package com.mattrixwv.cipherstream.controller.polysubstitution;


import org.slf4j.MDC;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.databind.node.ObjectNode;
import com.mattrixwv.cipherstream.aspect.CipherStreamLoggingAspect;
import com.mattrixwv.cipherstream.polysubstitution.Trifid;
import com.mattrixwv.cipherstream.utils.CipherParameterUtil;

import lombok.extern.slf4j.Slf4j;


@Slf4j
@RestController
@RequestMapping("/cipherStream/trifid")
public class TrifidCipherController{
	@GetMapping("/encode")
	public ObjectNode encodeTrifid(@RequestBody ObjectNode cipherParams){
		MDC.put(CipherStreamLoggingAspect.CIPHER_NAME_LOGGING, "Trifid");
		log.info("Encoding Trifid");


		CipherParameterUtil.verifyTrifidParams(cipherParams);
		boolean preserveCapitals = cipherParams.get(CipherParameterUtil.PRESERVE_CAPITALS).asBoolean();
		boolean preserveWhitespace = cipherParams.get(CipherParameterUtil.PRESERVE_WHITESPACE).asBoolean();
		boolean preserveSymbols = cipherParams.get(CipherParameterUtil.PRESERVE_SYMBOLS).asBoolean();
		String keyword = cipherParams.get(CipherParameterUtil.KEYWORD).asText();
		char fill = cipherParams.get(CipherParameterUtil.TRIFID_FILL).asText().charAt(0);
		int groupLength = cipherParams.get(CipherParameterUtil.TRIFID_GROUP_LENGTH).asInt();
		String inputString = cipherParams.get(CipherParameterUtil.INPUT_STRING).asText();


		Trifid trifid = new Trifid(preserveCapitals, preserveWhitespace, preserveSymbols, fill);
		String outputString = trifid.encode(keyword, groupLength, inputString);

		cipherParams.put(CipherParameterUtil.OUTPUT_STRING, outputString);


		return cipherParams;
	}

	@GetMapping("/decode")
	public ObjectNode decodeTrifid(@RequestBody ObjectNode cipherParams){
		MDC.put(CipherStreamLoggingAspect.CIPHER_NAME_LOGGING, "Trifid");
		log.info("Decoding Trifid");


		CipherParameterUtil.verifyTrifidParams(cipherParams);
		boolean preserveCapitals = cipherParams.get(CipherParameterUtil.PRESERVE_CAPITALS).asBoolean();
		boolean preserveWhitespace = cipherParams.get(CipherParameterUtil.PRESERVE_WHITESPACE).asBoolean();
		boolean preserveSymbols = cipherParams.get(CipherParameterUtil.PRESERVE_SYMBOLS).asBoolean();
		String keyword = cipherParams.get(CipherParameterUtil.KEYWORD).asText();
		char fill = cipherParams.get(CipherParameterUtil.TRIFID_FILL).asText().charAt(0);
		int groupLength = cipherParams.get(CipherParameterUtil.TRIFID_GROUP_LENGTH).asInt();
		String inputString = cipherParams.get(CipherParameterUtil.INPUT_STRING).asText();


		Trifid trifid = new Trifid(preserveCapitals, preserveWhitespace, preserveSymbols, fill);
		String outputString = trifid.decode(keyword, groupLength, inputString);

		cipherParams.put(CipherParameterUtil.OUTPUT_STRING, outputString);


		return cipherParams;
	}
}