#!/usr/bin/env bash
set -euo pipefail
cd "$(dirname "$0")/.."

mode="${1:-all}"
case "$mode" in all|l1|l2) ;; *) echo 'Usage: bash scripts/verify-webgl-display.sh [all|l1|l2]' >&2; exit 2 ;; esac

if [[ "$mode" != l2 ]]; then
  ./mvnw -o test
  node --test src/test/js/webgl-player.test.cjs
  ./mvnw -o -DskipTests package
  echo 'L1 WebGL display: PASS (Java regression, Node player regression, WAR package)'
fi
[[ "$mode" != l1 ]] || exit 0

# No existing database, credentials, volume, or application container is used.
image="${WEBGL_CONTRACT_POSTGRES_IMAGE:-postgres:16}"
docker image inspect "$image" >/dev/null
container="bibimbap-webgl-contract-$$-${RANDOM}"
cleanup() { docker rm -f "$container" >/dev/null 2>&1 || true; }
docker run --pull=never -d --name "$container" --label bibimbap.webgl-contract=true \
  -e POSTGRES_HOST_AUTH_METHOD=trust -e POSTGRES_DB=webgl_contract \
  -p 127.0.0.1::5432 "$image" >/dev/null
trap cleanup EXIT
ready=false
for ((attempt=0; attempt<60; attempt++)); do
  if docker exec "$container" pg_isready -h 127.0.0.1 -U postgres -d webgl_contract >/dev/null 2>&1; then ready=true; break; fi
  sleep 1
done
[[ "$ready" == true ]] || { echo 'Disposable PostgreSQL did not become ready' >&2; exit 1; }
sql() { docker exec -i "$container" psql -X -v ON_ERROR_STOP=1 -U postgres -d "$1" "${@:2}"; }
sql webgl_contract -q < db/schema.sql
sql webgl_contract -q <<'SQL'
SET search_path TO dev;
ALTER TABLE games DROP COLUMN display_width, DROP COLUMN display_height, DROP COLUMN display_source;
INSERT INTO users(id, display_name) VALUES (9000001, 'Legacy contract author');
INSERT INTO games(id,user_id,name) VALUES (9000001,9000001,'Legacy contract game');
SQL
for repeat in 1 2; do
  { echo 'SET search_path TO dev;'; cat db/migrations/20261014-game-display-metadata.sql; } | sql webgl_contract -q
done
sql webgl_contract -q <<'SQL'
SET search_path TO dev;
DO $$
BEGIN
  IF NOT EXISTS (SELECT 1 FROM games WHERE id=9000001 AND name='Legacy contract game'
      AND display_width IS NULL AND display_height IS NULL AND display_source IS NULL) THEN
    RAISE EXCEPTION 'Migration changed existing row or metadata nullability';
  END IF;
  UPDATE games SET display_width=800,display_height=800,display_source='build-info' WHERE id=9000001;
  BEGIN
    UPDATE games SET display_height=NULL WHERE id=9000001;
    RAISE EXCEPTION 'Partial pair unexpectedly accepted';
  EXCEPTION WHEN check_violation THEN NULL; END;
  BEGIN
    UPDATE games SET display_width=0 WHERE id=9000001;
    RAISE EXCEPTION 'Zero width unexpectedly accepted';
  EXCEPTION WHEN check_violation THEN NULL; END;
  BEGIN
    UPDATE games SET display_width=16385 WHERE id=9000001;
    RAISE EXCEPTION 'Oversize width unexpectedly accepted';
  EXCEPTION WHEN check_violation THEN NULL; END;
  BEGIN
    UPDATE games SET display_width=1,display_height=100 WHERE id=9000001;
    RAISE EXCEPTION 'Extreme ratio unexpectedly accepted';
  EXCEPTION WHEN check_violation THEN NULL; END;
  BEGIN
    UPDATE games SET display_source='unexpected' WHERE id=9000001;
    RAISE EXCEPTION 'Unknown source enum unexpectedly accepted';
  EXCEPTION WHEN check_violation THEN NULL; END;
  UPDATE games SET display_width=NULL,display_height=NULL,display_source='unknown' WHERE id=9000001;
END $$;
CREATE DATABASE webgl_fresh;
SQL
sql webgl_fresh -q < db/schema.sql
signature="SELECT 'column:'||column_name||':'||data_type||':'||is_nullable||':'||COALESCE(character_maximum_length::text,'') FROM information_schema.columns WHERE table_schema='dev' AND table_name='games' AND column_name LIKE 'display_%' UNION ALL SELECT 'constraint:'||conname||':'||pg_get_constraintdef(oid) FROM pg_constraint WHERE conrelid='dev.games'::regclass AND conname LIKE 'games_display_%' ORDER BY 1"
migrated="$(sql webgl_contract -At -c "$signature")"
fresh="$(sql webgl_fresh -At -c "$signature")"
[[ "$migrated" == "$fresh" ]] || { echo 'Fresh/migrated display schema mismatch' >&2; exit 1; }
port="$(docker port "$container" 5432/tcp)"
port="${port##*:}"
WEBGL_CONTRACT_JDBC_URL="jdbc:postgresql://127.0.0.1:${port}/webgl_contract?currentSchema=dev" \
  ./mvnw -o -Dtest=WebglDisplayDatabaseContractTest test
echo 'L2 WebGL display: PASS (legacy row, idempotency, checks, fresh equivalence, actual mapper roundtrip)'