"""Validate example files."""
# Standard Library
import sys
from pathlib import Path

# Third Party
import yaml

# Project
from hyperglass.configuration.models.params import Params
from hyperglass.configuration.models.routers import Routers
from hyperglass.configuration.models.commands import Commands

EXAMPLES = Path(__file__).cwd().parent / "hyperglass" / "examples"

DEVICES = EXAMPLES / "devices.yaml"
COMMANDS = EXAMPLES / "commands.yaml"
MAIN = EXAMPLES / "hyperglass.yaml"


def _validate_devices():
    with DEVICES.open() as raw:
        devices_dict = yaml.safe_load(raw.read()) or {}
    try:
        Routers._import(devices_dict.get("routers", []))
    except Exception as e:
        raise ValueError(str(e))
    return True


def _validate_commands():
    with COMMANDS.open() as raw:
        commands_dict = yaml.safe_load(raw.read()) or {}
    try:
        Commands.import_params(commands_dict)
    except Exception as e:
        raise ValueError(str(e))
    return True


def _validate_main():
    with MAIN.open() as raw:
        main_dict = yaml.safe_load(raw.read()) or {}
    try:
        Params(**main_dict)
    except Exception as e:
        raise ValueError(str(e))
    return True


def validate_all():
    """Validate all example configs against configuration models."""
    for validator in (_validate_main, _validate_commands, _validate_devices):
        try:
            validator()
        except ValueError as e:
            raise RuntimeError(str(e))
    return True


if __name__ == "__main__":
    try:
        all_passed = validate_all()
        message = "All tests passed"
        status = 0
    except RuntimeError as e:
        message = str(e)
        status = 1
    print(message)
    sys.exit(status)