-- サーバーAPI変更要求書対応データベース移行スクリプト
-- 2025年8月27日

BEGIN;

-- 1. NewEvent2テーブルにstatusフィールド追加
DO $$
BEGIN
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.columns 
        WHERE table_name = 'rog_newevent2' AND column_name = 'status'
    ) THEN
        ALTER TABLE rog_newevent2 ADD COLUMN status VARCHAR(20) DEFAULT 'draft' 
        CHECK (status IN ('public', 'private', 'draft', 'closed'));
        
        -- 既存のpublicフィールドからstatusフィールドへの移行
        UPDATE rog_newevent2 SET status = CASE 
            WHEN public = true THEN 'public' 
            ELSE 'draft' 
        END;
        
        COMMENT ON COLUMN rog_newevent2.status IS 'イベントステータス (public/private/draft/closed)';
    END IF;
END $$;

-- 2. Entryテーブルにスタッフ権限フィールド追加
DO $$
BEGIN
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.columns 
        WHERE table_name = 'rog_entry' AND column_name = 'staff_privileges'
    ) THEN
        ALTER TABLE rog_entry ADD COLUMN staff_privileges BOOLEAN DEFAULT FALSE;
        COMMENT ON COLUMN rog_entry.staff_privileges IS 'スタッフ権限フラグ';
    END IF;
    
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.columns 
        WHERE table_name = 'rog_entry' AND column_name = 'can_access_private_events'
    ) THEN
        ALTER TABLE rog_entry ADD COLUMN can_access_private_events BOOLEAN DEFAULT FALSE;
        COMMENT ON COLUMN rog_entry.can_access_private_events IS '非公開イベント参加権限';
    END IF;
    
    IF NOT EXISTS (
        SELECT 1 FROM information_schema.columns 
        WHERE table_name = 'rog_entry' AND column_name = 'team_validation_status'
    ) THEN
        ALTER TABLE rog_entry ADD COLUMN team_validation_status VARCHAR(20) DEFAULT 'approved'
        CHECK (team_validation_status IN ('approved', 'pending', 'rejected'));
        COMMENT ON COLUMN rog_entry.team_validation_status IS 'チーム承認状況';
    END IF;
END $$;

-- 3. インデックス追加
CREATE INDEX IF NOT EXISTS idx_newevent2_status ON rog_newevent2(status);
CREATE INDEX IF NOT EXISTS idx_entry_staff_privileges ON rog_entry(staff_privileges) WHERE staff_privileges = TRUE;
CREATE INDEX IF NOT EXISTS idx_entry_validation_status ON rog_entry(team_validation_status);

-- 4. データ整合性チェック
DO $$
DECLARE
    rec RECORD;
    inconsistent_count INTEGER := 0;
BEGIN
    -- publicフィールドとstatusフィールドの整合性チェック
    FOR rec IN (
        SELECT id, event_name, public, status 
        FROM rog_newevent2 
        WHERE (public = TRUE AND status != 'public') 
           OR (public = FALSE AND status = 'public')
    ) LOOP
        RAISE NOTICE 'Inconsistent status for event %: public=%, status=%', 
                     rec.event_name, rec.public, rec.status;
        inconsistent_count := inconsistent_count + 1;
    END LOOP;
    
    IF inconsistent_count > 0 THEN
        RAISE NOTICE 'Found % events with inconsistent public/status values', inconsistent_count;
    ELSE
        RAISE NOTICE 'All events have consistent public/status values';
    END IF;
END $$;

-- 5. 統計情報更新
ANALYZE rog_newevent2;
ANALYZE rog_entry;

-- 6. 移行結果サマリー
DO $$
DECLARE
    event_count INTEGER;
    entry_count INTEGER;
    public_events INTEGER;
    private_events INTEGER;
    draft_events INTEGER;
    staff_entries INTEGER;
BEGIN
    SELECT COUNT(*) INTO event_count FROM rog_newevent2;
    SELECT COUNT(*) INTO entry_count FROM rog_entry;
    SELECT COUNT(*) INTO public_events FROM rog_newevent2 WHERE status = 'public';
    SELECT COUNT(*) INTO private_events FROM rog_newevent2 WHERE status = 'private';
    SELECT COUNT(*) INTO draft_events FROM rog_newevent2 WHERE status = 'draft';
    SELECT COUNT(*) INTO staff_entries FROM rog_entry WHERE staff_privileges = TRUE;
    
    RAISE NOTICE '';
    RAISE NOTICE '=== 移行完了サマリー ===';
    RAISE NOTICE 'イベント総数: %', event_count;
    RAISE NOTICE '  - Public: %', public_events;
    RAISE NOTICE '  - Private: %', private_events;
    RAISE NOTICE '  - Draft: %', draft_events;
    RAISE NOTICE 'エントリー総数: %', entry_count;
    RAISE NOTICE '  - スタッフ権限付与: %', staff_entries;
    RAISE NOTICE '';
END $$;

COMMIT;