# 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 bigint NOT NULL,\
    user_id int NOT NULL,\
    level varchar,\
    song_id varchar,\
    artist_id varchar,\
    session_id int,\
    location varchar,\
    user_agent varchar);
""")

user_table_create = ("""
    CREATE TABLE IF NOT EXISTS users( user_id int PRIMARY KEY,\
    first_name varchar NOT NULL,\
    last_name varchar NOT NULL,\
    gender varchar,\
    level varchar);
""")

song_table_create = ("""
    CREATE TABLE IF NOT EXISTS songs( song_id varchar PRIMARY KEY,\
    artist_id varchar NOT NULL,\
    title varchar NOT NULL,\
    duration numeric NOT NULL,\
    year int NOT NULL);
""")

artist_table_create = ("""
    CREATE TABLE IF NOT EXISTS artists( artist_id varchar PRIMARY KEY,\
    name varchar,\
    location varchar,\
    artist_latitude numeric,\
    artist_longitude numeric);
""")

time_table_create = ("""
    CREATE TABLE IF NOT EXISTS time( start_time bigint PRIMARY KEY,\
    hour int NOT NULL,\
    day int NOT NULL,\
    week int NOT NULL,\
    month int NOT NULL,\
    year int NOT NULL,\
    weekday int NOT NULL);
""")

# 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);
""")

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, artist_id, title, duration, year)\
    VALUES (%s,%s,%s,%s,%s)
    ON CONFLICT (song_id) DO NOTHING;
""")

artist_table_insert = ("""
    INSERT INTO artists (artist_id, name, location, artist_latitude, artist_longitude)\
    VALUES (%s,%s,%s,%s,%s)
    ON CONFLICT (artist_id) 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 (start_time) DO NOTHING;
""")

# FIND SONGS

#song_select = ("""
#    SELECT song_id, songs.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;
#""")

song_select = ("""
    SELECT songs.song_id, artists.artist_id FROM artists JOIN songs ON artists.artist_id = songs.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]