import os
import pandas as pd
from collections import defaultdict
import unicodedata


def get_act_name_and_slots(act="request(cuisine)"):
    acts = [act]
    if "&" in act:
        acts = act.split("&")
    for act in acts:
        if "(" not in act:
            return act, []
        act_name = act.split("(")[0]
        try:
            slots = act.split("(")[1].split(")")[0].split(",")
        except IndexError:
            slots = []
            print(f"Error parsing act: {act}")
        return act_name, slots


data_files = []

for filename in os.listdir("data"):
    f = os.path.join("data", filename)
    if os.path.isfile(f):
        data_files.append(pd.read_csv(f, sep='\t', header=None))

acts = defaultdict(lambda: {"msg": [], "slots": []})

for df in data_files:
    if len(df.columns) == 3:
        df.columns = ["agent", "message", "act"]
    else:
        continue
    current_acts = df['act']
    user_speech_rows = df[df['agent'] == "user"]["message"]
    for act, speech in zip(current_acts, user_speech_rows):
        speech = unicodedata.normalize('NFKD', speech).encode(
            'ASCII', 'ignore').decode('utf-8')
        act_name, slots = get_act_name_and_slots(act)
        for i in range(len(slots)):
            slots[i] = unicodedata.normalize(
                'NFKD', slots[i]).encode('ASCII', 'ignore').decode('utf-8')
        acts[act_name]["slots"] += slots
        acts[act_name]["msg"].append(speech)

print("Acts:")
for act in acts:
    if act in ["hello", "welcomemsg", "ack", "rezerwuj"]:
        continue
    print(f"{act}: {len(acts[act]['msg'])} examples")
    for sentence in acts[act]["msg"]:
        print(f"\t{sentence}")

    print("\n\n")
    print()

df_act = pd.DataFrame(acts)
df_act.to_json("acts.json", orient="index")
print("Acts saved to acts.json")