#!/usr/bin/env python3
"""Mirror WowPlatter's audio/video link tables → RecordGod Postgres (for kiosk/storefront previews).

  python3 audio_sync.py | ssh -C root@100.94.195.115 \
    'docker exec -i recordgod-db psql -U recordgod -d recordgod -q -v ON_ERROR_STOP=1'

disc_release_audio = one wide row per release (apple_preview_url = a direct 30s preview, beatport_embed,
bandcamp, spotify…); disc_release_video = YouTube clips per release/track. All rows mirrored — the JOIN to
disc_release naturally filters to what the shop stocks. Re-run after a fresh Beatport/Apple enrich.
"""
import re
import pathlib
import sys

import pymysql

WP_CONFIG = "/opt/homebrew/var/www/monsterrobot.localsite/wp-config.php"
SOCK = "/opt/homebrew/var/mysql/mysql.sock"

SCHEMA = """
SET synchronous_commit = off;
DROP TABLE IF EXISTS disc_release_audio, disc_release_video CASCADE;
CREATE TABLE disc_release_audio (
  release_id bigint PRIMARY KEY, apple_url text, apple_preview_url text,
  beatport_id text, beatport_url text, beatport_embed text, beatport_genre text,
  spotify_id text, tidal_id text, deezer_id text,
  bandcamp_url text, bandcamp_embed text, soundcloud_url text, allmusic_url text, local_url text);
CREATE TABLE disc_release_video (
  release_id bigint, track_id text, title text, uri text, embed int, duration int);
"""
INDEXES = "CREATE INDEX ON disc_release_video (release_id);\nANALYZE disc_release_audio;\n"

A_COLS = ["release_id", "apple_url", "apple_preview_url", "beatport_id", "beatport_url", "beatport_embed",
          "beatport_genre", "spotify_id", "tidal_id", "deezer_id", "bandcamp_url", "bandcamp_embed",
          "soundcloud_url", "allmusic_url", "local_url"]
V_COLS = ["release_id", "track_id", "title", "uri", "embed", "duration"]


def creds():
    t = pathlib.Path(WP_CONFIG).read_text()
    g = lambda k: re.search(rf"'{k}',\s*'([^']*)'", t).group(1)
    return g("DB_NAME"), g("DB_USER"), g("DB_PASSWORD")


def cp(v):
    if v is None or v == "":
        return r"\N"
    return (str(v).replace("\\", "\\\\").replace("\t", "\\t")
            .replace("\n", "\\n").replace("\r", "\\r"))


def copy_block(out, table, cols, rows):
    out.write(f"COPY {table} ({','.join(cols)}) FROM stdin;\n")
    for r in rows:
        out.write("\t".join(cp(r[c]) for c in cols) + "\n")
    out.write("\\.\n\n")
    print(f"  {table:22} {len(rows):>7,}", file=sys.stderr)


def main():
    name, user, pw = creds()
    my = pymysql.connect(unix_socket=SOCK, user=user, password=pw, database=name,
                         cursorclass=pymysql.cursors.DictCursor)
    c = my.cursor()
    P = "wp_rmp_disc_"
    out = sys.stdout
    out.write(SCHEMA)
    print("emitting audio/video:", file=sys.stderr)
    c.execute(f"SELECT {','.join(A_COLS)} FROM {P}release_audio")
    copy_block(out, "disc_release_audio", A_COLS, c.fetchall())
    c.execute(f"SELECT {','.join(V_COLS)} FROM {P}release_video WHERE uri IS NOT NULL AND uri <> ''")
    copy_block(out, "disc_release_video", V_COLS, c.fetchall())
    out.write(INDEXES)
    print("done", file=sys.stderr)


if __name__ == "__main__":
    main()