#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "defs.h"
#include "lf.h"
#include "nexus.h"
#include "objects.h"
#include "text.h"

extern long curtime;


int needan(char *text) {
	if (isvowel(tolower(text[0]))) {
		return B_TRUE;
	} 
	return B_FALSE;
}

char *capitalise(char *text) {
	if (strlen(text) > 0) {
		text[0] = toupper(text[0]);
	}
	return text;
}

// capitalise all words
char *capitaliseall(char *text) {
	if (strlen(text) > 0) {
		char *p;
		for (p = text ; *p; p++) {
			if (p == text) { // first letter
				*p = toupper(*p);
			} else if (*(p-1) == ' ') { // first letter after a space
				*p = toupper(*p);
			}
		}
	}
	return text;
}

char *dicetotext(int ndice, int nsides, int bonus, int *min, int *max, char *dicebuf, char *minmaxbuf) {
	int localmin, localmax;

	if (ndice == NA) ndice = 0;
	if (nsides == NA) nsides = 0;
	if (bonus == NA) bonus = 0;
	
	// ie. rolled a 1 on all dice
	localmin = (ndice * 1) + bonus;
	// ie. rolled max on all dice
	localmax = (ndice * nsides) + bonus;

	if (min) {
		*min = localmin;
	}
	if (max) {
		*max = localmax;
	}

	if (dicebuf) {
		if ((ndice == 0) || (nsides == 0)) {
			sprintf(dicebuf, "%d", bonus);
		} else {
			if (bonus) {
				sprintf(dicebuf, "%dd%d%c%d", ndice, nsides,
						(bonus > 0) ? '+' : '-', 
						abs(bonus));
			} else {
				sprintf(dicebuf, "%dd%d", ndice, nsides);
			}
		}
	}
	if (minmaxbuf) {
		if (localmin == localmax) {
			sprintf(minmaxbuf, "%d", localmin);
		} else {
			sprintf(minmaxbuf, "%d-%d", localmin, localmax);
		}
	}
	return dicebuf;
}

int flip(int ch) {
	switch (ch) {
		case 'a': return 0x0250;
		case 'b': return 'q';
		case 'c': return 0x0254;
		case 'd': return 'p';
		case 'e': return 0x01dd;
		case 'f': return 0x025f;
		case 'g': return 0x0183;
		case 'h': return 0x0265;
		case 'i': return 0x0131;
		case 'j': return 0x027e;
		case 'k': return 0x029e;
		case 'l': return 0x0283;
		case 'm': return 0x026f;
		case 'n': return 'u';
		case 'r': return 0x0279;
		case 't': return 0x0287;
		case 'v': return 0x028c;
		case 'w': return 0x028d;
		case 'y': return 0x028e;
		case '.': return 0x02d9;
		case '[': return ']';
		case '(': return ')';
		case '{': return '}';
		case '?': return 0x00bf;
		case '!': return 0x00a1;
		case '<': return '>';
		case '_': return 0x203e;
	}
	return ch;
}

char *getattrabbrev(enum ATTRIB att) {
	switch (att) {
		case A_NONE:
			return "??";
		case A_STR:
			return "St";
		case A_IQ:
			return "Iq";
		case A_DEX:
			return "Dx";
		case A_CON:
			return "Cn";
	}
	return "??";
}

char *getattrname(enum ATTRIB att) {
	switch (att) {
		case A_NONE:
			return "?attrib_none?";
		case A_STR:
			return "strength";
		case A_IQ:
			return "intelligence";
		case A_DEX:
			return "dexterity";
		case A_CON:
			return "constitution";
	}
	return "?badattrib?";
}

int gethitconferlifetime(char *text, int *min, int *max) {
	int howlong;
	int localmin,localmax;
	if (text) {
		char loctext[BUFLEN];
		char *word, *dummy;
		strcpy(loctext,text);
		word = strtok_r(loctext, "-", &dummy);
		if (word) {
			localmin = atoi(word);
			word = strtok_r(NULL, "-", &dummy);
			if (word) {
				localmax = atoi(word);
				howlong = rnd(localmin,localmax);
			} else {
				howlong = PERMENANT;
			}
		} else {
			localmin = -1;
			localmax = -1;
			howlong = PERMENANT;
		}
	} else {
		localmin = -1;
		localmax = -1;
		howlong = PERMENANT;
	}
	if (min) *min = localmin;
	if (max) *max = localmax;
	return howlong;
}

char *getpossessive(char *text) {
	char lastchar;
	// you -> your
	if (!strcmp(text, "you")) {
		return "r";
	}

	// xxxs -> xxxs'
	lastchar = text[strlen(text)-1];
	if (tolower(lastchar) == 's') {
		return "'";
	} 
	// default:  's
	return "'s";
}

char *getdrunktext(flag_t *drunkflag) {
	int bracket;
	bracket = (drunkflag->lifetime / DRUNKTIME) + 1;
	if (bracket == 1) {
		return "tipsy";
	} else if (bracket == 2) {
		return "drunk";
	} else {
		return "very drunk";
	}
	return "??drunk??";
}

char *getsizetext(enum LFSIZE sz) {
	switch (sz) {
		case SZ_ENORMOUS:
			return "enormous";
		case SZ_HUGE:
			return "huge";
		case SZ_LARGE:
			return "large";
		case SZ_HUMAN:
			return "human-sized";
		case SZ_MEDIUM:
			return "medium";
		case SZ_SMALL:
			return "small";
		case SZ_MINI:
		case SZ_TINY:
			return "extremely small";
		default:
			return "unknown-sized";
	}
	return "unknown-sized";
}

char *gettimetext(char *retbuf) {
	int hours,mins,secs;
	splittime(&hours, &mins, &secs);
	
	sprintf(retbuf, "%02d:%02d:%02d",hours,mins,secs);
	return retbuf;
}

char *gettimetextfuzzy(char *retbuf, int wantpm) {
	int hours,mins,secs;
	int pm = B_FALSE;
	splittime(&hours, &mins, &secs);

	if (hours > 12) {
		hours -= 12;
		pm = B_TRUE;
	}
	
	if (mins == 0) {
		sprintf(retbuf, "exactly %d o'clock", hours);
	} else if (mins <= 15) {
		sprintf(retbuf, "a little after %d o'clock", hours);
	} else if (mins <= 25) {
		sprintf(retbuf, "nearly half past %d", hours);
	} else if (mins <= 35) {
		sprintf(retbuf, "around half past %d", hours);
	} else if (mins <= 45) {
		sprintf(retbuf, "coming up to %d o'clock", (hours == 12) ? 1 : (hours+1));
	} else {
		sprintf(retbuf, "nearly %d o'clock", (hours == 12) ? 1 : (hours+1));
	}

	if (wantpm) {
		strcat(retbuf, " in the ");
		if (pm) {
			strcat(retbuf, "afternoon");
		} else {
			strcat(retbuf, "morning");
		} 
	}

	return retbuf;
}

char *getweighttext(float weight, char *buf) {
	if (weight == 0) {
		sprintf(buf, "nothing");
	} else if (weight >= 1) {
		if ((int)weight == weight) { // ie. is weight an integer?
			sprintf(buf, "%0.0f kg",weight);
		} else { 
			sprintf(buf, "%0.1f kg",weight);
		}
	} else {
		sprintf(buf, "%0.0f grams", weight * 1000);
	}
	return buf;
}

char *is(lifeform_t *lf) {
	if (isplayer(lf)) return "are";
		else return "is";
}

int isvowel (char c) {
	switch (c) {
		case 'a':
		case 'e':
		case 'i':
		case 'o':
		case 'u':
			return B_TRUE;
	}
	return B_FALSE;
}

// allocates and returns new string
char *makeplural(char *text) {
	char lastlet;
	char *newtext;
	int rv;

	newtext = strdup(text);

	// scrolls
	newtext = strrep(newtext, "berry ", "berries ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "block ", "blocks ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "can ", "cans ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "chunk ", "chunks ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "flask ", "flasks ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "gem ", "gems ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "leaf", "leaves", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "loaf ", "loaves ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "lump ", "lumps ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "piece ", "pieces ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "pile ", "piles ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "pool ", "pools ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "potion ", "potions ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "puddle ", "puddles ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "ring ", "rings ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "scroll ", "scrolls ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "splash ", "splashes ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "set ", "sets ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "suit ", "suits ", &rv);
	if (rv) return newtext;
	newtext = strrep(newtext, "vial ", "vials ", &rv);
	if (rv) return newtext;


	// 
	newtext = strrep(newtext, "pair ", "pairs ", &rv);
	// don't return

	// default
	lastlet = text[strlen(text)-1];
	switch (lastlet) {
		char *temptext;
		case 'y': // change to 'ies'
			temptext = strdup(text);
			temptext[strlen(temptext)-1] = '\0';
			asprintf(&newtext, "%sies",temptext);
			free(temptext);
			break;
		case 's': 
		case 'o': // append "es"
			asprintf(&newtext, "%ses",text);
			break;
		default: // append "s"
			asprintf(&newtext, "%ss",text);
			break;
	}
	return newtext;
}

char *makeuppercase(char *text) {
	if (strlen(text) > 0) {
		char *p;
		for (p = text ; *p; p++) {
			*p = toupper(*p);
		}
	}
	return text;
}

int needses(char *text) {
	if (text[strlen(text)-1] == 's') {
		return B_TRUE;
	}

	if (strlen(text) >= 2) {
		if ((text[strlen(text)-2] == 'c') && 
		    (text[strlen(text)-1] == 'h')) {
			return B_TRUE;
		}
	}
	
	return B_FALSE;
}

char *noprefix(char *obname) {
	char *p;
	p = strchr(obname, ' ');
	if (p) {
		p++;
		return p;
	} else {
		return obname;
	}
}

char *numtotext(int num, char *buf) {
	switch (num) {
		case 1:
			sprintf(buf, "a");
			break;
		case 2:
			sprintf(buf, "two");
			break;
		case 3:
			sprintf(buf, "three");
			break;
		case 4:
			sprintf(buf, "four");
			break;
		case 5:
			sprintf(buf, "five");
			break;
		case 6:
			sprintf(buf, "six");
			break;
		case 7:
			sprintf(buf, "seven");
			break;
		case 8:
			sprintf(buf, "eight");
			break;
		case 9:
			sprintf(buf, "nine");
			break;
		case 10:
			sprintf(buf, "ten");
			break;
		default:
			sprintf(buf, "%d",num);
			break;
	}
	return buf;
}

// convert number to roman numerals
//	only copes with 1-10
char *roman(int num) {
	switch (num) {
		case 1:
			return "I";
		case 2:
			return "II";
		case 3:
			return "III";
		case 4:
			return "IV";
		case 5:
			return "V";
		case 6:
			return "VI";
		case 7:
			return "VII";
		case 8:
			return "VIII";
		case 9:
			return "IX";
		case 10:
			return "X";
	}
	return "";
}

int speedtokph(int speed) {
	return speed * speed * speed;
}

void splittime(int *hours, int *mins, int *secs) {
	long left;
	left = curtime;

	*hours = left / 3600;
	left -= (*hours * 3600);
	*mins = left / 60;
	left -= (*mins * 60);
	*secs = left;
}

char *strrep(char *text, char *oldtok, char *newtok, int *rv) {
	char *temp;
	temp = strdup(" "); // ooooooo is this bad??
	dostrrep(text, &temp, oldtok, newtok, rv);
	// swap
	text = realloc(text, strlen(temp)+1); // extra space for NUL 
	strcpy(text, temp); 
	free(temp); 
	return text;
}

// returns TRUE if any replacements made
char *dostrrep(char* in, char** out, char* oldtok, char* newtok, int *rv) {
	char *temp;
	char *found = strstr(in, oldtok);
	int idx;
	if(!found) {
		*out = realloc(*out, strlen(in) + 1); // oooooooo crashing in realloc
		strcpy(*out, in);
		
		if (rv) *rv = B_FALSE;
		return *out;
	}

	idx = found - in;

	*out = realloc(*out, strlen(in) - strlen(oldtok) + strlen(newtok) + 1);
	strncpy(*out, in, idx);
	strcpy(*out + idx, newtok);
	strcpy(*out + idx + strlen(newtok), in + idx + strlen(oldtok));

	temp = malloc(idx+strlen(newtok)+1);
	strncpy(temp,*out,idx+strlen(newtok));
	temp[idx + strlen(newtok)] = '\0';
	
	dostrrep(found + strlen(oldtok), out, oldtok, newtok, rv);
	temp = realloc(temp, strlen(temp) + strlen(*out) + 1);
	strcat(temp,*out);
	free(*out);
	*out = temp; 

	if (rv) *rv = B_TRUE;
	return *out;
}

int strpixmatch(char *haystack, char *needle) {
	int matched = B_FALSE;
	char *hword, *nword, *hcont,*ncont;

	if (strchr(needle, ' ') || strchr(haystack, ' ')) {
		char lochaystack[BUFLEN], locneedle[BUFLEN];
		strcpy(lochaystack, haystack);
		strcpy(locneedle, needle);

		// match word for word
		nword = strtok_r(locneedle, " ", &ncont);
		hword = strtok_r(lochaystack, " ", &hcont);
		while (nword && hword) {
			// all typed words must match
			if (strcasestr(hword, nword)) {
				matched = B_TRUE;
			} else {
				matched = B_FALSE;
				break;
			}
			
			nword = strtok_r(NULL, " ", &ncont);
			hword = strtok_r(NULL, " ", &hcont);
			if (nword && !hword) {
				matched = B_FALSE;
			}
		}

		/*
		if (!matched && !strchr(needle, ' ')) {
			// now try matching typed word against second word in spellname 
			strcpy(lochaystack, haystack);
			hword = strtok_r(lochaystack, " ", &hcont);
			while (hword) {
				if (strcasestr(hword, needle)) {
					matched = B_TRUE;
					break;
				} else {
					matched = B_FALSE;
				}
				
				hword = strtok_r(NULL, " ", &hcont);
				if (!hword) {
					matched = B_FALSE;
				}
			}
		}
		*/
	} else {
		if (strcasestr(haystack, needle)) {
			matched = B_TRUE;
		} 
	}
	return matched;
}

int texttodice(char *text, int *ndice, int *nsides, int *bonus) {
	char *dummy;
	char *localtext;
	char *p,*plusloc;
	localtext = strdup(text);
	// number of dice
	p = strtok_r(localtext, "d", &dummy);
	if (!p) {
		return B_TRUE;
	}
	if (ndice) {
		*ndice = atoi(p);
	}
	// sides on each die
	p = strtok_r(NULL, "d", &dummy);
	if (!p) {
		return B_TRUE;
	}

	// strip out bonus
	plusloc = strchr(p, '+');
	if (plusloc) *plusloc = '\0';
	plusloc = strchr(p, '-');
	if (plusloc) *plusloc = '\0';

	if (nsides) {
		*nsides = atoi(p);
	}


	free(localtext);
	localtext = strdup(text);
	// bonus/plus
	if (bonus) {
		p = strchr(localtext, '+');
		if (p) {
			*bonus = atoi(p+1);
		} else {
			p = strchr(localtext, '-');
			if (p) {
				*bonus = -(atoi(p+1));
			} else {
				*bonus = 0;
			}
		}
	}

	free(localtext);
	return B_FALSE;
}

void texttospellopts(char *text, int *power, char *damstr, int *needgrab, int *range) {
	char *p;
	int n;
	char *argname[] = {
		"pw:",
		"dam:",
		"needgrab:",
		"range:",
		NULL,
	};
	void *argval[] = {
		power,
		damstr,
		needgrab,
		range,
		NULL,
	};
	char argtype[] = {
		'i',
		's',
		'b',
		'i',
		'\0',
	};

	// defaults
	if (power) *power = 0;
	if (damstr) strcpy(damstr, "");
	if (needgrab) *needgrab = B_FALSE;
	if (range) *range = 0;

	if (!strlen(text)) {
		return;
	}

	// for each arg
	for (n = 0; argname[n]; n++) {
		// search for it in text...
		for (p = text ; *p ; p++) {
			if (!strncmp(p, argname[n], strlen(argname[n])) ) {
				char localval[BUFLEN];
				char *valfull;
				
				strcpy(localval, p + strlen(argname[n]));
				valfull = strtok(localval, ";");
				if (valfull) {
					if (argval[n]) {
						if (argtype[n] == 'i') {
							*((int *)argval[n]) = atoi(valfull);
						} else if (argtype[n] == 'b') {
							*((int *)argval[n]) = atoi(valfull) ? B_TRUE : B_FALSE;
						} else if (argtype[n] == 's') {
							strcpy((char *)argval[n], valfull);
						}
					}
					break;
				}
			}
		}
	}
}
	

char *you(lifeform_t *lf) {
	if (isplayer(lf)) {
		return "You";
	}
	return "It";
}

char *you_l(lifeform_t *lf) {
	if (isplayer(lf)) {
		return "you";
	}
	return "it";
}

char *your(lifeform_t *lf) {
	if (isplayer(lf)) {
		return "Your";
	}
	return "Its";
}

char *your_l(lifeform_t *lf) {
	if (isplayer(lf)) {
		return "your";
	}
	return "its";
}