import json
import argparse

def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument('--review_data_path', type=str, default='./data')
    parser.add_argument('--meta_data_path', type=str, default='./data')
    parser.add_argument('--save_dir', type=str, default='./data/dataset')
    parser.add_argument('--dataset', type=str, default='dataset')
    return parser.parse_args()

args = parse_args()

import os
if not os.path.exists(args.save_dir + '/' + args.dataset):
    os.mkdir(args.save_dir + '/' + args.dataset)
# /datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments

''' Extract interaction sequence '''
inters = {}
with open(args.review_data_path, 'r', encoding = 'utf-8') as file:
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments.json', 'r', encoding = 'utf-8') as file:
    for line in file:
        element = json.loads(line)
        if element['reviewerID'] in inters:
            inters[element['reviewerID']].append({'time': element['unixReviewTime'], 'item': element['asin']})
        else:
            inters[element['reviewerID']] = [{'time': element['unixReviewTime'], 'item': element['asin']}]
# Filter out sequence shorter than 5
filtered_inters = {key: value for key, value in inters.items() if len(value) > 4}
final_inters = {}
for key, value in filtered_inters.items():
    # Sort items according to time
    value.sort(key = lambda x: x['time'])
    final_inters[key] = [x['item'] for x in value]
# Save interaction
with open(args.save_dir + '/' + args.dataset + '/' + args.dataset + '.inters.json', 'w', encoding = 'utf-8') as f:
    json.dump(final_inters, f, ensure_ascii = False, indent = 4)

''' Extract user review '''
reviews = {}
with open(args.review_data_path, 'r', encoding = 'utf-8') as file:
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments.json', 'r', encoding = 'utf-8') as file:
    for line in file:
        element = json.loads(line)
        if len(element.get('reviewText', '')) > 0:
            reviews[element['reviewerID']] = {element['asin']: element['reviewText']}
        else:
            continue
with open(args.save_dir + '/' + args.dataset + '/' + args.dataset + '.reviews.json', 'w', encoding = 'utf-8') as f:
    json.dump(reviews, f, ensure_ascii = False, indent = 4)

''' Extract item features '''
features = {}
with open(args.meta_data_path, 'r', encoding = 'utf-8') as file:
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/meta_Musical_Instruments.json', 'r', encoding = 'utf-8') as file:
    for line in file:
        element = json.loads(line)
        if len(element.get('title', '')) > 0 and len(element.get('description', '')) > 0 and len(element.get('imageURL', '')) > 0 and len(element.get('imageURLHighRes', '')) > 0:
            features[element['asin']] = {
                'title': element['title'], 
                'description': element['description'], 
                'image': element['imageURL'], 
                'imageH': element['imageURLHighRes']}
        else:
            continue
with open(args.save_dir + '/' + args.dataset + '/' + args.dataset + '.features.json', 'w', encoding = 'utf-8') as f:
    json.dump(features, f, ensure_ascii = False, indent = 4)

''' Filter out modality deficiency '''
with open(args.save_dir + '/' + args.dataset + '/' + args.dataset + '.inters.json', 'r', encoding = 'utf-8') as file:
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.json', 'r', encoding = 'utf-8') as file:
    inters = json.load(file)
with open(args.save_dir + '/' + args.dataset + '/' + args.dataset + '.features.json', 'r', encoding = 'utf-8') as file:
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.json', 'r', encoding = 'utf-8') as file:
    features = json.load(file)
# Remove items lacking modalities
full_inters = {}
number = 1
for key, value in inters.items():
    full_value = []
    for item in value:
        if features.get(item, None) is None:
            continue
        elif len(features[item]['title']) == 0:
            continue
        elif len(' '.join(features[item]['description'])[:-1]) == 0:
            continue
        else:
            try:
                open_image = Image.open(requests.get(features[item]['imageH'][0], stream = True).raw)
            except PIL.UnidentifiedImageError:
                print('Caught UnidentifiedImageError.')
                continue
            except Exception as e:
                print('Caught Exception.')
                continue
        full_value.append(item)
    if len(full_value) > 4:
        print('Interaction', number)
        full_inters[key] = full_value
        number += 1
    else:
        continue
# Save full interaction sequences
with open(args.save_dir + '/' + args.dataset + '/' + args.dataset + '.inters.full.json', 'w', encoding = 'utf-8') as f:
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.complete.json', 'w', encoding = 'utf-8') as f:
    json.dump(full_inters, f, ensure_ascii = False, indent = 4)

# inters = {}
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments.json', 'r', encoding = 'utf-8') as file:
#     for line in file:
#         element = json.loads(line)
#         if element['reviewerID'] in inters:
#             inters[element['reviewerID']].append({'time': element['unixReviewTime'], 'item': element['asin']})
#         else:
#             inters[element['reviewerID']] = [{'time': element['unixReviewTime'], 'item': element['asin']}]

# filtered_inters = {key: value for key, value in inters.items() if len(value) > 4}
# final_inters = {}
# for key, value in filtered_inters.items():
#     value.sort(key = lambda x: x['time'])
#     final_inters[key] = [x['item'] for x in value]
# # print(len(final_inters))
# # length: 40673

# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.json', 'w', encoding = 'utf-8') as f:
#     json.dump(final_inters, f, ensure_ascii = False, indent = 4)

# reviews = {}
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments.json', 'r', encoding = 'utf-8') as file:
#     for line in file:
#         element = json.loads(line)
#         if len(element.get('reviewText', '')) > 0:
#             reviews[element['reviewerID']] = {element['asin']: element['reviewText']}
#         else:
#             continue
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.reviews.json', 'w', encoding = 'utf-8') as f:
#     json.dump(reviews, f, ensure_ascii = False, indent = 4)

# features = {}
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/meta_Musical_Instruments.json', 'r', encoding = 'utf-8') as file:
#     for line in file:
#         element = json.loads(line)
#         if len(element.get('title', '')) > 0 and len(element.get('description', '')) > 0 and len(element.get('imageURL', '')) > 0 and len(element.get('imageURLHighRes', '')) > 0:
#             features[element['asin']] = {
#                 'title': element['title'], 
#                 'description': element['description'], 
#                 'image': element['imageURL'], 
#                 'imageH': element['imageURLHighRes']}
#         else:
#             continue
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.json', 'w', encoding = 'utf-8') as f:
#     json.dump(features, f, ensure_ascii = False, indent = 4)

# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.json', 'r', encoding = 'utf-8') as file:
#     inters = json.load(file)
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.json', 'r', encoding = 'utf-8') as file:
#     features = json.load(file)

# full_inters = {}
# for key, value in inters.items():
#     full_value = []
#     for item in value:
#         if features.get(item, None) is None:
#             continue
#         else:
#             full_value.append(item)
#     if len(full_value) > 4:
#         full_inters[key] = full_value
#     else:
#         continue
# with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.full.json', 'w', encoding = 'utf-8') as f:
#     json.dump(full_inters, f, ensure_ascii = False, indent = 4)

import json
both, text, image, num = 0, 0, 0, 0
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/meta_Toys_and_Games.json', 'r', encoding = 'utf-8') as file:
    for line in file:
        element = json.loads(line)
        text_image = text + image
        num += 1
        if len(element.get('title', '')) + len(element.get('description', '')) == 0:
            text += 1
        if len(element.get('imageURL', '')) + len(element.get('imageURLHighRes', '')) == 0:
            image += 1
        both = both + (text + image - text_image) // 2

print('item:', num)
print('both:', both)
print('text:', text)
print('image', image)

for value in full_inters.values():
    all_items += value

items = list(set(all_items))
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.items.txt', 'w') as f:
    for item in items:
        f.write(item + '\n')

with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.items.txt', 'r') as f:
    items = f.read()
items = items.split('\n')

item_order_mapping = {}
item_order_reverse = {}
item_order = 0
for item in items:
    item_order_mapping[item] = str(item_order)
    item_order_reverse[str(item_order)] = item
    item_order += 1

with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.item_order_mapping.json', 'w', encoding = 'utf-8') as f:
    json.dump(item_order_mapping, f, ensure_ascii = False, indent = 4)
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.item_order_reverse.json', 'w', encoding = 'utf-8') as f:
    json.dump(item_order_reverse, f, ensure_ascii = False, indent = 4)

import json
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.full.json', 'r', encoding = 'utf-8') as file:
    inters = json.load(file)
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.json', 'r', encoding = 'utf-8') as file:
    features = json.load(file)

all_items = []
for value in inters.values():
    all_items += value
items = list(set(all_items))

full_features = {}
for item in items:
    full_features[item] = features[item]
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.complete.json', 'w', encoding = 'utf-8') as f:
    json.dump(full_features, f, ensure_ascii = False, indent = 4) 

with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.complete.json', 'r', encoding = 'utf-8') as f:
    features = json.load(f)

with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.item_order_mapping.json', 'r', encoding = 'utf-8') as f:
    item_order_mapping = json.load(f)


with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.complete.json', 'r', encoding = 'utf-8') as f:
    inters = json.load(f)

inter_reorder = {}
index = 0
for inter in inters:
    inter_reorder[str(index)] = []
    for item in inters[inter]:
        inter_reorder[str(index)].append(int(item_order_mapping[item]))
    index += 1
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.inters.numerical.json', 'w', encoding = 'utf-8') as f:
    json.dump(inter_reorder, f, ensure_ascii = False, indent = 4)

feature_reorder = {}
for item in features:
    feature_reorder[item_order_mapping[item]] = features[item]
with open('/datain/v-yinju/LLMBased_Multimodal_RS/Data/Musical_Instruments/Musical_Instruments.features.numerical.json', 'w', encoding = 'utf-8') as f:
    json.dump(feature_reorder, f, ensure_ascii = False, indent = 4)


with open('/datain/v-yinju/rqvae-zzx/data/Instruments/Instruments.inter.json', 'r', encoding = 'utf-8') as f:
    inters = json.load(f)
with open('/datain/v-yinju/rqvae-zzx/data/Instruments/Instruments.index.json', 'r', encoding = 'utf-8') as f:
    indices = json.load(f)
with open('/datain/v-yinju/rqvae-zzx/data/Instruments/Instruments.item.json', 'r', encoding = 'utf-8') as f:
    features = json.load(f)


for uid, inter in inters:
    remapped_inter = []
    for item in inter:
        if str(item) in indices:
            remapped_inter.append(''.join(indices[str(item)]))
    if len(remapped_inter) >= 5:
        remapped_inters[uid] = remapped_inter

from datasets import load_dataset, Dataset
amazon = load_dataset("pandas", data_files= '/datain/v-yinju/rqvae-zzx/data/Instruments/Instruments.inter.test.pkl')['train']
SYSTEM_PROMPT = """
Below is an instruction that describes a task. Write a response that appropriately completes the request. Respond in the following format:
<reasoning>
...
</reasoning>
<answer>
...
</answer>
"""

Amazon = amazon.map(lambda x: {
    'prompt': [
        {'role': 'system', 'content': SYSTEM_PROMPT},
        {'role': 'user', 'content': x['instruction']}
    ],
    'answer': x['response']
})