using System.Collections.Generic;
using System.Linq;

namespace PKHeX.Core
{
    public static partial class Legal
    {
        internal const int MaxSpeciesID_4 = 493;
        internal const int MaxMoveID_4 = 467;
        internal const int MaxItemID_4_DP = 464;
        internal const int MaxItemID_4_Pt = 467;
        internal const int MaxItemID_4_HGSS = 536;
        internal const int MaxAbilityID_4 = 123;
        internal const int MaxBallID_4 = 0x18;
        /// <summary> Generation 4 -> Generation 5 Transfer Location (Poké Transporter) </summary>
        public const int Transfer4 = 30001;
        /// <summary> Generation 4 -> Generation 5 Transfer Location (Crown Celebi - Event not activated in Gen 5) </summary>
        public const int Transfer4_CelebiUnused = 30010;
        /// <summary> Generation 4 -> Generation 5 Transfer Location (Crown Celebi - Event activated in Gen 5) </summary>
        public const int Transfer4_CelebiUsed = 30011;
        /// <summary> Generation 4 -> Generation 5 Transfer Location (Crown Beast - Event not activated in Gen 5) </summary>
        public const int Transfer4_CrownUnused = 30012;
        /// <summary> Generation 4 -> Generation 5 Transfer Location (Crown Beast - Event activated in Gen 5) </summary>
        public const int Transfer4_CrownUsed = 30013;

        internal static readonly int[] Met_HGSS_0 =
        {
            0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
            19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
            46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
            73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
            100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
            122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
            144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165,
            166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187,
            188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
            210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231,
            232, 233, 234,
        };
        internal static readonly int[] Met_HGSS_Hatch = Met_HGSS_0.Skip(1).ToArray(); // except 0

        internal static readonly int[] Met_HGSS_2 =
        {
            2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011,
            2012, 2013, 2014,
        };

        internal static readonly int[] Met_HGSS_3 =
        {
            3000, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 3010,
            3011, 3012, 3013, 3014, 3015, 3016, 3017, 3018, 3019, 3020, 3021, 3022, 3023, 3024, 3025, 3026, 3027, 3028,
            3029, 3030, 3031, 3032, 3033, 3034, 3035, 3036, 3037, 3038, 3039, 3040, 3041, 3042, 3043, 3044, 3045, 3046,
            3047, 3048, 3049, 3050, 3051, 3052, 3053, 3054, 3055, 3056, 3057, 3058, 3059, 3060, 3061, 3062, 3063, 3064,
            3065, 3066, 3067, 3068, 3069, 3070, 3071, 3072, 3073, 3074, 3075, 3076
        };

        #region DP
        internal static readonly ushort[] Pouch_Items_DP = {
            68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 135, 136, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327
        };
        internal static readonly ushort[] Pouch_Key_DP = {
            428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464
        };
        internal static readonly ushort[] Pouch_TMHM_DP = {
            328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427
        };
        internal static readonly ushort[] Pouch_Mail_DP = {
            137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148
        };
        internal static readonly ushort[] Pouch_Medicine_DP = {
            17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54
        };
        internal static readonly ushort[] Pouch_Berries_DP = {
            149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212
        };
        internal static readonly ushort[] Pouch_Ball_DP = {
            1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
        };
        internal static readonly ushort[] Pouch_Battle_DP = {
            55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67
        };
        internal static readonly ushort[] HeldItems_DP = new ushort[1].Concat(Pouch_Items_DP).Concat(Pouch_Mail_DP).Concat(Pouch_Medicine_DP).Concat(Pouch_Berries_DP).Concat(Pouch_Ball_DP).Concat(Pouch_TMHM_DP.Take(Pouch_TMHM_DP.Length - 8)).ToArray();
        #endregion

        #region Pt
        internal static readonly ushort[] Pouch_Items_Pt = {
            68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 135, 136, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327
        };
        internal static readonly ushort[] Pouch_Key_Pt = {
            428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467
        };
        internal static readonly ushort[] Pouch_TMHM_Pt = Pouch_TMHM_DP;
        internal static readonly ushort[] Pouch_Mail_Pt = Pouch_Mail_DP;
        internal static readonly ushort[] Pouch_Medicine_Pt = Pouch_Medicine_DP;
        internal static readonly ushort[] Pouch_Berries_Pt = Pouch_Berries_DP;
        internal static readonly ushort[] Pouch_Ball_Pt = Pouch_Ball_DP;
        internal static readonly ushort[] Pouch_Battle_Pt = Pouch_Battle_DP;

        internal static readonly ushort[] HeldItems_Pt = new ushort[1].Concat(Pouch_Items_Pt).Concat(Pouch_Mail_Pt).Concat(Pouch_Medicine_Pt).Concat(Pouch_Berries_Pt).Concat(Pouch_Ball_Pt).Concat(Pouch_TMHM_Pt.Take(Pouch_TMHM_Pt.Length - 8)).ToArray();
        #endregion

        #region HGSS
        internal static readonly ushort[] Pouch_Items_HGSS = Pouch_Items_Pt;
        internal static readonly ushort[] Pouch_Key_HGSS = {
            434, 435, 437, 444, 445, 446, 447, 450, 456, 464, 465, 466, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 501, 502, 503, 504, 532, 533, 534, 535, 536
        };
        internal static readonly ushort[] Pouch_TMHM_HGSS = Pouch_TMHM_DP;
        internal static readonly ushort[] Pouch_Mail_HGSS = Pouch_Mail_DP;
        internal static readonly ushort[] Pouch_Medicine_HGSS = Pouch_Medicine_DP;
        internal static readonly ushort[] Pouch_Berries_HGSS = Pouch_Berries_DP;
        internal static readonly ushort[] Pouch_Ball_HGSS = {
            1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 492, 493, 494, 495, 496, 497, 498, 499, 500
        };
        internal static readonly ushort[] Pouch_Battle_HGSS = Pouch_Battle_DP;

        internal static readonly ushort[] HeldItems_HGSS = new ushort[1].Concat(Pouch_Items_HGSS).Concat(Pouch_Mail_HGSS).Concat(Pouch_Medicine_HGSS).Concat(Pouch_Berries_HGSS).Concat(Pouch_Ball_Pt).Concat(Pouch_TMHM_HGSS.Take(Pouch_TMHM_HGSS.Length - 8)).ToArray();
        #endregion

        internal static readonly int[] TM_4 =
        {
            264, 337, 352, 347, 046, 092, 258, 339, 331, 237,
            241, 269, 058, 059, 063, 113, 182, 240, 202, 219,
            218, 076, 231, 085, 087, 089, 216, 091, 094, 247,
            280, 104, 115, 351, 053, 188, 201, 126, 317, 332,
            259, 263, 290, 156, 213, 168, 211, 285, 289, 315,
            355, 411, 412, 206, 362, 374, 451, 203, 406, 409,
            261, 318, 373, 153, 421, 371, 278, 416, 397, 148,
            444, 419, 086, 360, 014, 446, 244, 445, 399, 157,
            404, 214, 363, 398, 138, 447, 207, 365, 369, 164,
            430, 433,
        };

        internal static readonly HashSet<int> HM_HGSS = new HashSet<int>
        {
            015, 019, 057, 070, 250, 249, 127, 431 // Whirlpool(HGSS) 
        };

        internal static readonly HashSet<int> HM_DPPt = new HashSet<int>
        {
            015, 019, 057, 070, 432, 249, 127, 431 // Defog(DPPt)
        };


        internal static readonly HashSet<int> HM_4_RemovePokeTransfer = new HashSet<int>
        {
            015, 019, 057, 070, 249, 127, 431 // Defog(DPPt) & Whirlpool(HGSS) excluded
        };

        internal static readonly int[] MovePP_DP =
        {
            00,
            35, 25, 10, 15, 20, 20, 15, 15, 15, 35, 30, 05, 10, 30, 30, 35, 35, 20, 15, 20, 20, 15, 20, 30, 05, 25, 15, 15, 15, 25, 20, 05, 35, 15, 20, 20, 20, 15, 30, 35, 20, 20, 30, 25, 40, 20, 15, 20, 20, 20,
            30, 25, 15, 30, 25, 05, 15, 10, 05, 20, 20, 20, 05, 35, 20, 25, 20, 20, 20, 15, 25, 15, 10, 40, 25, 10, 35, 30, 15, 20, 40, 10, 15, 30, 15, 20, 10, 15, 10, 05, 10, 10, 25, 10, 20, 40, 30, 30, 20, 20,
            15, 10, 40, 15, 10, 30, 20, 20, 10, 40, 40, 30, 30, 30, 20, 30, 10, 10, 20, 05, 10, 30, 20, 20, 20, 05, 15, 10, 20, 15, 15, 35, 20, 15, 10, 20, 30, 15, 40, 20, 15, 10, 05, 10, 30, 10, 15, 20, 15, 40,
            40, 10, 05, 15, 10, 10, 10, 15, 30, 30, 10, 10, 20, 10, 01, 01, 10, 10, 10, 05, 15, 25, 15, 10, 15, 30, 05, 40, 15, 10, 25, 10, 30, 10, 20, 10, 10, 10, 10, 10, 20, 05, 40, 05, 05, 15, 05, 10, 05, 15,
            10, 10, 10, 20, 20, 40, 15, 10, 20, 20, 25, 05, 15, 10, 05, 20, 15, 20, 25, 20, 05, 30, 05, 10, 20, 40, 05, 20, 40, 20, 15, 35, 10, 05, 05, 05, 15, 05, 20, 05, 05, 15, 20, 10, 05, 05, 15, 15, 15, 15,
            10, 10, 10, 20, 10, 10, 10, 10, 15, 15, 15, 10, 20, 20, 10, 20, 20, 20, 20, 20, 10, 10, 10, 20, 20, 05, 15, 10, 10, 15, 10, 20, 05, 05, 10, 10, 20, 05, 10, 20, 10, 20, 20, 20, 05, 05, 15, 20, 10, 15,
            20, 15, 10, 10, 15, 10, 05, 05, 10, 15, 10, 05, 20, 25, 05, 40, 10, 05, 40, 15, 20, 20, 05, 15, 20, 30, 15, 15, 05, 10, 30, 20, 30, 15, 05, 40, 15, 05, 20, 05, 15, 25, 40, 15, 20, 15, 20, 15, 20, 10,
            20, 20, 05, 05, 10, 05, 40, 10, 10, 05, 10, 10, 15, 10, 20, 30, 30, 10, 20, 05, 10, 10, 15, 10, 10, 05, 15, 05, 10, 10, 30, 20, 20, 10, 10, 05, 05, 10, 05, 20, 10, 20, 10, 15, 10, 20, 20, 20, 15, 15,
            10, 15, 20, 15, 10, 10, 10, 20, 05, 30, 05, 10, 15, 10, 10, 05, 20, 30, 10, 30, 15, 15, 15, 15, 30, 10, 20, 15, 10, 10, 20, 15, 05, 05, 15, 15, 05, 10, 05, 20, 05, 15, 20, 05, 20, 20, 20, 20, 10, 20,
            10, 15, 20, 15, 10, 10, 05, 10, 05, 05, 10, 05, 05, 10, 05, 05, 05,
        };
        internal static readonly HashSet<int> WildPokeBalls4_DPPt = new HashSet<int>
        {
            1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
            // Cherish ball not usable
        };
        internal static readonly HashSet<int> WildPokeBalls4_HGSS = new HashSet<int>
        {
            1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
            // Cherish ball not usable
            17, 18, 19, 20, 21, 22, 23
            // Comp Ball not usable in wild
        };

        internal static readonly int[] FutureEvolutionsGen4 =
        {
            700
        };
        internal static readonly HashSet<int> UnreleasedItems_4 = new HashSet<int>
        {
            005, // Safari Ball
            016, // Cherish Ball
            147, // Mosaic Mail
            499, // Sport Ball
            500, // Park Ball
        };
        internal static readonly bool[] ReleasedHeldItems_4 = Enumerable.Range(0, MaxItemID_4_HGSS+1).Select(i => HeldItems_HGSS.Contains((ushort)i) && !UnreleasedItems_4.Contains(i)).ToArray();
        internal static readonly HashSet<int> CrownBeasts = new HashSet<int> { 251, 243, 244, 245 };

        internal static readonly int[] Tutors_4 =
        {
            291, 189, 210, 196, 205, 009, 007, 276,
            008, 442, 401, 466, 380, 173, 180, 314,
            270, 283, 200, 246, 235, 324, 428, 410,
            414, 441, 239, 402, 334, 393, 387, 340,
            271, 257, 282, 389, 129, 253, 162, 220,
            081, 366, 356, 388, 277, 272, 215, 067,
            143, 335, 450, 029
        };

        internal static readonly int[] SpecialTutors_4 =
        {
            307, 308, 338, 434
        };

        internal static readonly int[][] SpecialTutors_Compatibility_4 =
        {
            new[] { 006, 157, 257, 392 },
            new[] { 009, 160, 260, 395 },
            new[] { 003, 154, 254, 389 },
            new[] { 147, 148, 149, 230, 329, 330, 334, 371, 372, 373, 380, 381, 384, 443, 444, 445, 483, 484, 487 }
        };

        // Encounter Slots that are replaced
        internal static readonly int[] Slot4_Swarm = { 0, 1 };
        internal static readonly int[] Slot4_Time = { 2, 3 };
        internal static readonly int[] Slot4_Sound = { 2, 3, 4, 5 };
        internal static readonly int[] Slot4_Radar = { 4, 5, 10, 11 };
        internal static readonly int[] Slot4_Dual = { 8, 9 };

        internal static readonly HashSet<int> ValidMet_DP = new HashSet<int>
        {
            // 063: Flower Paradise unreleased DP event
            // 079: Newmoon Island unreleased DP event
            // 085: Seabreak Path unreleased DP event
            // 086: Hall of Origin unreleased event
            001, 002, 003, 004, 005, 006, 007, 008, 009, 010, 011, 012, 013, 014, 015, 016, 017, 018, 019, 020, 
            021, 022, 023, 024, 025, 026, 027, 028, 029, 030, 031, 032, 033, 034, 035, 036, 037, 038, 039, 040, 
            041, 042, 043, 044, 045, 046, 047, 048, 049, 050, 051, 052, 053, 054, 055, 056, 057, 058, 059, 060, 
            061, 062,      064, 065, 066, 067, 068, 069, 070, 071, 072, 073, 074, 075, 076, 077, 078,      080,
            081, 082, 083, 084,           087, 088, 089, 090, 091, 092, 093, 094, 095, 096, 097, 098, 099, 100,
            101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 
        };
        internal static readonly HashSet<int> ValidMet_Pt = new HashSet<int>(ValidMet_DP.Concat(new[]
        {
            63, 79, 85, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 
        }));
        internal static readonly HashSet<int> ValidMet_HGSS = new HashSet<int>
        {
            126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140,
            141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
            161, 162, 163, 164, 165, 166, 167, 168, 169, 170,      172, 173, 174, 175, 176, 177, 178, 179, 180, //171: Route 23 no longer exists
            181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200,
            201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220,
            221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,      234,                               //233: Pokéwalker
        };
        internal static readonly HashSet<int> GiftEggLocation4 = new HashSet<int>
        {
            2009, 2010, 2011, 2013, 2014
        };
        internal static readonly HashSet<int> EggLocations4 = new HashSet<int>
        {
            2000, 2002, 2009, 2010, 2011, 2013, 2014
        };
    }
}