using System;
using static PKHeX.Core.ItemStorage6XY;

namespace PKHeX.Core;

public sealed class ItemStorage6AO : IItemStorage
{
    public static readonly ItemStorage6AO Instance = new();

    internal static ReadOnlySpan<ushort> Pouch_TMHM_AO =>
    [
        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, // 01-92

        618, 619, 620, // 93-95
        690, 691, 692, 693, 694, // 96-100

        420, 421, 422, 423, 424,

        // OR/AS
        425, 737,
    ];

    private static ReadOnlySpan<ushort> Pouch_Items_AO =>
    [
        // Flutes moved to the Medicine pouch.
        001, 002, 003, 004, 005, 006, 007, 008, 009, 010, 011, 012, 013, 014, 015, 016, 055, 056,
        057, 058, 059, 060, 061, 062, 063, 064,                068, 069, 070, 071, 072, 073, 074, 075,
        076, 077, 078, 079, 080, 081, 082, 083, 084, 085, 086, 087, 088, 089, 090, 091, 092, 093, 094,
        099, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 112, 116, 117, 118, 119, 135, 136,
        213, 214, 215, 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,
        492, 493, 494, 495, 496, 497, 498, 499, 500, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546,
        547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 571,
        572, 573, 576, 577, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 639, 640, 644, 646,
        647, 648, 649, 650, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666,
        667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685,
        699, 704, 710, 711, 715,

        // OR/AS Additions
        534, 535,
        752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 767, 768, 769, 770,
    ];

    private static ReadOnlySpan<ushort> Pouch_Key_AO =>
    [
        216, 445, 446, 447, 465, 466, 471, 628,
        629, 631, 632, 638, 697,

        // Illegal
        // 716, 717, 723, 745, 746, 747, 748, 749, 750, 766,

        // OR/AS
        457, 474, 503,

        718, 719,
        720, 721, 722,      724, 725, 726, 727, 728, 729,
        730, 731, 732, 733, 734, 735, 736, 738, 739,
        740, 741, 742, 743, 744,
        751,
        765, 771, 772, 774, 775,
    ];

    private static ReadOnlySpan<ushort> Pouch_Medicine_AO =>
    [
        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, 134, 504, 565, 566, 567, 568, 569, 570, 571, 591, 645, 708, 709,

        // OR/AS -- Moved from Items pouch.
        065, 066, 067,
    ];

    public static ushort[] GetAllHeld() => [..Pouch_Items_AO, ..Pouch_Medicine_AO, ..Pouch_Berry_XY];

    public bool IsLegal(InventoryType type, int itemIndex, int itemCount)
    {
        if (type is InventoryType.KeyItems)
            return true;
        return Unreleased.BinarySearch((ushort)itemIndex) < 0;
    }

    public ReadOnlySpan<ushort> GetItems(InventoryType type) => type switch
    {
        InventoryType.Items => Pouch_Items_AO,
        InventoryType.KeyItems => Pouch_Key_AO,
        InventoryType.TMHMs => Pouch_TMHM_AO,
        InventoryType.Medicine => Pouch_Medicine_AO,
        InventoryType.Berries => Pouch_Berry_XY,
        _ => throw new ArgumentOutOfRangeException(nameof(type), type, null),
    };
}