import jieba
import numpy as np

# 開啟詞典檔案，返回列表
def open_dict(Dict='hahah',path = 'C:\E\Textming\Textming/'):
    path = path + '%s.txt' %Dict

    dictionary = open(path, 'r', encoding='utf-8')
    dict = []
    for word in dictionary:
        word = word.strip('\n')
        dict.append(word)
    return dict


def judgeodd(num):
    if num % 2 == 0:
        return 'even'
    else:
        return 'odd'

deny_word = open_dict(Dict='否定詞')
posdict = open_dict(Dict='positive')
negdict = open_dict(Dict = 'negative')
degree_word = open_dict(Dict = '程度級別詞語')
# print('deny_word',deny_word)
# print('posdict',posdict)
# print('negdict',negdict)
# print('degree_word',degree_word)

mostdict = degree_word[degree_word.index('extreme')+1: degree_word.index('very')] #權重4，即在情感前乘以3
verydict = degree_word[degree_word.index('very')+1: degree_word.index('more')] #權重3
moredict = degree_word[degree_word.index('more')+1: degree_word.index('ish')]#權重2
ishdict = degree_word[degree_word.index('ish')+1: degree_word.index('last')]#權重0.5
# print('mostdict',mostdict)
# print('verydict',verydict)
# print('moredict',moredict)
# print('ishdict',ishdict)

def sentiment_score_list(dataset):

    seg_sentence = dataset.split('。')
    print('seg_sentence',seg_sentence)


    count1 = []
    count2 = []
    for sen in seg_sentence: # 迴圈遍歷每一個評論
        segtmp = jieba.lcut(sen, cut_all=False) # 把句子進行分詞，以列表的形式返回

        i = 0 #記錄掃描到的詞的位置
        a = 0 #記錄情感詞的位置
        poscount = 0 # 積極詞的第一次分值
        poscount2 = 0 # 積極反轉後的分值
        poscount3 = 0 # 積極詞的最後分值（包括歎號的分值）
        negcount = 0
        negcount2 = 0
        negcount3 = 0
        for word in segtmp:

            if word in posdict: # 判斷詞語是否是情感詞
                poscount +=1

                c = 0#否定詞個數

                for w in segtmp[a:i]: # 掃描情感詞前的程度詞
                    if w in mostdict:

                        poscount *= 4.0

                    elif w in verydict:

                        poscount *= 3.0
                    elif w in moredict:

                        poscount *= 2.0
                    elif w in ishdict:

                        poscount *= 0.5
                    elif w in deny_word:

                        c+= 1

                if judgeodd(c) == 'odd': # 掃描情感詞前的否定詞數,奇數

                    poscount *= -1.0
                    poscount2 += poscount
                    poscount = 0
                    poscount3 = poscount + poscount2 + poscount3
                    poscount2 = 0

                else:

                    poscount3 = poscount + poscount2 + poscount3
                    poscount = 0

                a = i+1

            elif word in negdict: # 消極情感的分析，與上面一致

                negcount += 1
                d = 0#否定詞的個數

                for w in segtmp[a:i]:
                    if w in mostdict:

                        negcount *= 4.0
                    elif w in verydict:

                        negcount *= 3.0
                    elif w in moredict:

                        negcount *= 2.0
                    elif w in ishdict:

                        negcount *= 0.5
                    elif w in deny_word:


                        d += 1
                if judgeodd(d) == 'odd':

                    negcount *= -1.0
                    negcount2 += negcount
                    negcount = 0
                    negcount3 = negcount + negcount2 + negcount3
                    negcount2 = 0
                else:

                    negcount3 = negcount + negcount2 + negcount3
                    negcount = 0
                a = i + 1
            elif word == '！' or word == '!': # 判斷句子是否有感嘆號

                for w2 in segtmp[::-1]: # 掃描感嘆號前的情感詞，發現後權值+2，然後退出迴圈
                    if w2 in posdict or negdict:
                        poscount3 += 2
                        negcount3 += 2
                        break
            i += 1

            # 以下是防止出現負數的情況
            pos_count = 0
            neg_count = 0
            if poscount3 <0 and negcount3 > 0:
                neg_count += negcount3 - poscount3
                pos_count = 0
            elif negcount3 <0 and poscount3 > 0:
                pos_count = poscount3 - negcount3
                neg_count = 0
            elif poscount3 <0 and negcount3 < 0:
                neg_count = -pos_count
                pos_count = -neg_count
            else:
                pos_count = poscount3
                neg_count = negcount3
            # print('[pos_count,neg_count]',[pos_count,neg_count])
            count1.append([pos_count,neg_count])
        count2.append(count1)
        count1=[]
    # print('count2',count2)

    return count2

def sentiment_score(senti_score_list):
    score = []
    for review in senti_score_list:
        score_array =  np.array(review)


        Pos = np.sum(score_array[:,0])
        Neg = np.sum(score_array[:,1])

        AvgPos = np.mean(score_array[:,0])
        AvgPos = float('%.lf' % AvgPos)
        AvgNeg = np.mean(score_array[:, 1])
        AvgNeg = float('%.1f' % AvgNeg)
        StdPos = np.std(score_array[:, 0])
        StdPos = float('%.1f' % StdPos)
        StdNeg = np.std(score_array[:, 1])
        StdNeg = float('%.1f' % StdNeg)
        score.append([Pos,Neg,AvgPos,AvgNeg,StdPos,StdNeg])
    return score

data = '用了幾天又來評價的，手機一點也不卡，玩榮耀的什麼的不是問題,充電快，電池夠大，玩遊戲可以玩幾個小時，待機應該可以兩三天吧，很贊'
fun1=sentiment_score_list(data)
print(sentiment_score(fun1))#[[13.5, 45.0, 0.0, 1.1, 0.2, 1.0]]，[Pos,Neg,AvgPos,AvgNeg,StdPos,StdNeg]