# Copyright (C) Ivan Kravets <me@ikravets.com>
# See LICENSE for details.

from os import getcwd, makedirs
from os.path import isdir, isfile, join
from shutil import copyfile

import click

from platformio import app
from platformio.exception import ProjectInitialized
from platformio.util import get_source_dir


@click.command("init", short_help="Initialize new PlatformIO based project")
@click.option("--project-dir", "-d", default=getcwd(),
              type=click.Path(exists=True, file_okay=False, dir_okay=True,
                              writable=True, resolve_path=True))
def cli(project_dir):

    project_file = join(project_dir, "platformio.ini")
    src_dir = join(project_dir, "src")
    lib_dir = join(project_dir, "lib")
    if all([isfile(project_file), isdir(src_dir), isdir(lib_dir)]):
        raise ProjectInitialized()

    if project_dir == getcwd():
        click.secho("The current working directory", fg="yellow", nl=False)
        click.secho(" %s " % project_dir, fg="cyan", nl=False)
        click.secho(
            "will be used for the new project.\n"
            "You can specify another project directory via\n"
            "`platformio init -d %PATH_TO_THE_PROJECT_DIR%` command.\n",
            fg="yellow"
        )

    click.echo("The next files/directories will be created in %s" %
               click.style(project_dir, fg="cyan"))
    click.echo("%s - Project Configuration File" %
               click.style("platformio.ini", fg="cyan"))
    click.echo("%s - a source directory. Put your source code here" %
               click.style("src", fg="cyan"))
    click.echo("%s - a directory for the project specific libraries" %
               click.style("lib", fg="cyan"))

    if (not app.get_setting("enable_prompts") or
            click.confirm("Do you want to continue?")):
        for d in (src_dir, lib_dir):
            if not isdir(d):
                makedirs(d)
        if not isfile(project_file):
            copyfile(join(get_source_dir(), "projectconftpl.ini"),
                     project_file)
        click.secho(
            "Project has been successfully initialized!\n"
            "Now you can process it with `platformio run` command.",
            fg="green"
        )
    else:
        click.secho("Aborted by user", fg="red")