import os 

# Define global variables
totalAliasCount = 0
uniqueAlias = {} 
 
def fileOpener(path):
    dirList = os.listdir(path)
    global totalAliasCount
    global uniqueAlias

    for f in dirList:
        # ignore test, input, output, and Kustomization files
        if "test" in f or "kustomization" in f or "output" in f or "input" in f:
            continue 

        file = open(path + "/" + f, 'r')
        lines = file.readlines()
        totalAliasCount, uniqueAlias = globalAliasFinder(totalAliasCount, uniqueAlias, lines , f)

def globalAliasFinder(totalAliasCount, uniqueAlias, lines, filename):

    for line in lines:
        if "alias" in line or "Alias" in line:
            totalAliasCount += 1
            linesplit = line.split()
            # Example of linesplit results
            # ['alias:', 'kured']
            key = linesplit[1]

            if key in uniqueAlias.keys():
                if filename not in uniqueAlias[key][0]:
                    uniqueAlias[key][0].append(filename) 
                uniqueAlias[key][1] += 1
            else:
                uniqueAlias[key] = [[filename], 1]
    return totalAliasCount, uniqueAlias

# # logic for individual file finder
# def aliasFinderWithinFile(file):
#     global totalAliasCount
#     global uniqueAlias
#     openedFile = open(file, "r")
#     lines = openedFile.readlines()

#     # split the file name on "/" so we can extract the file name which will be the last value in the split
#     filename = file.split("/")
#     totalAliasCount, uniqueAlias = globalAliasFinder(totalAliasCount, uniqueAlias, lines , filename[-1])



# Get the list of all files and directories 
def main():
    path = os.getcwd()

    # Directories
    containerPath = "/config/pallets/o11y/fluentbit/base/k8s-container"
    nodePath = "/config/pallets/o11y/fluentbit/base/k8s-node"
    luaPath = "/config/pallets/o11y/fluentbit/base/lua-preprocess"
    restrictionPath = "/config/pallets/o11y/fluentbit-restrictions/"


    fileOpener(path + containerPath)
    fileOpener(path + nodePath)
    fileOpener(path + luaPath)
    fileOpener(path + restrictionPath)

    print(totalAliasCount, " alias found")
    print( "---------------")

    for key, value in uniqueAlias.items():
        if value[1] > 1:
            raise Exception(key, " has duplicate alias names (", value[1], " times) . List of files with same name alias: ", value[0]) 
        else:
            print(key, "is a clean alias")

if __name__=="__main__": 
    main()