#include "mupdf/fitz.h"

/*
	Base 14 PDF fonts from URW.
	Noto fonts from Google.
	DroidSansFallback from Android for CJK.

	Define TOFU to skip all the Noto fonts except CJK.

	Define TOFU_CJK to skip CJK font.
	Define TOFU_CJK_EXT to skip CJK Extension A support.

	Define TOFU_EMOJI to skip emoji font.
	Define TOFU_HISTORIC to skip ancient/historic scripts.
	Define TOFU_SYMBOL to skip symbol font.
*/

#ifdef NOTO_SMALL
#define TOFU_CJK_EXT
#define TOFU_EMOJI
#define TOFU_HISTORIC
#define TOFU_SYMBOL
#endif

#ifdef NOCJK
#define TOFU_CJK
#endif

#ifdef TOFU
#define TOFU_EMOJI
#define TOFU_HISTORIC
#define TOFU_SYMBOL
#endif

#define DEC_FONT(NAME) \
	extern const int fz_font_ ## NAME ## _size; \
	extern const char fz_font_ ## NAME []

#define RET_FONT(NAME) \
	return *size = fz_font_ ## NAME ## _size, fz_font_ ## NAME

#define BASE14(NAME, FONT) \
	if (!strcmp(NAME, name)) { DEC_FONT(FONT); RET_FONT(FONT); }

const char *
fz_lookup_base14_font(fz_context *ctx, const char *name, int *size)
{
	BASE14("Courier", NimbusMono_Regular_cff);
	BASE14("Courier-Bold", NimbusMono_Bold_cff);
	BASE14("Courier-Oblique", NimbusMono_Oblique_cff);
	BASE14("Courier-BoldOblique", NimbusMono_BoldOblique_cff);
	BASE14("Helvetica", NimbusSanL_Reg_cff);
	BASE14("Helvetica-Bold", NimbusSanL_Bol_cff);
	BASE14("Helvetica-Oblique", NimbusSanL_RegIta_cff);
	BASE14("Helvetica-BoldOblique", NimbusSanL_BolIta_cff);
	BASE14("Times-Roman", NimbusRomNo9L_Reg_cff);
	BASE14("Times-Bold", NimbusRomNo9L_Med_cff);
	BASE14("Times-Italic", NimbusRomNo9L_RegIta_cff);
	BASE14("Times-BoldItalic", NimbusRomNo9L_MedIta_cff);
	BASE14("Symbol", StandardSymL_cff);
	BASE14("ZapfDingbats", Dingbats_cff);
	return *size = 0, NULL;
}

const char *
fz_lookup_cjk_font(fz_context *ctx, int registry, int serif, int wmode, int *size, int *index)
{
#ifndef TOFU_CJK
#ifndef TOFU_CJK_EXT
	DEC_FONT(DroidSansFallbackFull_ttc);
	if (index) *index = wmode;
	RET_FONT(DroidSansFallbackFull_ttc);
#else
	DEC_FONT(DroidSansFallback_ttc);
	if (index) *index = wmode;
	RET_FONT(DroidSansFallback_ttc);
#endif
#else
	return *size = 0, NULL;
#endif
}

#define Noto(SANS) { \
	DEC_FONT(Noto ## SANS ## _Regular_ttf); \
	RET_FONT(Noto ## SANS ## _Regular_ttf); \
	} break

#define Noto2(SANS,SERIF) { \
	DEC_FONT(Noto ## SANS ## _Regular_ttf); \
	DEC_FONT(Noto ## SERIF ## _Regular_ttf); \
	if (serif) RET_FONT(Noto ## SERIF ## _Regular_ttf); \
	else RET_FONT(Noto ## SANS ## _Regular_ttf); \
	} break

#define Noto3(SANS,SERIF,UNUSED) \
	Noto2(SANS,SERIF)

const char *
fz_lookup_noto_font(fz_context *ctx, int script, int serif, int *size)
{
	/* Unused Noto fonts: NastaliqUrdu, SansSyriacEstrangela */

	switch (script)
	{
	default:
	case UCDN_SCRIPT_COMMON:
	case UCDN_SCRIPT_INHERITED:
	case UCDN_SCRIPT_UNKNOWN:
		break;

	case UCDN_SCRIPT_HANGUL:
		return fz_lookup_cjk_font(ctx, FZ_ADOBE_KOREA_1, serif, 0, size, NULL);
	case UCDN_SCRIPT_HIRAGANA:
	case UCDN_SCRIPT_KATAKANA:
		return fz_lookup_cjk_font(ctx, FZ_ADOBE_JAPAN_1, serif, 0, size, NULL);
	case UCDN_SCRIPT_BOPOMOFO:
		return fz_lookup_cjk_font(ctx, FZ_ADOBE_GB_1, serif, 0, size, NULL);
	case UCDN_SCRIPT_HAN:
		return fz_lookup_cjk_font(ctx, FZ_ADOBE_GB_1, serif, 0, size, NULL);

#ifndef TOFU

#ifndef TOFU_HISTORIC
	case UCDN_SCRIPT_IMPERIAL_ARAMAIC: Noto(SansImperialAramaic);
	case UCDN_SCRIPT_AVESTAN: Noto(SansAvestan);
	case UCDN_SCRIPT_CARIAN: Noto(SansCarian);
	case UCDN_SCRIPT_CYPRIOT: Noto(SansCypriot);
	case UCDN_SCRIPT_EGYPTIAN_HIEROGLYPHS: Noto(SansEgyptianHieroglyphs);
	case UCDN_SCRIPT_GLAGOLITIC: Noto(SansGlagolitic);
	case UCDN_SCRIPT_GOTHIC: Noto(SansGothic);
	case UCDN_SCRIPT_OLD_ITALIC: Noto(SansOldItalic);
	case UCDN_SCRIPT_KHAROSHTHI: Noto(SansKharoshthi);
	case UCDN_SCRIPT_KAITHI: Noto(SansKaithi);
	case UCDN_SCRIPT_LINEAR_B: Noto(SansLinearB);
	case UCDN_SCRIPT_LYCIAN: Noto(SansLycian);
	case UCDN_SCRIPT_LYDIAN: Noto(SansLydian);
	case UCDN_SCRIPT_OGHAM: Noto(SansOgham);
	case UCDN_SCRIPT_OLD_TURKIC: Noto(SansOldTurkic);
	case UCDN_SCRIPT_PHAGS_PA: Noto(SansPhagsPa);
	case UCDN_SCRIPT_INSCRIPTIONAL_PAHLAVI: Noto(SansInscriptionalPahlavi);
	case UCDN_SCRIPT_INSCRIPTIONAL_PARTHIAN: Noto(SansInscriptionalParthian);
	case UCDN_SCRIPT_RUNIC: Noto(SansRunic);
	case UCDN_SCRIPT_OLD_SOUTH_ARABIAN: Noto(SansOldSouthArabian);
	case UCDN_SCRIPT_UGARITIC: Noto(SansUgaritic);
	case UCDN_SCRIPT_OLD_PERSIAN: Noto(SansOldPersian);
	case UCDN_SCRIPT_CUNEIFORM: Noto(SansCuneiform);
	case UCDN_SCRIPT_COPTIC: Noto(SansCoptic);
#endif

	case UCDN_SCRIPT_LATIN: Noto2(Sans, Serif);
	case UCDN_SCRIPT_GREEK: Noto2(Sans, Serif);
	case UCDN_SCRIPT_CYRILLIC: Noto2(Sans, Serif);
	case UCDN_SCRIPT_ARMENIAN: Noto2(SansArmenian, SerifArmenian);
	case UCDN_SCRIPT_HEBREW: Noto(SansHebrew);
	case UCDN_SCRIPT_ARABIC: Noto3(KufiArabic, NaskhArabic, NastaliqUrdu);
	case UCDN_SCRIPT_SYRIAC: Noto3(SansSyriacEastern, SansSyriacWestern, SansSyriacEstrangela);
	case UCDN_SCRIPT_THAANA: Noto(SansThaana);
	case UCDN_SCRIPT_DEVANAGARI: Noto(SansDevanagari);
	case UCDN_SCRIPT_BENGALI: Noto2(SansBengali, SerifBengali);
	case UCDN_SCRIPT_GURMUKHI: Noto(SansGurmukhi);
	case UCDN_SCRIPT_GUJARATI: Noto2(SansGujarati, SerifGujarati);
	case UCDN_SCRIPT_ORIYA: Noto(SansOriya);
	case UCDN_SCRIPT_TAMIL: Noto2(SansTamil, SerifTamil);
	case UCDN_SCRIPT_TELUGU: Noto2(SansTelugu, SerifTelugu);
	case UCDN_SCRIPT_KANNADA: Noto2(SansKannada, SerifKannada);
	case UCDN_SCRIPT_MALAYALAM: Noto2(SansMalayalam, SerifMalayalam);
	case UCDN_SCRIPT_SINHALA: Noto(SansSinhala);
	case UCDN_SCRIPT_THAI: Noto2(SansThai, SerifThai);
	case UCDN_SCRIPT_LAO: Noto2(SansLao, SerifLao);
	case UCDN_SCRIPT_TIBETAN: Noto(SansTibetan);
	case UCDN_SCRIPT_MYANMAR: Noto(SansMyanmar);
	case UCDN_SCRIPT_GEORGIAN: Noto2(SansGeorgian, SerifGeorgian);
	case UCDN_SCRIPT_ETHIOPIC: Noto(SansEthiopic);
	case UCDN_SCRIPT_CHEROKEE: Noto(SansCherokee);
	case UCDN_SCRIPT_CANADIAN_ABORIGINAL: Noto(SansCanadianAboriginal);
	case UCDN_SCRIPT_KHMER: Noto2(SansKhmer, SerifKhmer);
	case UCDN_SCRIPT_MONGOLIAN: Noto(SansMongolian);
	case UCDN_SCRIPT_YI: Noto(SansYi);
	case UCDN_SCRIPT_DESERET: Noto(SansDeseret);
	case UCDN_SCRIPT_TAGALOG: Noto(SansTagalog);
	case UCDN_SCRIPT_HANUNOO: Noto(SansHanunoo);
	case UCDN_SCRIPT_BUHID: Noto(SansBuhid);
	case UCDN_SCRIPT_TAGBANWA: Noto(SansTagbanwa);
	case UCDN_SCRIPT_LIMBU: Noto(SansLimbu);
	case UCDN_SCRIPT_TAI_LE: Noto(SansTaiLe);
	case UCDN_SCRIPT_SHAVIAN: Noto(SansShavian);
	case UCDN_SCRIPT_OSMANYA: Noto(SansOsmanya);
	case UCDN_SCRIPT_BUGINESE: Noto(SansBuginese);
	case UCDN_SCRIPT_NEW_TAI_LUE: Noto(SansNewTaiLue);
	case UCDN_SCRIPT_TIFINAGH: Noto(SansTifinagh);
	case UCDN_SCRIPT_SYLOTI_NAGRI: Noto(SansSylotiNagri);
	case UCDN_SCRIPT_BALINESE: Noto(SansBalinese);
	case UCDN_SCRIPT_PHOENICIAN: Noto(SansPhoenician);
	case UCDN_SCRIPT_NKO: Noto(SansNKo);
	case UCDN_SCRIPT_SUNDANESE: Noto(SansSundanese);
	case UCDN_SCRIPT_LEPCHA: Noto(SansLepcha);
	case UCDN_SCRIPT_OL_CHIKI: Noto(SansOlChiki);
	case UCDN_SCRIPT_VAI: Noto(SansVai);
	case UCDN_SCRIPT_SAURASHTRA: Noto(SansSaurashtra);
	case UCDN_SCRIPT_KAYAH_LI: Noto(SansKayahLi);
	case UCDN_SCRIPT_REJANG: Noto(SansRejang);
	case UCDN_SCRIPT_CHAM: Noto(SansCham);
	case UCDN_SCRIPT_TAI_THAM: Noto(SansTaiTham);
	case UCDN_SCRIPT_TAI_VIET: Noto(SansTaiViet);
	case UCDN_SCRIPT_SAMARITAN: Noto(SansSamaritan);
	case UCDN_SCRIPT_LISU: Noto(SansLisu);
	case UCDN_SCRIPT_BAMUM: Noto(SansBamum);
	case UCDN_SCRIPT_JAVANESE: Noto(SansJavanese);
	case UCDN_SCRIPT_MEETEI_MAYEK: Noto(SansMeeteiMayek);
	case UCDN_SCRIPT_BATAK: Noto(SansBatak);
	case UCDN_SCRIPT_BRAHMI: Noto(SansBrahmi);
	case UCDN_SCRIPT_MANDAIC: Noto(SansMandaic);

	/* No fonts available for these scripts: */
#ifndef TOFU_HISTORIC
	case UCDN_SCRIPT_AHOM: break;
	case UCDN_SCRIPT_BASSA_VAH: break;
	case UCDN_SCRIPT_ELBASAN: break;
	case UCDN_SCRIPT_GRANTHA: break;
	case UCDN_SCRIPT_HATRAN: break;
	case UCDN_SCRIPT_ANATOLIAN_HIEROGLYPHS: break;
	case UCDN_SCRIPT_OLD_HUNGARIAN: break;
	case UCDN_SCRIPT_KHOJKI: break;
	case UCDN_SCRIPT_LINEAR_A: break;
	case UCDN_SCRIPT_MAHAJANI: break;
	case UCDN_SCRIPT_MANICHAEAN: break;
	case UCDN_SCRIPT_MEROITIC_CURSIVE: break;
	case UCDN_SCRIPT_MEROITIC_HIEROGLYPHS: break;
	case UCDN_SCRIPT_MODI: break;
	case UCDN_SCRIPT_MULTANI: break;
	case UCDN_SCRIPT_OLD_NORTH_ARABIAN: break;
	case UCDN_SCRIPT_NABATAEAN: break;
	case UCDN_SCRIPT_PALMYRENE: break;
	case UCDN_SCRIPT_OLD_PERMIC: break;
	case UCDN_SCRIPT_PSALTER_PAHLAVI: break;
	case UCDN_SCRIPT_SIDDHAM: break;
#endif
	case UCDN_SCRIPT_BRAILLE: break; /* no dedicated font */
	case UCDN_SCRIPT_CHAKMA: break;
	case UCDN_SCRIPT_MIAO: break;
	case UCDN_SCRIPT_SHARADA: break;
	case UCDN_SCRIPT_SORA_SOMPENG: break;
	case UCDN_SCRIPT_TAKRI: break;
	case UCDN_SCRIPT_CAUCASIAN_ALBANIAN: break;
	case UCDN_SCRIPT_DUPLOYAN: break;
	case UCDN_SCRIPT_KHUDAWADI: break;
	case UCDN_SCRIPT_MENDE_KIKAKUI: break;
	case UCDN_SCRIPT_MRO: break;
	case UCDN_SCRIPT_PAHAWH_HMONG: break;
	case UCDN_SCRIPT_PAU_CIN_HAU: break;
	case UCDN_SCRIPT_TIRHUTA: break;
	case UCDN_SCRIPT_WARANG_CITI: break;
	case UCDN_SCRIPT_SIGNWRITING: break;

#endif
	}

	return *size = 0, NULL;
}

const char *
fz_lookup_noto_symbol_font(fz_context *ctx, int *size)
{
#ifndef TOFU_SYMBOL
	DEC_FONT(NotoSansSymbols_Regular_ttf);
	RET_FONT(NotoSansSymbols_Regular_ttf);
#else
	return *size = 0, NULL;
#endif
}

const char *
fz_lookup_noto_emoji_font(fz_context *ctx, int *size)
{
#ifndef TOFU_EMOJI
	DEC_FONT(NotoEmoji_Regular_ttf);
	RET_FONT(NotoEmoji_Regular_ttf);
#else
	return *size = 0, NULL;
#endif
}