto')
    for path in paths:
        # because path is object not string
        pathStr = str(path)
        print("Generating for", pathStr)
        cmd = Path(c.run("npm bin").stdout.rstrip()).joinpath("proto-loader-gen-types")
        c.run(
            "{} --includeComments --grpcLib @grpc/grpc-js -I pb -O {} {}"
                .format(cmd, outDir, pathStr)
        )