package cobolInterpreter;

import java.io.File;
import java.io.IOException;
import java.util.Map;

public class CobolInterpreter {

    private static final Map<String, Object> workspace = new HashMap<>();
    private static final String LOG_FILE_NAME = "..\\test\\tests-lists.txt";
    
    private static final int SYMBOL_LENGTH = 100;
    private static final int SYMBOL_TABLE_SIZE = 50;

    public static void main(String[] args) {
        // Initialize logging
        initializeLogger("OPEN");
        
        // Read command line arguments
        readCommandLineArgs(args);
        
        // Tokenize Lisp code
        tokenizeLispCode();
        
        // Evaluate Lisp code
        evaluateLispCode();
        
        // Close logging
        closeLogger("CLOSE");
    }

    private static void initializeLogger(String operation) {
        String logOp = (operation == "OPEN") ? "Starting" : "";
        String logRecFunc = "INIT-LOGGER";
        String logMsg = "Workspace initialized";
        callLogger(logOp, logRecFunc, logMsg);
    }

    private static void readCommandLineArgs(String[] args) throws IOException {
        if (args.length < 2) {
            System.out.println("Not enough command line arguments provided");
            return;
        }
        
        String fileName = args[1];
        callLogger("ADD", "READ-CMD-LINE", "Reading command line argument: " + fileName);
        workspace.put("LISP-FILE-NAME", fileName);
    }

    private static void tokenizeLispCode() throws IOException {
        callLogger("TOKENIZER", "TOKENIZE-LISP", "Tokenizing Lisp code");
        String content = getLispContent();
        tokenize(content);
    }

    private static void evaluateLispCode() throws IOException {
        callLogger("LISP", "EVALUTE-LISP", "Starting evaluation of Lisp code");
        evaluateCode(getTokenizedCode());
    }

    private static void callLogger(String operation, String functionName, String message) {
        Map<String, Object> logRecord = new HashMap<>();
        logRecord.put("OPERATION", operation);
        logRecord.put("FUNCTION", functionName);
        logRecord.put("MESSAGE", message);
        
        writeLogEntry(logRecord);
    }

    private static void writeLogEntry(Map<String, Object> logRecord) {
        if (!workspace.containsKey("LOG-RECORD")) {
            workspace.put("LOG-RECORD", new java.util.HashMap<String, Object>());
        }
        workspace.get("LOG-RECORD").put("RECORD", logRecord);
    }

    private static String getLispContent() throws IOException {
        try (File file = new File(LOG_FILE_NAME)) {
            return file.read();
        } catch (IOException e) {
            throw new IOException("Failed to read Lisp file: " + e.getMessage(), e);
        }
    }

    private static void tokenize(String content) {
        // Implement tokenization logic
        String[] tokens = new String[content.split("[\n ]+)];
        for (String token : tokens) {
            writeToken(token);
        }
    }

    private static void evaluateCode(String[] tokens) {
        // Implement evaluation logic
        processTokens(tokens);
    }

    private static void processTokens(String[] tokens) {
        // Implement token processing logic
    }

    private static void writeToken(String token) {
        callLogger("TOKEN", "TOKENIZE", "Generated token: " + token);
    }
}