# coding: utf-8
# Author: Arthur 'Grizzly' Grisel-Davy

import subprocess
import json
import argparse

# TODO catch errors in parameters

def get_command(options):
    command = 'tilix'
    
    # Directory
    if options['dir']:
        command+=" -w {}".format(options['dir'])
    
    # Name
    if options['name']:
        command +=" -t {}".format(options['name'])   

    # Dimension absolute
    if 'dimensions_abs' in options.keys():
        command+=" --geometry={}x{}+{}+{}".format(options['dimensions_abs']['W'],
                                                    options['dimensions_abs']['H'],
                                                    options['dimensions_abs']['pos_W'],
                                                    options['dimensions_abs']['pos_H'])
    # Dimension Relative
    if 'dimensions_rel' in options.keys():

        with open(params_path,'r') as f:
            params = json.loads(f.read())

        L,C,H,W = 0,0,0,0
        if 'bottom' in options['dimensions_rel']:
            H = int(params["height"]/2)
        if 'right' in options['dimensions_rel']:
            W = int(params["width"]/2)

        if 'half_width' in options['dimensions_rel']:
            C = int(params['colones']/2)
        else:
            C = params['colones']

        if 'half_height' in options['dimensions_rel']:
            L = int(params['lignes']/2)
        else:
            L = params['lignes']

        command+=" --geometry={}x{}+{}+{}".format(C,L,W,H)

    # Command (must be last!)
    if 'command' in options.keys():
        command += " -e {}".format(options['command'])



    return(command)

if __name__ == "__main__":


    parser = argparse.ArgumentParser()
    parser.add_argument("template",help="Specify the templato to use (must be in ./templates).")
    parser.add_argument("-t","--templates_dir", help="Specify the template directory (absolute path)")
    parser.add_argument("-p","--parameters", help="Specify the parameters file (default to ./params.json)")
    parser.add_argument("-v", "--verbose", help="Activate verbose output", action="store_true")
    args = parser.parse_args()

    templates_dir = args.templates_dir or "./templates/"
    params_path = args.parameters or "./params.json"

    template = args.template + ".json"
    verbose = args.verbose

    with open(templates_dir+template,'r') as f:
        options = json.loads(f.read())

    for fen in options['fenetres']:
        if verbose:print("Lancement de {}:".format(fen['name']))
        command = get_command(fen)
        if verbose:print("Using command: \n{}".format(command))
        subprocess.call(command.split(' '))