"""
Cannabis Licenses | Get Montana Licenses
Copyright (c) 2022 Cannlytics

Authors:
    Keegan Skeate <https://github.com/keeganskeate>
    Candace O'Sullivan-Sutherland <https://github.com/candy-o>
Created: 9/27/2022
Updated: 9/30/2022
License: <https://github.com/cannlytics/cannlytics/blob/main/LICENSE>

Description:

    Collect Montana cannabis license data.

Data Source:

    - Montana Department of Revenue | Cannabis Control Division
    URL: <https://mtrevenue.gov/cannabis/#CannabisLicenses>

"""
# Standard imports.
from datetime import datetime
import os
from time import sleep

# External imports.
from bs4 import BeautifulSoup
from cannlytics.utils import camel_to_snake
from cannlytics.utils.constants import DEFAULT_HEADERS
import pdfplumber
import requests


# Specify where your data lives.
DATA_DIR = '../data/mt'
ENV_FILE = '../.env'

# Specify state-specific constants.
STATE = 'MT'
MONTANA = {
    'retailers': {
        'url': 'https://mtrevenue.gov/?mdocs-file=60245',
        'columns': ['city', 'dba', 'license_type', 'phone']
    },
    'processors': {'url': 'https://mtrevenue.gov/?mdocs-file=60250'},
    'cultivators': {'url': 'https://mtrevenue.gov/?mdocs-file=60252'},
    'labs': {'url': 'https://mtrevenue.gov/?mdocs-file=60248'},
    'transporters': {'url': 'https://mtrevenue.gov/?mdocs-file=72489'},
}

# DEV:
data_dir = DATA_DIR
pdf_dir = f'{data_dir}/pdfs'

# Create directories if necessary.
if not os.path.exists(data_dir): os.makedirs(data_dir)
if not os.path.exists(pdf_dir): os.makedirs(pdf_dir)

# Download the retailers PDF.
timestamp = datetime.now().isoformat()[:19].replace(':', '-')
outfile = f'{pdf_dir}/mt-retailers-{timestamp}.pdf'
response = requests.get(MONTANA['retailers']['url'], headers=DEFAULT_HEADERS)
with open(outfile, 'wb') as pdf:
    pdf.write(response.content)

# FIXME: Extract text by section!
# E.g.
# doc = pdfplumber.open(outfile)
# page = doc.pages[0]
# img = page.to_image(resolution=150)
# img.draw_rects(
#     [[0, 0.25 * page.height, 0.2 * page.width, 0.95 * page.height]]
# )

# Extract the data from the PDF.
rows = []
skip_lines = ['GOVERNOR ', 'DIRECTOR ', 'Cannabis Control Division',
'Licensed Dispensary locations', 'Please note', 'registered ',
'City Location Name Sales Type Phone Number', 'Page ']
doc = pdfplumber.open(outfile)
for page in doc.pages:
    text = page.extract_text()
    lines = text.split('\n')
    for line in lines:
        skip = False
        for skip_line in skip_lines:
            if line.startswith(skip_line):
                skip = True
                break
        if skip:
            continue
        rows.append(line)

# Collect licensee data.
licensees = []
for row in rows:

    # FIXME: Rows with double-line text get cut-off.
    if '(' not in row:
        continue

    obs = {}
    if 'Adult Use' in row:
        parts = row.split('Adult Use')
        obs['license_type'] = 'Adult Use'
    else:
        parts = row.split('Medical Only')
        obs['license_type'] = 'Medical Only'
    obs['dba'] = parts[0].strip()
    obs['phone'] = parts[-1].strip()
    licensees.append(obs)

# Get a list of Montana cities.
cities = []
# response = requests.get('http://www.mlct.org/', headers=DEFAULT_HEADERS)
# soup = BeautifulSoup(response.content, 'html.parser')
# table = soup.find('table')
# for tr in table.findAll('tr'):
#     if not tr.text.strip().replace('\n', ''):
#         continue
#     city = tr.find('td').text
#     if '©' in city or ',' in city or '\n' in city or city == 'Home' or city == 'City':
#         continue
#     cities.append(city)

# remove_lines = ['RESOURCES', 'Official State Website', 'State Legislature',
# 'Chamber of Commerce', 'Contact Us']
# for ele in remove_lines:
#     cities.remove(ele)

# FIXME:
url = 'https://dojmt.gov/wp-content/uploads/2011/05/mvmtcitiescountieszips.pdf'

# TODO: Separate `city` from `dba` using list of Montana cities.
for i, licensee in enumerate(licensees):
    dba = licensee['dba']
    city_found = False
    for city in cities:
        city_name = city.upper()
        if city_name in dba:
            licensees[i]['dba'] = dba.replace(city_name, '').strip()
            licensees[i]['city'] = city
            city_found = True
            break
    if not city_found:
        print("Couldn't identify city:", dba)

# TODO: Remove duplicates.


# TODO: Lookup the address of the licenses?