from typing import Any, TextIO

from osdk.model import ComponentManifest, TargetManifest, Props
from osdk.ninja import Writer
from osdk.logger import Logger
from osdk.context import Context, contextFor
from osdk import shell

logger = Logger("builder")


def gen(out: TextIO, context: Context):
    writer = Writer(out)

    target = context.target

    writer.comment("File generated by the build system, do not edit")
    writer.newline()

    writer.separator("Tools")
    for key in target.tools:
        tool = target.tools[key]
        writer.variable(key, tool.cmd)
        writer.variable(
            key + "flags", " ".join(tool.args))
        writer.newline()

    writer.separator("Rules")


def build(componentSpec: str, targetSpec: str = "default",  props: Props = {}) -> str:
    context = contextFor(targetSpec, props)
    target = context.target

    shell.mkdir(target.builddir())
    ninjaPath = f"{target.builddir()}/build.ninja"

    with open(ninjaPath, "w") as f:
        gen(f, context)

    raise NotImplementedError()

    return ""