import os
import sys

from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer

from loader import load, dmp

analyser = SentimentIntensityAnalyzer()


def main(folder):
    users, posts, firstcontrib, sumcontrib = load(folder)

    outfolder = folder + "/output/"
    os.system("mkdir -p " + outfolder)
    outfilename = outfolder + "sentiments"

    # compute toxic levels
    toxlevels = dmp(posts, 100).map(lambda p: (p['Id'], {a['Id']: computeToxLevel(a['Body']) for a in p['Answers']}), "calculating sentiments").getresults()
    toxlevels = {id: p for (id, p) in toxlevels}

    dumptoxlevels(toxlevels, outfilename + ".py")
    dumptoxlevelstxt(toxlevels, outfilename + ".txt")

    # (lvl2q, lvl2a) = readtoxleveltxt(outfilename + ".txt")
    #
    # s1 = str(toxlevels)
    # s2 = str(lvl2q)
    # # print("s1: " + s1)
    # # print("s2: " + s2)
    # if s1 != s2:
    #     print("not equal")
    # else:
    #     print("equal")
    #
    # # print("s1: " + str(imprt(folder + "/output/sentiments.py").answers))
    # # print("s2: " + str(lvl2a))
    # if str(imprt(folder + "/output/sentiments.py").answers) != str(lvl2a):
    #     print("a not equal")
    # else:
    #     print("a equal")
    #
    # if str(imprt(folder + "/output/sentiments.py").posts) != str(lvl2q):
    #     print("q not equal")
    # else:
    #     print("q equal")


def computeToxLevel(text):
    return analyser.polarity_scores(text)


def dumptoxlevels(lvls, filename):
    answers = dict()
    for p in lvls.values():
        for id, a in p.items():
            answers[id] = a
    with open(filename, "w") as file:
        file.write("posts = " + str(lvls) + "\n")
        file.write("answers = " + str(answers) + "\n")


def dumptoxlevelstxt(lvls, filename):
    answers = dict()
    for p in lvls.values():
        for id, a in p.items():
            answers[id] = a
    pstr = [str(id) + ":" + ";".join([str(aid) + ":" + str(a['neg']) + ":" + str(a['neu']) + ":" + str(a['pos']) + ":" + str(a['compound']) for (aid, a) in p.items()]) for (id, p) in lvls.items()]
    astr = [str(id) + ":" + str(p['neg']) + ":" + str(p['neu']) + ":" + str(p['pos']) + ":" + str(p['compound']) for (id, p) in answers.items()]
    pstr = ";;".join(pstr)
    astr = ";".join(astr)
    with open(filename, "w") as file:
        file.write("posts=" + pstr + "\n")
        file.write("answers=" + astr + "\n")


def readtoxleveltxt(filename):
    lines = ""
    with open(filename, 'r') as f:
        lines = f.read()
    lines = lines.split("\n")

    rq = {}
    ra = {}
    for line in lines:
        if line.startswith("posts="):
            line = line[len("posts="):]
            rq = line.split(";;")  # split by q
            # print("i1: " + str(rq[0:5]))
            rq = [l.split(":", 1) for l in rq]  # get q id
            # print("i2: " + str(rq[0:5]))
            rq = [(qid, [x.split(":") for x in a.split(";")]) if len(a) > 0 else (qid, []) for [qid, a] in rq]
            # print("i3:" + str(rq))
            # rq = {int(id): {int(1): "a" for x in a} for (id, a) in rq}
            # rq = {int(id): {str(aid[0]): str(aid) for aid in a} for (id, a) in rq}
            rq = {id: {aid: {"neg": float(neg), "neu": float(neu), "pos": float(pos), "compound": float(compound)} for [aid, neg, neu, pos, compound] in a} for (id, a) in rq}
            # print("i4:" + str(rq)[0:500])
            # sys.exit()
        elif line.startswith("answers="):
            line = line[len("answers="):]
            ra = line.split(";")
            ra = [l.split(":") for l in ra]
            # print("i1: " + str(ra[0:5]))
            ra = {id: {"neg": float(neg), "neu": float(neu), "pos": float(pos), "compound": float(compound)} for [id, neg, neu, pos, compound] in ra}
            # print("i1: " + str(ra)[0:500])

    return rq, ra


if __name__ == "__main__":
    # execute only if run as a script
    usage = sys.argv[0] + " <folder>"
    if len(sys.argv) < 2:
        print(usage)
        sys.exit(1)
    folder = sys.argv[1]
    if not os.path.isdir(folder):
        print(folder + " is not a folder")
        sys.exit(1)

    main(folder)