import requests
import json

def get_docket_ids(search_term):
    url = f"https://api.regulations.gov/v4/dockets"
    params = {
        'filter[searchTerm]': search_term,
        'api_key': "your_api_key"
    }
    response = requests.get(url, params=params)
    if response.status_code == 200:
        data = response.json()
        dockets = data['data']
        docket_ids = [docket['id'] for docket in dockets]
        return docket_ids
    else:
        return f"Error: {response.status_code}"

class RegulationsDataFetcher:
    API_KEY = "your_api_key"
    BASE_COMMENT_URL = 'https://api.regulations.gov/v4/comments'
    BASE_DOCKET_URL = 'https://api.regulations.gov/v4/dockets/'
    HEADERS = {
        'X-Api-Key': API_KEY,
        'Content-Type': 'application/json'
    }

    def __init__(self, docket_id):
        self.docket_id = docket_id
        self.docket_url = self.BASE_DOCKET_URL + docket_id
        self.dataset = []

    def fetch_comments(self):
        """Fetch a single page of 25 comments."""
        url = f'{self.BASE_COMMENT_URL}?filter[docketId]={self.docket_id}&page[number]=1&page[size]=25'
        response = requests.get(url, headers=self.HEADERS)
        
        if response.status_code == 200:
            return response.json()
        else:
            print(f'Failed to retrieve comments: {response.status_code}')
            return None

    def get_docket_info(self):
        """Get docket information."""
        response = requests.get(self.docket_url, headers=self.HEADERS)
        
        if response.status_code == 200:
            docket_data = response.json()
            return (docket_data['data']['attributes']['agencyId'],
                    docket_data['data']['attributes']['title'],
                    docket_data['data']['attributes']['modifyDate'], 
                    docket_data['data']['attributes']['docketType'], 
                    docket_data['data']['attributes']['keywords'])
        else:
            print(f'Failed to retrieve docket info: {response.status_code}')
            return None

    def fetch_comment_details(self, comment_url):
        """Fetch detailed information of a comment."""
        response = requests.get(comment_url, headers=self.HEADERS)
        if response.status_code == 200:
            return response.json()
        else:
            print(f'Failed to retrieve comment details: {response.status_code}')
            return None

    def collect_data(self):
        """Collect data and reshape into nested dictionary format."""
        data = self.fetch_comments()
        docket_info = self.get_docket_info()

        # Initialize the nested dictionary structure
        nested_data = {
            "id": self.docket_id,
            "title": docket_info[1] if docket_info else "Unknown Title",
            "context": docket_info[2] if docket_info else "Unknown Context",
            "purpose": docket_info[3],
            "keywords": docket_info[4],
            "comments": []
        }

        if data and 'data' in data:
            for comment in data['data']:
                comment_details = self.fetch_comment_details(comment['links']['self'])
                
                if comment_details and 'data' in comment_details and 'attributes' in comment_details['data']:
                    comment_data = comment_details['data']['attributes']
                    nested_comment = {
                        "text": comment_data.get('comment', ''),
                        "comment_id": comment['id'],
                        "comment_url": comment['links']['self'],
                        "comment_date": comment['attributes']['postedDate'],
                        "comment_title": comment['attributes']['title'],
                        "commenter_fname": comment_data.get('firstName', ''),
                        "commenter_lname": comment_data.get('lastName', ''),
                        "comment_length": len(comment_data.get('comment', '')) if comment_data.get('comment') is not None else 0
                    }
                    nested_data["comments"].append(nested_comment)

                if len(nested_data["comments"]) >= 10:
                    break

        return nested_data
    

# CREATING DATASET
    
opioid_related_terms = [
    # Types of Opioids
    "opioids",
    "heroin", 
    "morphine", 
    "fentanyl", 
    "methadone", 
    "oxycodone", 
    "hydrocodone", 
    "codeine", 
    "tramadol", 
    "prescription opioids", 
    # Withdrawal Support
    "lofexidine", 
    "buprenorphine", 
    "naloxone", 
    # Related Phrases
    "opioid epidemic", 
    "opioid abuse", 
    "opioid crisis", 
    "opioid overdose"
    "opioid tolerance", 
    "opioid treatment program", 
    "medication assisted treatment", 
]

docket_ids = set()
all_data = []

for term in opioid_related_terms:
    docket_ids.update(get_docket_ids(term))


for docket_id in docket_ids:
    fetcher = RegulationsDataFetcher(docket_id)
    docket_data = fetcher.collect_data()
    if len(docket_data["comments"])!=0:
        print(f'{docket_id} has comments')
        all_data.append(docket_data)

json_file_path = 'docket_comments.json'

with open(json_file_path, 'w') as f:
    json.dump(all_data, f)