(*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2006-2008 Andrey Korotaev <unC0Rr@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 *)

{$INCLUDE "options.inc"}

unit uLocale;
interface
type TAmmoStrId = (sidNothing, sidGrenade, sidClusterBomb, sidBazooka, sidUFO, sidShotgun,
			sidPickHammer, sidSkip, sidRope, sidMine, sidDEagle,
			sidDynamite, sidBaseballBat, sidFirePunch, sidSeconds,
			sidParachute, sidAirAttack, sidMineStrike, sidBlowTorch,
			sidGirder, sidTeleport, sidSwitch, sidMortar, sidWhip,
			sidKamikaze, sidCake, sidSeduction, sidWatermelon,
			sidHellishBomb, sidDrill, sidBallgun, sidNapalm, sidRCPlane,
            sidLowGravity, sidExtraDamage, sidInvulnerable, sidExtraTime,
            sidLaserSight, sidVampiric, sidSniperRifle, sidJetpack, sidMolotov);

	TMsgStrId = (sidStartFight, sidDraw, sidWinner, sidVolume, sidPaused,
			sidConfirm, sidSuddenDeath, sidRemaining, sidFuel, sidSync);

	TEventId = (eidDied, eidDrowned, eidRoundStart, eidRoundWin, eidRoundDraw,
			eidNewHealthPack, eidNewAmmoPack, eidNewUtilityPack, eidTurnSkipped, eidHurtSelf,
			eidHomerun);

const MAX_EVENT_STRINGS = 100;
var trammo: array[TAmmoStrId] of string;
    trmsg: array[TMsgStrId] of string;

procedure LoadLocale(FileName: string);
function Format(fmt: shortstring; var arg: shortstring): shortstring;

function GetEventString(e: TEventId): string;

implementation
uses uMisc, uRandom, uConsole;

var	trevt: array[TEventId] of array [0..Pred(MAX_EVENT_STRINGS)] of string;
	trevt_n: array[TEventId] of integer;

procedure LoadLocale(FileName: string);
var s: shortstring;
    f: textfile;
    a, b, c: LongInt;
	first: array[TEventId] of boolean;
	e: TEventId;
begin
trammo[sidNothing]:= ' ';
for e:= Low(TEventId) to High(TEventId) do first[e]:= true;

{$I-} //iochecks off
filemode:=0; //readonly
Assign(f, FileName);
reset(f);
// if the locale does not exist, fallback to the default one
if (IOResult <> 0) then
begin
	WriteLnToConsole('Warning: Cannot load selected locale "' + FileName + '" fallback to default en.txt');
	Assign(f, 'en.txt');
	reset(f);
end;

TryDo(IOResult = 0, 'Cannot load locale "' + FileName + ' nor en.txt"', true);
while not eof(f) do
	begin
	readln(f, s);
	if Length(s) = 0 then continue;
	if not (s[1] in ['0'..'9']) then continue;
	TryDo(Length(s) > 6, 'Load locale: empty string', true);
	val(s[1]+s[2], a, c);
	TryDo(c = 0, 'Load locale: numbers should be two-digit: ' + s, true);
	TryDo(s[3] = ':', 'Load locale: ":" expected', true);
	val(s[4]+s[5], b, c);
	TryDo(c = 0, 'Load locale: numbers should be two-digit' + s, true);
	TryDo(s[6] = '=', 'Load locale: "=" expected', true);
	Delete(s, 1, 6);
	case a of
		0: if (b >=0) and (b <= ord(High(TAmmoStrId))) then trammo[TAmmoStrId(b+1)]:= s;
		1: if (b >=0) and (b <= ord(High(TMsgStrId))) then trmsg[TMsgStrId(b)]:= s;
		2: if (b >=0) and (b <= ord(High(TEventId))) then begin
			TryDo(trevt_n[TEventId(b)] < MAX_EVENT_STRINGS, 'Too many event strings in ' + inttostr(a) + ':' + inttostr(b), false);
			if first[TEventId(b)] then
				begin
				trevt_n[TEventId(b)]:= 0;
				first[TEventId(b)]:= false;
				end;
			trevt[TEventId(b)][trevt_n[TEventId(b)]]:= s;
			inc(trevt_n[TEventId(b)]);
			end;
		end;
	end;
Close(f)
{$I+}
end;

function GetEventString(e: TEventId): string;
begin
	if trevt_n[e] = 0 then // no messages for this event type?
		GetEventString:= '*missing translation*'
	else
		GetEventString:= trevt[e][GetRandom(trevt_n[e])]; // Pick a random message and return it
end;

function Format(fmt: shortstring; var arg: shortstring): shortstring;
var i: LongInt;
begin
i:= Pos('%1', fmt);
if i = 0 then Format:= fmt
         else Format:= copy(fmt, 1, i - 1) + arg + Format(copy(fmt, i + 2, Length(fmt) - i - 1), arg)
end;

end.