#include QMK_KEYBOARD_H

enum layer_names {
    BASE,
    GREL,
    GREU,
    SYMB,
    MATH,
    QWER,
    FNLR
};

enum unicode_names {
  //MATH
	neq,  //≠
	intgrl,  //∫
	angl,  //∠
	imply,  //⇒
	equiv,  //⇔
	porp,  //∝
	exists,  //∃
	nexists,  //∄
	forall,  //∀
	and,  //∧
	or,  //∨
	xor,  //⊕
	apeql,  //≅
	root,  //√
	not,  //¬
	sum,  //∑
	plsminus,  //±
	infin,  //∞
	emtyset,  //∅
	Mn,  //ℕ
	Mz,  //ℤ
	Mq,  //ℚ
	Mr,  //ℝ
	Mc,  //ℂ
	eleof,  //∈
	member,  //∋
	neleof,  //∉
	nmember,  //∌
	subsetof,  //⊂
	suprsetof,  //⊃
	intersection,  //∩
	Munion,  //∪

  //SYMB
  arwl,
  arwu,
  arwr,
  arwd,

  uxclm,
  cent,
  degree,
  trade,
  copy,
  numero,
  sect,
  mdot,
  rang,


  lshade,
  mshade,
  dshade,

  fire,
  water,
  cleft,
  baster,
  neteen,
  floppy,

  boxemp,
  boxchk,
  boxX,

  bbstr,
  bbstl,
  bbml,
  bbmr,
  bbmb,
  bbrtr,
  bbrbr,
  bbrtl,
  bbrbl,
  bbsbr,
  bbsbl,
  bbmbr,
  bbmbl,

  Agrave,
  Aacute,
  Acircm,
  Atilde,
  Abreve,
  Adiaer,
  Adacut,

    // not all ogham letters, as I
    // actually intend to use them for hex
  OS,
  Oa,
  Ob,
  Oc,
  Od,
  Oe,
  Of,
  Og,
  Oh,
  Oi,
  OA,
  OB,
  OC,
  OD,
  OE,
  OF,
  Os,
  OED,
  Ox,
  gnd,
  sqr,
  sine,
  opt,

  geq,
  leq,
  brkup,
  brkdn,
  perup,
  perdn,

  //GREEL
	rone,  // 1:: ⅰ
	rtwo,
	rthree,
	rfour,  // 4:: ⅳ
	rfive,  // 5:: ⅴ
	rsix,  // 6:: ⅵ
	rseven,  // 7:: ⅶ
	reight,  // 8:: ⅷ
	rnine,  // 9:: ⅸ
	rten,  // 0:: ⅹ
	gq,  // q:: θ
	gw,  // w:: ω
	ge,  // e:: ε
	gr,  // r:: ρ
	gt,  // t:: τ
	gy,  // y:: ψ
	gu,  // u:: υ
	gi,  // i:: ι
	go,  // o:: ο
	gp,  // p:: π
	ga,  // a:: α
	gs,  // s:: σ
	gd,  // d:: δ
	gf,  // f:: φ
	gg,  // g:: γ
	gh,  // h:: η
	gj,  // j:: ϑ
	gk,  // k:: κ
	gl,  // l:: λ
	gz,  // z:: ζ
	gx,  // x:: ξ
	gc,  // c:: χ
	gv,  // v:: ς
	gb,  // b:: β
	gn,  // n:: ν
	gm,  // m:: μ

  //GREEU
	Rone,  // 1:: Ⅰ
	Rtwo,  // 2:: Ⅱ
	Rthree,  // 3:: Ⅲ
	Rfour,  // 4:: Ⅳ
	Rfive,  // 5:: Ⅴ
	Rsix,  // 6:: Ⅵ
	Rseven,  // 7:: Ⅶ
	Reight,  // 8:: Ⅷ
	Rnine,  // 9:: Ⅸ
  Rten,
	Gq,  // Q:: Θ
	Gw,  // W:: Ω
	Ge,  // E:: Ε
	Gr,  // R:: Ρ
	Gt,  // T:: Τ
	Gy,  // Y:: Ψ
	Gu,  // U:: Υ
	Gi,  // I:: Ι
	Go,  // O:: Ο
	Gp,  // P:: Π
	Ga,  // A:: Α
	Gs,  // S:: Σ
	Gd,  // D:: Δ
	Gf,  // F:: Φ
	Gg,  // G:: Γ
	Gh,  // H:: Η
	Gj,  // J:: J
	Gk,  // K:: Κ
	Gl,  // L:: Λ
	Gz,  // Z:: Ζ
	Gx,  // X:: Ξ
	Gc,  // C:: Χ
	Gv,  // V:: V
	Gb,  // B:: Β
	Gn,  // N:: Ν
	Gm,  // M:: Μ
};

const uint32_t PROGMEM unicode_map[] = {
  //MATH
	[neq] = 0x2260,  //≠
	[intgrl] = 0x222B,  //∫
	[angl] = 0x2220,  //∠
	[imply] = 0x21D2,  //⇒
	[equiv] = 0x21D4,  //⇔
	[porp] = 0x221D,  //∝
	[exists] = 0x2203,  //∃
	[nexists] = 0x2204,  //∄
	[forall] = 0x2200,  //∀
	[and] = 0x2227,  //∧
	[or] = 0x2228,  //∨
	[xor] = 0x2295,  //⊕
	[apeql] = 0x2245,  //≅
	[root] = 0x221A,  //√
	[not] = 0x00AC,  //¬
	[sum] = 0x2211,  //∑
	[plsminus] = 0x00B1,  //±
	[infin] = 0x221E,  //∞
	[emtyset] = 0x2205,  //∅
	[Mn] = 0x2115,  //ℕ
	[Mz] = 0x2124,  //ℤ
	[Mq] = 0x211A,  //ℚ
	[Mr] = 0x211D,  //ℝ
	[Mc] = 0x2102,  //ℂ
	[eleof] = 0x2208,  //∈
	[member] = 0x220B,  //∋
	[neleof] = 0x2209,  //∉
	[nmember] = 0x220C,  //∌
	[subsetof] = 0x2282,  //⊂
	[suprsetof] = 0x2283,  //
	[intersection] = 0x2229,  //∩
	[Munion] = 0x222A,  //∪
  //Symbol
	[arwl] = 0x2190,  //←
  [arwu] = 0x2191, //↑
	[arwr] = 0x2192,  //→
  [arwd] = 0x2193, //↓

	[uxclm] = 0x00A1,  //¡
  [cent] = 0x00A2, //¢
  [degree] = 0x00B0, //°
  [trade] = 0x2122, //™
  [copy] = 0x00A9, //©
  [numero] = 0x2116, //№
  [sect] = 0x00A7, //§
  [mdot] = 0x00B7, //·
  [rang] = 0x299C, //⦜


  [lshade] = 0x2591,//░
  [mshade] = 0x2592,//▒
  [dshade] = 0x2593,//▓

  [fire] = 0x1F525, //🔥
  [water] = 0x1F322, //🌢
  [cleft] = 0x1F12F, //🄯
  [baster] = 0x1F7BC, //🞼
  [neteen] = 0x1F51E, //🔞
  [floppy] = 0x1F5AB, //🖫

	[boxemp] = 0x2610,  //☐
	[boxchk] = 0x2611,  //☑
	[boxX] = 0x2612,  //☒

	[bbstr] = 0x23A1,  //⎡
	[bbstl] = 0x23A4,  //⎤
	[bbml] = 0x23A8,  //⎨
	[bbmr] = 0x23AC,  //⎬
	[bbmb] = 0x23AA,  //⎪
	[bbrtr] = 0x23A7,  //⎧
	[bbrbr] = 0x23A9,  //⎩
	[bbrtl] = 0x23AB,  //⎫
	[bbrbl] = 0x23AD,  //⎭
	[bbsbr] = 0x23A3,  //⎣
	[bbsbl] = 0x23A6,  //⎦
	[bbmbr] = 0x23A5,  //⎥
	[bbmbl] = 0x23A2,  //⎢

  [Agrave] = 0x0300,//è //above  [wtf] = 0x1242A, //𒐪
	[Aacute] = 0x0301,//é //1st
  [Acircm] = 0x0302,//ê //2nd
	[Atilde] = 0x0303,//ẽ //5th
	[Abreve] = 0x0306,//ĕ //4th
	[Adiaer] = 0x0308,//ë //3rd
	[Adacut] = 0x030B,//e̋

  // not all ogham letters, as I
  // actually intend to use them for hex
  [OS] = 0x1680,//space
  [Oa] = 0x1681,//1
  [Ob] = 0x1682,//2
  [Oc] = 0x1683,//3
  [Od] = 0x1684,//4
  [Oe] = 0x1685,//5
  [Of] = 0x1686,//6
  [Og] = 0x1687,//7
  [Oh] = 0x1688,//8
  [Oi] = 0x1689,//9
  [OA] = 0x168A,//A
  [OB] = 0x168B,//B
  [OC] = 0x168C,//C
  [OD] = 0x168D,//D
  [OE] = 0x168E,//E
  [OF] = 0x168F,//F
  [Os] = 0x169B,//Start
  [OED] = 0x169C,//End
  [Ox] = 0x1695,//X

  [gnd] = 0x23DA,//⏚
  [sqr] = 0x238D,//⎍, actually monostable
  [sine] = 0x223F,//∿
  [opt] = 0x2325,//⌥, actually option used for switch

	[geq] = 0x2264,  //≤
	[leq] = 0x2265,  //≥
	[brkup] = 0xFE38,  //︸
	[brkdn] = 0xFE37,  //︷
  [perup] = 0xFE35, //︵
  [perdn] = 0xFE36, //︶
  //GREEKL
  [rone] = 0x2170,  // 1:: ⅰ
	[rtwo] = 0x2171,  // 2:: ⅱ
	[rthree] = 0x2172,  // 3:: ⅲ
	[rfour] = 0x2173,  // 4:: ⅳ
	[rfive] = 0x2174,  // 5:: ⅴ
	[rsix] = 0x2175,  // 6:: ⅵ
	[rseven] = 0x2176,  // 7:: ⅶ
	[reight] = 0x2177,  // 8:: ⅷ
	[rnine] = 0x2178,  // 9:: ⅸ
	[rten] = 0x2179,  // 0:: ⅹ
	[gq] = 0x03B8,  // q:: θ
	[gw] = 0x03C9,  // w:: ω
	[ge] = 0x03B5,  // e:: ε
	[gr] = 0x03C1,  // r:: ρ
	[gt] = 0x03C4,  // t:: τ
	[gy] = 0x03C8,  // y:: ψ
	[gu] = 0x03C5,  // u:: υ
	[gi] = 0x03B9,  // i:: ι
	[go] = 0x03BF,  // o:: ο
	[gp] = 0x03C0,  // p:: π
	[ga] = 0x03B1,  // a:: α
	[gs] = 0x03C3,  // s:: σ
	[gd] = 0x03B4,  // d:: δ
	[gf] = 0x03C6,  // f:: φ
	[gg] = 0x03B3,  // g:: γ
	[gh] = 0x03B7,  // h:: η
	[gj] = 0x03D1,  // j:: ϑ
	[gk] = 0x03BA,  // k:: κ
	[gl] = 0x03BB,  // l:: λ
	[gz] = 0x03B6,  // z:: ζ
	[gx] = 0x03BE,  // x:: ξ
	[gc] = 0x03C7,  // c:: χ
	[gv] = 0x03C2,  // v:: ς
	[gb] = 0x03B2,  // b:: β
	[gn] = 0x03BD,  // n:: ν
	[gm] = 0x03BC,  // m:: μ
  //GREEKU
	[Rone] = 0x2160,  // 1:: Ⅰ
	[Rtwo] = 0x2161,  // 2:: Ⅱ
	[Rthree] = 0x2162,  // 3:: Ⅲ
	[Rfour] = 0x2163,  // 4:: Ⅳ
	[Rfive] = 0x2164,  // 5:: Ⅴ
	[Rsix] = 0x2165,  // 6:: Ⅵ
	[Rseven] = 0x2166,  // 7:: Ⅶ
	[Reight] = 0x2167,  // 8:: Ⅷ
	[Rnine] = 0x2168,  // 9:: Ⅸ
	[Rten] = 0x2169,  // 0:: Ⅹ
	[Gq] = 0x0398,  // Q:: Θ
	[Gw] = 0x03A9,  // W:: Ω
	[Ge] = 0x0395,  // E:: Ε
	[Gr] = 0x03A1,  // R:: Ρ
	[Gt] = 0x03A4,  // T:: Τ
	[Gy] = 0x03A8,  // Y:: Ψ
	[Gu] = 0x03A5,  // U:: Υ
	[Gi] = 0x0399,  // I:: Ι
	[Go] = 0x039F,  // O:: Ο
	[Gp] = 0x03A0,  // P:: Π
	[Ga] = 0x0391,  // A:: Α
	[Gs] = 0x03A3,  // S:: Σ
	[Gd] = 0x0394,  // D:: Δ
	[Gf] = 0x03A6,  // F:: Φ
	[Gg] = 0x0393,  // G:: Γ
	[Gh] = 0x0397,  // H:: Η
	[Gj] = 0x004A,  // J:: J
	[Gk] = 0x039A,  // K:: Κ
	[Gl] = 0x039B,  // L:: Λ
	[Gz] = 0x0396,  // Z:: Ζ
	[Gx] = 0x039E,  // X:: Ξ
	[Gc] = 0x03A7,  // C:: Χ
	[Gv] = 0x0056,  // V:: V
	[Gb] = 0x0392,  // B:: Β
	[Gn] = 0x039D,  // N:: Ν
	[Gm] = 0x039C,  // M:: Μ
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

[BASE] = LAYOUT_ergodox(  // layer 0 : default
        KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_GRV,
        KC_TAB, KC_QUOT, KC_COMM, KC_DOT, KC_P, KC_Y, KC_BSLS,
        KC_EQL, KC_A, KC_O, KC_E, KC_U, KC_I,
        KC_LSPO, KC_SCLN, KC_Q, KC_J, KC_K, KC_X, KC_AMPR,
        OSL(FNLR), TT(GREL), TT(MATH), KC_UP, KC_DOWN,
        KC_LBRC, KC_HOME, KC_INS, KC_SPC, KC_LGUI, KC_DEL,

        OSL(FNLR), KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
        KC_PGUP, KC_F, KC_G, KC_C, KC_R, KC_L, KC_SLSH,
        KC_D, KC_H, KC_T, KC_N, KC_S, KC_MINS,
        KC_PGDN, KC_B, KC_M, KC_W, KC_V, KC_Z, KC_RSPC,
        KC_LEFT, KC_RIGHT, KC_RALT, TT(SYMB), TT(QWER),
        KC_END, KC_RBRC, KC_PSCR, KC_RALT, KC_RCTL, KC_ENT
),

[FNLR] = LAYOUT_ergodox(
       // left hand
       UC_M_LN,   KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_NO,
       UC_M_WC,KC_F11, KC_F12, KC_F13,KC_F14, KC_F15,  KC_NO,
       KC_NO,KC_F21, KC_F22, KC_F23,KC_F24, KC_NO,
       KC_NO,KC_PAUSE,KC_PSCR,KC_SLCK,KC_NO,KC_NO,KC_NO,
          EEP_RST,TO(BASE),TO(BASE),TO(BASE),TO(BASE),
                                       KC_NO,KC_NO,
                                               KC_NO,
                               KC_NO,KC_NO,KC_NO,
       // right hand
       TO(BASE), KC_F6,   KC_F7,  KC_F8,   KC_F9,   KC_F10,  UC_M_LN,
       KC_NO, KC_F16,  KC_F17,KC_F18,   KC_F19,  KC_F20,  UC_M_WI,
                KC_NO, KC_NO,   KC_NO,    KC_NO,    KC_NO, KC_NO,
       KC_NO, KC_NO, KC_NO,   KC_NO,    KC_NO,    KC_NO, KC_NO,
                         KC_NO,KC_NO,  KC_NO,    KC_NO,  KC_NO,
       KC_NO, KC_NO,
       KC_NO,
       KC_NO, KC_RCTL, KC_NO
),

[QWER] = LAYOUT_ergodox(
        KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_GRV,
        KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_BSLS,
        KC_AMPR, KC_A, KC_S, KC_D, KC_F, KC_G,
        KC_LSPO, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_QUOT,
        KC_BSLS, KC_LCTL, KC_LGUI, KC_RALT, KC_APP,
        KC_LBRC, KC_HOME, KC_PGUP, KC_SPC, KC_LSFT, KC_PGDN,

        OSL(FNLR), KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
        KC_MINS, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_SLSH,
        KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_ENT,
        KC_EQL, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSPC,
        KC_UP, KC_DOWN, KC_LEFT, KC_RIGHT, TO(BASE),
        KC_END, KC_INS, KC_DEL, KC_RGHT, KC_ENT, KC_SPC
),

[MATH] = LAYOUT_ergodox(
	KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_GRV,
	KC_TAB,	X(Mc),	X(Munion),	X(arwl),	X(or),	X(exists),	KC_BSLASH,
	X(arwr), X(root), X(and), X(imply), X(nexists), X(forall),
	KC_LSPO,	KC_SCLN,	X(intgrl),	X(Mn),	X(Mz),	X(member),	X(arwl),
	KC_MS_L, TO(BASE), TO(BASE), KC_INS, KC_DEL,
	KC_LBRC, KC_HOME, KC_UP, KC_SPC, KC_LGUI, KC_DOWN,

	TT(FNLR), KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
	KC_PGUP, X(plsminus),	X(infin),	X(neleof),	X(equiv),	X(Mq),	KC_EQL,
	X(sum),	X(emtyset),	X(porp),	X(suprsetof),	X(not),	X(neq),
	KC_PGDN,	X(subsetof),	X(intersection),	X(angl),	X(nmember),	X(eleof),	KC_RSPC,
	KC_RCTL, KC_RALT, KC_APP, TO(BASE), TO(BASE),
	KC_END, KC_RBRC, KC_LEFT, KC_RGHT, KC_ENT, KC_SPC
),

[SYMB] = LAYOUT_ergodox(
	X(Os), X(Oa), X(Ob), X(Oc), X(Od), X(Oe), X(mdot),
	X(boxemp), X(bbstr), X(bbrtr), X(bbrtl), X(bbstl), X(degree), X(brkdn),
	X(boxchk), X(bbmbl), X(bbml), X(bbmr), X(bbmbr), X(neteen),
	X(boxX), X(bbsbr), X(bbrbr), X(bbrbl), X(bbsbl), X(uxclm), X(brkup),
	X(floppy), TO(BASE), TO(BASE), X(arwu), X(arwd),
	X(fire), X(lshade), X(mshade), KC_SPC, X(OS), X(dshade),

	X(Ox), X(Of), X(Og), X(Oh), X(Oi), X(OA), X(OB),
	X(numero), X(trade), X(copy), X(cleft), X(cent), X(OED), X(OC),
	X(Agrave), X(gnd), X(sqr), X(sine), X(opt), X(OD),
	X(sect), X(Aacute), X(Acircm), X(Adiaer), X(Abreve), X(Atilde), X(OE),
	X(arwl), X(arwr), X(geq), X(leq), X(OF),
	X(rang), X(water), X(perup), X(perdn), X(baster), KC_ENT
),

[GREL] = LAYOUT_ergodox(
	KC_ESC, X(Rone), X(Rtwo), X(Rthree), X(Rfour), X(Rfive), KC_GRV,
	KC_TAB, KC_QUOT, KC_COMM, KC_DOT, X(gp), X(gy), KC_SLSH,
	KC_SLSH, X(ga), X(go), X(ge), X(gu), X(gi),
	MO(GREU), KC_SCLN, X(gq), X(gj), X(gk), X(gx), KC_AMPR,
	KC_MS_L, TO(BASE), TO(BASE), KC_INS, KC_DEL,
	KC_LBRC, KC_HOME, KC_UP, KC_SPC, KC_LGUI, KC_DOWN,

	TO(BASE), X(Rsix), X(Rseven), X(Reight), X(Rnine), X(Rten), KC_BSPC,
	KC_PGUP, X(gf), X(gg), X(gc), X(gr), X(gl), KC_EQL,
	X(gd), X(gh), X(gt), X(gn), X(gs), KC_MINS,
	KC_PGDN, X(gb), X(gm), X(gw), X(gv), X(gz), MO(GREU),
	KC_RCTL, KC_RALT, KC_APP, TO(BASE), TO(BASE),
	KC_END, KC_RBRC, KC_LEFT, KC_RGHT, KC_ENT, KC_SPC
),

[GREU] = LAYOUT_ergodox(
	KC_ESC, X(Rone), X(Rtwo), X(Rthree), X(Rfour), X(Rfive), KC_GRV,
	KC_TAB, KC_QUOT, KC_COMM, KC_DOT, X(Gp), X(Gy), KC_SLSH,
	KC_SLSH, X(Ga), X(Go), X(Ge), X(Gu), X(Gi),
	KC_TRNS, KC_SCLN, X(Gq), X(Gj), X(Gk), X(Gx), KC_AMPR,
	KC_MS_L, TO(BASE), TO(BASE), KC_INS, KC_DEL,
	KC_LBRC, KC_HOME, KC_UP, KC_SPC, KC_LGUI, KC_DOWN,

	TO(BASE), X(Rsix), X(Rseven), X(Reight), X(Rnine), X(Rten), KC_BSPC,
	KC_PGUP, X(Gf), X(Gg), X(Gc), X(Gr), X(Gl), KC_EQL,
	X(Gd), X(Gh), X(Gt), X(Gn), X(Gs), KC_MINS,
	KC_PGDN, X(Gb), X(Gm), X(Gw), X(Gv), X(Gz), KC_TRNS,
	KC_RCTL, KC_RALT, KC_APP, TO(BASE), TO(BASE),
	KC_END, KC_RBRC, KC_LEFT, KC_RGHT, KC_ENT, KC_SPC
),

};

// Runs just one time when the keyboard initializes.
void matrix_init_user(void) {

};

// Runs constantly in the background, in a loop.
void matrix_scan_user(void) {
    uint8_t layer = biton32(layer_state);

    ergodox_board_led_off();
    ergodox_right_led_1_off();
    ergodox_right_led_2_off();
    ergodox_right_led_3_off();
    switch (layer) {
      // TODO: Make this relevant to the ErgoDox EZ.
        case 1:
            ergodox_right_led_1_on();
            break;
        case 2:
            ergodox_right_led_2_on();
            break;
        default:
            // none
            break;
    }
};