# DROP TABLES

songplay_table_drop = "DROP TABLE IF EXISTS songplay"
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 INT PRIMARY KEY, 
start_time TIMESTAMP NOT NULL, 
user_id INT NOT NULL, 
level VARCHAR(4), 
song_id VARCHAR(18) NOT NULL , 
artist_id VARCHAR(18) NOT NULL , 
session_id INT, 
location TEXT, 
user_agent TEXT
);
""")

user_table_create = ("""
CREATE TABLE IF NOT EXISTS users
(
user_id INT PRIMARY KEY,
first_name TEXT, 
last_name TEXT, 
gender VARCHAR(1), 
level VARCHAR(4)
);
""")

song_table_create = ("""
CREATE TABLE IF NOT EXISTS songs
(
song_id VARCHAR(18) PRIMARY KEY, 
title TEXT, 
artist_id VARCHAR(18) NOT NULL, 
year INT, 
duration FLOAT
);
""")

artist_table_create = ("""
CREATE TABLE IF NOT EXISTS artists
(
artist_id VARCHAR(18) PRIMARY KEY, 
name TEXT NOT NULL, 
location TEXT, 
latitude FLOAT, 
longitude FLOAT
);
""")

time_table_create = ("""
CREATE TABLE IF NOT EXISTS time
(
start_time TIMESTAMP PRIMARY KEY, 
hour INT, 
day INT, 
week INT, 
month INT, 
year INT, 
weekday VARCHAR(12)
);
""")

# INSERT RECORDS

songplay_table_insert = ("""
INSERT INTO songplays(songplay_id, start_time, user_id, level, song_id, artist_id, session_id, location, user_agent)
VALUES
(%s, %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 song_id, artists.artist_id 
FROM songs 
JOIN artists ON songs.artist_id=artists.artist_id
WHERE 
songs.title = ''%s'' 
AND
artists.name = ''%s''
AND
songs.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]