import flask
import sqlite3

app = flask.Flask('songbook')

# BLANK PAGE

# @app.route('/')
# def page():
    
#     db = sqlite3.connect("file:songbook.sqlite?mode=ro", uri=True)

#     return flask.render_template('.html',
#     )

# HOMEPAGE

def openbook():
    return sqlite3.connect("file:songbook.sqlite?mode=ro", uri=True)

@app.route('/')
def homepage():



    return flask.render_template('home.html')

# SEARCH RESULTS

@app.route('/search')
def searchpage():
    
    db = openbook()

    searchargs = flask.request.args['q']

    if searchargs:
        searchresult = db.execute('''
        select
            'song', id, name, instr(lower(name),lower(?))
        from
            song
        where
            name
        like
            '%' || ? || '%'
        union all
        select
            'album', id, name, instr(lower(name),lower(?))
        from
            album
        where
            name
        like
            '%' || ? || '%'
        union all
        select
            'motif', id, name, instr(lower(name),lower(?))
        from
            motif
        where
            name
        like
            '%' || ? || '%'
        order by
            4
        limit
            10
        ''',
        (searchargs,)*6
        ).fetchall()

    else:
        searchresult = []

    return flask.render_template('searchresults.html',
        searchresult=searchresult
    )




    

# SONG INDEX

@app.route('/song')
def song_redirect():
    return flask.redirect("/index", code=308)

@app.route('/index')
def songindex():
    
    db = openbook()

    album_info = db.execute('''
    select
        id, name, date, code
    from
        album
    order by
        id
    ''').fetchall()

    song_info = db.execute('''
    select
        song_album.song_id, album_id, track, song.name, song.name_jp, count(clip.song_id)
    from
        song_album
    join
        song
    on
        song_album.song_id=song.id
    left join
        clip on clip.song_id=song.id
    group by
        song_album.song_id, album_id, track, song.name, song.name_jp
    order by
        album_id,
        track
    ''').fetchall()

    return flask.render_template('songindex.html',
        album_info=album_info,
        song_info=song_info
    )

# MOTIF INDEX

@app.route('/motif')
def motifindex():
    
    db = openbook()

    category_info = db.execute('''
    select
        category.id, category.name
    from
        category
    join
        motif
    on
        category.id=motif.category
    group by
        category.id, category.name
    order by
        category.id
    ''').fetchall()

    motif_info = db.execute('''
    select
        id, name, category, count(clip.motif_id)
    from
        motif
    left join
        clip
    on
        clip.motif_id=motif.id
    group by
        id, name, category
    order by
        clip.song_id
    ''').fetchall()

    return flask.render_template('motifindex.html',
        category_info = category_info,
        motif_info = motif_info
    )

# ALBUM PAGES

@app.route('/album/<int:id>')
def albumpage(id):
    
    db = openbook()

    album_info = db.execute('''
    select
        name, date
    from
        album
    where
        id = ?
    ''',
    (id,)
    ).fetchone()

    song_info = db.execute('''
    select
        song_id, track, song.name, song.name_jp
    from
        song_album
    join
        song
    on
        song_album.song_id=song.id
    where
        album_id = ?
    ''',
    (id,)
    ).fetchall()

    return flask.render_template('album.html',
        album_info=album_info,
        song_info=song_info
    )

# MOTIF PAGES

@app.route('/motif/<int:id>')
def motifpage(id):

    db = openbook()

    # query motif

    name, = db.execute('''
    select
        name
    from
        motif
    where
        id = ?
    ''',
    (id,)
    ).fetchone()

    # query clips

    clip_info = db.execute('''
    select
        song_id, motif_id, song.name
    from
        clip
    join
        song
    on
        clip.song_id=song.id
    where
        motif_id = ?
    order by
        feature desc,
        song_id
    ''',
    (id,)
    ).fetchall()

    return flask.render_template('motif.html',
        name=name,
        clip_info=clip_info
    )

# SONG PAGES

@app.route('/song/<int:id>')
def songpage(id):
    
    db = openbook()

    # query song name

    name, = db.execute('''
    select
        name
    from
        song
    where
        id = ?
    ''',
    (id,)
    ).fetchone()
    
    # query album info
    
    album_info = db.execute('''
    select
        album_id, track, album.name, album.code
    from 
        song_album
    join
        album
    on
        song_album.album_id=album.id
    where
        song_id = ?
    order by
        album_id
    ''',
    (id,)
    ).fetchall()

    # query artist info

    artist_info = db.execute('''
    select
        artist.name, artist.name_rm, credit.name
    from
        song_artist
    join
        artist
    on
        song_artist.artist_id=artist.id
    join
        credit
    on
        song_artist.credit_id=credit.id
    where
        song_id = ?
    order by
        credit_id,
        artist.name_rm
    ''',
    (id,)
    ).fetchall()

    # query clip info

    clip_info = db.execute('''
    select
        song_id, motif_id, motif.name
    from
        clip
    join
        motif
    on
        clip.motif_id=motif.id
    where
        song_id = ?
    order by
        start_ms
    ''',
    (id,)
    ).fetchall()

    return flask.render_template('song.html',
        name=name,
        id=id,
        album_info=album_info,
        clip_info=clip_info,
        artist_info=artist_info
    )