# DROP TABLES

songplay_table_drop = "DROP TABLE IF EXISTS songplays"
user_table_drop = "DROP TABLE IF EXISTS users"
song_table_drop = "DROP TABLE IF EXISTS songs"
artist_table_drop = "DROP TABLE IF EXISTS artists"
time_table_drop = "DROP TABLE IF EXISTS time"

# CREATE TABLES

songplay_table_create = ("""
CREATE TABLE IF NOT EXISTS songplays(
songplay_id SERIAL PRIMARY KEY,
start_time TIMESTAMP NOT NULL,
user_id INTEGER NOT NULL,
level VARCHAR,
song_id VARCHAR,
artist_id VARCHAR,
session_id INTEGER,
location VARCHAR,
user_agent VARCHAR
);
""")

user_table_create = ("""
CREATE TABLE IF NOT EXISTS users(
user_id INTEGER PRIMARY KEY,
first_name VARCHAR,
last_name VARCHAR,
gender CHAR(1),
level VARCHAR
);
""")

song_table_create = ("""
CREATE TABLE IF NOT EXISTS songs(
song_id VARCHAR PRIMARY KEY,
title VARCHAR,
artist_id VARCHAR,
year INTEGER,
duration FLOAT
);
""")

artist_table_create = ("""
CREATE TABLE IF NOT EXISTS artists(
artist_id VARCHAR PRIMARY KEY,
name VARCHAR,
location VARCHAR,
latitude FLOAT,
longitude FLOAT
);
""")

time_table_create = ("""
CREATE TABLE IF NOT EXISTS time(
start_time TIMESTAMP PRIMARY KEY,
hour INTEGER,
day INTEGER,
week INTEGER,
month INTEGER,
year INTEGER,
weekday INTEGER
);
""")

# INSERT RECORDS

songplay_table_insert = ("""
INSERT INTO songplays (start_time, user_id, level, song_id, artist_id, session_id, location, user_agent)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
ON CONFLICT DO NOTHING;
""")

user_table_insert = ("""
INSERT INTO users (user_id, first_name, last_name, gender, level)
VALUES (%s, %s, %s, %s, %s)
ON CONFLICT (user_id) DO UPDATE SET level = EXCLUDED.level;
""")

song_table_insert = ("""
INSERT INTO songs (song_id, title, artist_id, year, duration)
VALUES (%s, %s, %s, %s, %s)
ON CONFLICT DO NOTHING;
""")

artist_table_insert = ("""
INSERT INTO artists (artist_id, name, location, latitude, longitude)
VALUES (%s, %s, %s, %s, %s)
ON CONFLICT DO NOTHING;
""")


time_table_insert = ("""
INSERT INTO time (start_time, hour, day, week, month, year, weekday)
VALUES (%s, %s, %s, %s, %s, %s, %s)
ON CONFLICT DO NOTHING;
""")

# FIND SONGS

song_select = ("""
SELECT
    s.song_id,
    s.artist_id
FROM
    songs s
JOIN artists a
ON s.artist_id = a.artist_id
WHERE s.title = %s AND a.name = %s AND s.duration = %s;
""")

# QUERY LISTS

create_table_queries = [songplay_table_create, user_table_create, song_table_create, artist_table_create, time_table_create]
drop_table_queries = [songplay_table_drop, user_table_drop, song_table_drop, artist_table_drop, time_table_drop]