"""
A python script to copy the metadata from the metadata.json to the actual JS files
"""

import re, json

# Test if the necessery tags exist


def test_metadata(game):
    """
    Tests each game that is passed to see if a field is found & if yes how many occurences it found
    """

    game_lines = []
    found = {
        "title": False,
        "author": False,
        "img": False,
        "tags": False,
        "addedOn": False,
    }
    occurences = {"title": 0, "author": 0, "img": 0, "tags": 0, "addedOn": 0}

    # Read game

    with open(f"./games/{game}.js") as f:
        game_lines = f.readlines()
    # Check if tags exist

    for i, l in enumerate(game_lines):
        """
        Search each line for any tag using regex, if yes count an occurence and increment found
        """

        if re.findall("@title: (.+)", l):
            found["title"] = True
            occurences["title"] = len(re.findall("@title: (.+)", l))
        if re.findall("@author: (.+)", l):
            found["author"] = True
            occurences["author"] = len(re.findall("@author: (.+)", l))
        if re.findall("@img: (.+)", l):
            found["img"] = True
            occurences["img"] = len(re.findall("@img: (.+)", l))
        if re.findall("@tags: (.+)", l):
            found["tags"] = True
            occurences["tags"] = len(re.findall("@tags: (.+)", l))
        if re.findall("@addedOn: (.+)", l):
            found["addedOn"] = True
            occurences["addedOn"] = len(re.findall("@addedOn: (.+)", l))
    # Return & print the results

    print(f"[TEST] {game}: {found} ({occurences})")
    return found


# Replace the game meta


def embed_metadata(game_metadata, test_results):
    """
    Embeds the game metadata according to what is missing from the test result
    """

    game_lines = []
    with open(f'./games/{game_metadata["filename"]}.js') as f:
        game_lines = f.readlines()
    # If no tag is found, the add a new comment at the start of the file

    if (
        test_results["title"] == False
        and test_results["author"] == False
        and test_results["img"] == False
        and test_results["tags"] == False
        and test_results["addedOn"] == False
    ):
        game_lines.insert(0, "*/\n\n")
        game_lines.insert(0, "@addedOn: " + game_metadata["addedOn"] + "\n")
        game_lines.insert(
            0,
            "@img: " + (game_metadata["img"] if game_metadata["img"] else "''") + "\n",
        )
        game_lines.insert(0, "@tags: " + str(game_metadata["tags"]) + "\n")
        game_lines.insert(0, "@author: " + game_metadata["author"] + "\n")
        game_lines.insert(0, "@title: " + game_metadata["title"] + "\n")
        game_lines.insert(0, "/*\n")

        print(f'[EMBED] {game_metadata["filename"]}: All Metadata Embed')
    # If all metadata is found, skip

    elif (
        test_results["title"] == True
        and test_results["author"] == True
        and test_results["img"] == True
        and test_results["tags"] == True
        and test_results["addedOn"] == True
    ):
        print(f'[EMBED] {game_metadata["filename"]}: No Metadata Embed')
    # If any of the metadata is missing, insert it into the 2nd line

    else:
        if test_results["addedOn"] == False:
            game_lines.insert(1, "@addedOn: " + game_metadata["addedOn"] + "\n")
        if test_results["img"] == False:
            game_lines.insert(
                1,
                "@img: "
                + (game_metadata["img"] if game_metadata["img"] else "''")
                + "\n",
            )
        if test_results["tags"] == False:
            game_lines.insert(1, "@tags: " + str(game_metadata["tags"]) + "\n")
        if test_results["author"] == False:
            game_lines.insert(1, "@author: " + game_metadata["author"] + "\n")
        if test_results["title"] == False:
            game_lines.insert(1, "@title: " + game_metadata["title"] + "\n")

        print(f'[EMBED] {game_metadata["filename"]}: Some Metadata Embed')
    with open(f'./games/{game_metadata["filename"]}.js', "w") as f:
        f.writelines(game_lines)


# Save changes

with open("./games/metadata.json") as f:
    metadata = json.load(f)
    for game_metadata in metadata:
        test_results = test_metadata(game_metadata["filename"])
        embed_metadata(game_metadata, test_results)