from os import listdir, makedirs
from os.path import isdir, isfile, join
from re import search, IGNORECASE
from shutil import copy


def getFilesWith(path: str, reg: str):
    if not isdir(path):
        print(path, "is not a valid path")
        return None
    content = listdir(path)
    if len(content) == 0:
        print(path, "has no content")
        return None
    files = [f for f in content if isfile(join(path, f)) and search(reg, f, IGNORECASE)]
    if len(files) == 0:
        print(path, "contains no", reg)
        return None
    return files


def createNewFolders(dirs: list):
    for d in dirs:
        if not isdir(d):
            makedirs(d)
        else:
            print("directory already exists", d)


def createNewTemplates(objs, templatesDir, regTemplate, root):
    templatefiles = getFilesWith(templatesDir, regTemplate)
    for k in objs:
        regPhase = r""
        match k:
            case "(i)SAT":
                regPhase = r"sat"
            case "iFAT":
                regPhase = r"fat"

        files = [f for f in templatefiles if search(regPhase, f, IGNORECASE)]
        if len(files) == 0:
            print("phase %s has no templates" % k)
            continue

        for o in objs[k]:
            targetLocation = join(root, o)
            tlFiles = getFilesWith(targetLocation, regPhase)

            if tlFiles:
                print(k, "files already exist in:", targetLocation)
                print("--------------------")
                [print("|-",f) for f in tlFiles]
                print("--------------------")
                continue

            for f in files:
                templatepath = join(templatesDir, f)
                targetpath = targetLocation
                if search(r"hut_\d{4}[a-zA-Z]{2}", f, IGNORECASE):
                    targetpath = join(targetLocation, f[:4] + o + f[10:])
                copy(templatepath, targetpath)