-- Oracle 초기화 스크립트
-- 데이터베이스와 사용자 생성

-- wace 사용자 생성 (PDB에서 실행)
ALTER SESSION SET CONTAINER = ORCLPDB1;

-- 사용자가 이미 존재하는지 확인하고 생성
DECLARE
    user_count NUMBER;
BEGIN
    SELECT COUNT(*) INTO user_count FROM dba_users WHERE username = 'WACE';
    
    IF user_count = 0 THEN
        EXECUTE IMMEDIATE 'CREATE USER wace IDENTIFIED BY "wace0909!!" DEFAULT TABLESPACE users TEMPORARY TABLESPACE temp';
        EXECUTE IMMEDIATE 'GRANT CONNECT, RESOURCE, DBA TO wace';
        EXECUTE IMMEDIATE 'GRANT CREATE SESSION TO wace';
        EXECUTE IMMEDIATE 'GRANT CREATE TABLE TO wace';
        EXECUTE IMMEDIATE 'GRANT CREATE VIEW TO wace';
        EXECUTE IMMEDIATE 'GRANT CREATE PROCEDURE TO wace';
        EXECUTE IMMEDIATE 'GRANT CREATE SEQUENCE TO wace';
        EXECUTE IMMEDIATE 'GRANT CREATE TRIGGER TO wace';
        EXECUTE IMMEDIATE 'ALTER USER wace QUOTA UNLIMITED ON users';
        DBMS_OUTPUT.PUT_LINE('사용자 wace가 생성되었습니다.');
    ELSE
        DBMS_OUTPUT.PUT_LINE('사용자 wace가 이미 존재합니다.');
    END IF;
END;
/

-- wace 사용자로 연결하여 테이블 생성
CONNECT wace/"wace0909!!"@//localhost:1521/ORCLPDB1;

-- 샘플 테이블 생성
DECLARE
    table_count NUMBER;
BEGIN
    SELECT COUNT(*) INTO table_count FROM user_tables WHERE table_name = 'USERS';
    
    IF table_count = 0 THEN
        EXECUTE IMMEDIATE '
        CREATE TABLE users (
            id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
            username VARCHAR2(50) NOT NULL UNIQUE,
            email VARCHAR2(100) NOT NULL UNIQUE,
            password_hash VARCHAR2(255) NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        )';
        DBMS_OUTPUT.PUT_LINE('users 테이블이 생성되었습니다.');
    END IF;
END;
/

DECLARE
    table_count NUMBER;
BEGIN
    SELECT COUNT(*) INTO table_count FROM user_tables WHERE table_name = 'USER_PROFILES';
    
    IF table_count = 0 THEN
        EXECUTE IMMEDIATE '
        CREATE TABLE user_profiles (
            id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
            user_id NUMBER NOT NULL,
            first_name VARCHAR2(50),
            last_name VARCHAR2(50),
            phone VARCHAR2(20),
            address CLOB,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            CONSTRAINT fk_user_profiles_user_id FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
        )';
        DBMS_OUTPUT.PUT_LINE('user_profiles 테이블이 생성되었습니다.');
    END IF;
END;
/

-- 업데이트 트리거 생성
CREATE OR REPLACE TRIGGER trg_users_updated_at
    BEFORE UPDATE ON users
    FOR EACH ROW
BEGIN
    :NEW.updated_at := CURRENT_TIMESTAMP;
END;
/

CREATE OR REPLACE TRIGGER trg_user_profiles_updated_at
    BEFORE UPDATE ON user_profiles
    FOR EACH ROW
BEGIN
    :NEW.updated_at := CURRENT_TIMESTAMP;
END;
/

-- 샘플 데이터 삽입
DECLARE
    data_count NUMBER;
BEGIN
    SELECT COUNT(*) INTO data_count FROM users WHERE username = 'admin';
    
    IF data_count = 0 THEN
        INSERT INTO users (username, email, password_hash) VALUES 
        ('admin', 'admin@example.com', '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi');
        
        INSERT INTO users (username, email, password_hash) VALUES 
        ('testuser', 'test@example.com', '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi');
        
        INSERT INTO user_profiles (user_id, first_name, last_name, phone) VALUES 
        (1, '관리자', '시스템', '010-1234-5678');
        
        INSERT INTO user_profiles (user_id, first_name, last_name, phone) VALUES 
        (2, '테스트', '사용자', '010-9876-5432');
        
        COMMIT;
        DBMS_OUTPUT.PUT_LINE('샘플 데이터가 삽입되었습니다.');
    END IF;
END;
/

DBMS_OUTPUT.PUT_LINE('Oracle wace 데이터베이스 초기화 완료');
/