// testTextbuffer.c
// A stub file for you to test your textbuffer implementation.
// Note that you will NOT be submitting this - this is simply for you to
// test  your  functions as you go. We will have our own testTexbuffer.c
// for testing your submission.

#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "textbuffer.h"

static void testNewTB(void);
static void testTexbufferEditing(void);
static void testCombiningTextbuffers(void);
static void testEmptyTextbuffer(void);

// TODO: Add more function prototypes


int main(void) {

	testNewTB();
	testTexbufferEditing();
	testCombiningTextbuffers();
	testEmptyTextbuffer();

	// TODO: Call more test functions

	printf("All tests passed! You are awesome!\n");
}

static void testNewTB(void) {

	printf("-----------------------------------------\n"
	       "               newTB tests               \n"
	       "-----------------------------------------\n");

	// Calling dumpTB immediately after newTB, without modifying the TB
	TB tb1 = newTB("hello there,\n\n\nhow\nare\nthings\n");
	char *text1 = dumpTB(tb1, false); // Don't show line numbers
	assert(linesTB(tb1) == 6);

	assert(strcmp("hello there,\n\n\nhow\nare\nthings\n", text1) == 0);
	printf("text1 =\"%s\"", text1);
	free(text1);

	releaseTB(tb1);

	printf("newTB tests passed!\n");

}

static void testTexbufferEditing(void) {

	printf("-----------------------------------------\n"
	       "         textbuffer editing tests        \n"
	       "-----------------------------------------\n");

	// Calling dumpTB immediately after newTB, without modifying the TB
	TB tb1 = newTB("room\nmoon\ncow jumping over the moon\nlight\n");
	assert(linesTB(tb1) == 4);

	char *text1 = dumpTB(tb1, false); // Don't show line numbers
	printf("\nText before prefix is added: \n%s\n", text1);
	free(text1);

	addPrefixTB(tb1, 1, 3, "goodnight ");

	char *text2 = dumpTB(tb1, false); // Don't show line numbers
	printf("\nText after prefix is added: \n%s\n", text2);
	assert(strcmp(text2, "goodnight room\ngoodnight moon\ngoodnight cow jumping over the moon\nlight\n") == 0);
	free(text2);

	char *text3 = dumpTB(tb1, false);
	printf("\nText before lines are deleted: \n%s\n", text3);
	free(text3);

	deleteTB(tb1, 1, 3);

	char *text4 = dumpTB(tb1, false);
	printf("\nText after lines are deleted: \n%s\n", text4);
	assert(strcmp(text4, "light\n") == 0);
	free(text4);

	printf("\nDeleting last line...\n");
	deleteTB(tb1, 1, 1);
	assert(linesTB(tb1) == 0);

	releaseTB(tb1);

	printf("\ntextbuffer editing tests passed!\n");

}

static void testCombiningTextbuffers(void) {

	printf("-----------------------------------------\n"
	       "        combining textbuffer tests       \n"
	       "-----------------------------------------\n");

	TB tb1 = newTB("Hello\nWhat's\nWrong with you?\n");
	TB tb2 = newTB("Bye\nYou're\nbeautiful.. :)\n");

	mergeTB(tb2, 1, tb1);
	char *text1 = dumpTB(tb2, false);
	assert(strcmp(text1, "Hello\nWhat's\nWrong with you?\nBye\nYou're\nbeautiful.. :)\n") == 0);
	free(text1);

	TB tb3 = newTB("Peace Out Bruh\nLater!\n");
	mergeTB(tb3, 2, tb2);
	char *text2 = dumpTB(tb3, false);
	assert(strcmp(text2, "Peace Out Bruh\nHello\nWhat's\nWrong with you?\nBye\nYou're\nbeautiful.. :)\nLater!\n") == 0);
	free(text2);

	TB tb4 = newTB("Hello There, I haven't watched Star Wars\n");
	mergeTB(tb3, 9, tb4);
	char *text3 = dumpTB(tb3, false);
	assert(strcmp(text3, "Peace Out Bruh\nHello\nWhat's\nWrong with you?\nBye\nYou're\nbeautiful.. :)\nLater!\nHello There, I haven't watched Star Wars\n") == 0);
	free(text3);

	releaseTB(tb3);
	printf("passed all combining textbuffer tests!\n");
}

static void testEmptyTextbuffer() {

	printf("-----------------------------------------\n"
	       "          empty textbuffer tests         \n"
	       "-----------------------------------------\n");

	TB tb1 = newTB("");
	releaseTB(tb1);

	TB tb2 = newTB("");
	assert(linesTB(tb2) == 0);
	addPrefixTB(tb2, 1, 3, "yeet");

	TB tb3 = newTB("bruh\nwhats up\n");
	mergeTB(tb3, 1, tb2);

	mergeTB(tb2, 1, tb3);
	char *text1 = dumpTB(tb2, false);
	assert(strcmp(text1, "bruh\nwhats up\n") == 0);
	free(text1);

	releaseTB(tb2);

	printf("passed all empty textbuffer tests!\n");

}



// TODO: Add more test functions