import argparse
import os

from schema import InstructionSetSchema


description = """Examples:
    - Default theme (black on white):
        python main.py schema.xml -o out.jpg

    - Dark theme (white on black):
        python main.py schema.xml -o out.jpg -c dark.json

    - Blueprint theme (white on blue):
        python main.py schema.xml -o out.jpg -c blueprint.json

    - Transparent background:
        python main.py schema.xml -o out.png -c transparent.json
"""


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description=description, formatter_class=argparse.RawTextHelpFormatter)
    parser.add_argument("schema", help="Path to the schema description. Accepted formats are: YAML, JSON and XML")
    parser.add_argument("-o", "--output", help="Output path. By default, the output file will have the same name as the schema description with the extension .png")
    parser.add_argument("-c", "--config", help="Path to the config file", default="config.json")
    parser.add_argument("-D", "--display", help="Enable pygame display of the result", action="store_true")
    
    args = parser.parse_args()
    
    output = args.output
    if output is None:
        output = os.path.splitext(args.schema)[0] + ".png"
    
    schema = InstructionSetSchema(args.schema, args.config, args.display)
    schema.save(output)