import java.io.File;
import java.nio.file.Files;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PopulateLivestream {
    public static void main(String[] args) {
        try {
            Class.forName("oracle.jdbc.OracleDriver");
            Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521/sisvietnam", "sisvietnam", "sisvietnam");
            
            // Get category ID
            PreparedStatement catStmt = conn.prepareStatement("SELECT id FROM sis_category WHERE slug = 'livestream'");
            ResultSet rsCat = catStmt.executeQuery();
            long catId = -1;
            if (rsCat.next()) {
                catId = rsCat.getLong("id");
            }
            if (catId == -1) {
                System.out.println("Category 'livestream' not found!");
                return;
            }
            
            // Delete old posts
            PreparedStatement delStmt = conn.prepareStatement("DELETE FROM sis_post WHERE category_id = ?");
            delStmt.setLong(1, catId);
            delStmt.executeUpdate();
            
            String baseDir = "/home/x79/sisvietnamvn_01/Media/Livestream";
            String uploadDir = "/home/x79/sisvietnamvn_01/sisvietnamvn_main/src/main/resources/static/upload/livestream";
            new File(uploadDir).mkdirs();
            
            long currentId = 6500;
            
            for (int i = 1; i <= 4; i++) {
                String folder = baseDir + "/Tuan" + i;
                File f = new File(folder);
                if (!f.exists()) continue;
                
                String title = "Tuần " + i;
                String excerpt = "";
                StringBuilder content = new StringBuilder();
                String metaDesc = "";
                String imageUrl = "";
                
                File contentFile = new File(folder, "content.txt");
                if (contentFile.exists()) {
                    List<String> lines = Files.readAllLines(contentFile.toPath());
                    if (lines.size() > 0) title = lines.get(0);
                    if (lines.size() > 1) excerpt = lines.get(1);
                    for (int j = 2; j < lines.size(); j++) {
                        content.append(lines.get(j)).append("<br>");
                    }
                }
                
                File embedFile = new File(folder, "embed.txt");
                if (!embedFile.exists()) embedFile = new File(folder, "url.txt");
                if (embedFile.exists()) {
                    String embedStr = Files.readString(embedFile.toPath());
                    Matcher m = Pattern.compile("src=\"([^\"]+)\"").matcher(embedStr);
                    if (m.find()) {
                        metaDesc = m.group(1);
                    }
                }
                
                for (File img : f.listFiles()) {
                    if (img.getName().endsWith(".jpg") || img.getName().endsWith(".png")) {
                        File dest = new File(uploadDir, "tuan" + i + "_" + img.getName());
                        Files.copy(img.toPath(), dest.toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING);
                        imageUrl = "/upload/livestream/" + dest.getName();
                        break;
                    }
                }
                
                String slug = "livestream-tuan-" + i;
                
                PreparedStatement insertStmt = conn.prepareStatement(
                    "INSERT INTO sis_post (id, slug, title, excerpt, content, meta_description, featured_image, category_id, created_date, is_published, views) " +
                    "VALUES (?, ?, ?, ?, ?, ?, ?, ?, SYSDATE, 1, 0)"
                );
                insertStmt.setLong(1, currentId++);
                insertStmt.setString(2, slug);
                insertStmt.setString(3, title);
                insertStmt.setString(4, excerpt);
                insertStmt.setString(5, content.toString());
                insertStmt.setString(6, metaDesc);
                insertStmt.setString(7, imageUrl);
                insertStmt.setLong(8, catId);
                insertStmt.executeUpdate();
                
                System.out.println("Inserted Tuan " + i);
            }
            
            conn.close();
            System.out.println("Done.");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}