#!/usr/bin/env python3.12

import os
import random
import aiosqlite as sqlite3

from fastapi import FastAPI


class RandMsg(FastAPI):
    """Random Message Endpoint"""   
    def __init__(self, app: FastAPI, util, constants):  # pylint: disable=super-init-not-called
        self.app = app
        self.util = util
        self.constants = constants

        self.endpoint_name = "randmsg"

        app.add_api_route("/%s/" % self.endpoint_name, self.randmsg_handler, methods=["POST"])
    
    async def randmsg_handler(self):
        """
        Get a randomly generated message
        """
        random.seed()
        db_rand_selected = random.choice([0, 1, 3])
        title_attr = "Unknown"

        match db_rand_selected:
            case 0:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "qajoke.db")  # For qajoke db
                db_query = "SELECT id, ('<b>Q:</b> ' || question || '<br/><b>A:</b> '" \
                    "|| answer) FROM jokes ORDER BY RANDOM() LIMIT 1" # For qajoke db
                title_attr = "QA Joke DB"
            case 1:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "randmsg.db") # For randmsg db
                db_query = "SELECT id, msg FROM msgs WHERE" \
                    "LENGTH(msg) <= 180 ORDER BY RANDOM() LIMIT 1" # For randmsg db
                title_attr = "Random Msg DB"
            case 2:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "trump.db") # For Trump Tweet DB
                db_query = "SELECT id, content FROM tweets" \
                     "ORDER BY RANDOM() LIMIT 1" # For Trump Tweet DB
                title_attr = "Trump Tweet DB"
            case 3:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "philo.db") # For Philo DB
                db_query = "SELECT id, (content || '<br> - ' || speaker) FROM quotes" \
                     "ORDER BY RANDOM() LIMIT 1"  # For Philo DB
                title_attr = "Philosophical Quotes DB"
            case 4:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "hate.db") # For Hate DB
                db_query = """SELECT id, ("<font color='#FF0000'>" || comment) FROM hate_speech" \
                    "WHERE length(comment) <= 180 ORDER BY RANDOM() LIMIT 1"""
                title_attr = "Hate Speech DB"
            case 5:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "rjokes.db") # r/jokes DB
                db_query = """SELECT id, (title || "<br>" || body) FROM jokes""" \
                    """WHERE score >= 10000 ORDER BY RANDOM() LIMIT 1"""
                title_attr = "r/jokes DB"
            case 6:
                randmsg_db_path = os.path.join("/",
                                               "var",
                                               "lib",
                                               "singerdbs",
                                               "donnies.db") # Donnies DB
                random.seed()
                twilight_or_mice = random.choice(["twilight", "mice"])
                db_query = f"SELECT id, text FROM {twilight_or_mice} ORDER BY RANDOM() LIMIT 1"
                title_attr = "Donnies DB"
                                              
        async with sqlite3.connect(database=randmsg_db_path, timeout=1) as _db:
            async with _db.execute(db_query) as _cursor:
                result = await _cursor.fetchone()
                (result_id, result_msg) = result
                result_msg = result_msg.strip()
                return {
                    "id": result_id,
                    "msg": result_msg,
                    'title': title_attr
                }