-----------------------------------------------------------------------
-- Upvalued Lua API.
-----------------------------------------------------------------------
local _G = getfenv(0)

local bit = _G.bit


-----------------------------------------------------------------------
-- AddOn namespace.
-----------------------------------------------------------------------
local ADDON_NAME, private = ...


-----------------------------------------------------------------------
-- Game Data Constants.
-----------------------------------------------------------------------
private.LOOT_SPELL_ID_TO_ITEM_ID_MAP = {
    [142397] = 98134, -- Heroic Cache of Treasures
    [142901] = 98546, -- Bulging Heroic Cache of Treasures
    [143506] = 98095, -- Brawler's Pet Supplies
    [143507] = 94207, -- Fabled Pandaren Pet Supplies
    [143508] = 89125, -- Sack of Pet Supplies
    [143509] = 93146, -- Pandaren Spirit Pet Supplies
    [143510] = 93147, -- Pandaren Spirit Pet Supplies
    [143511] = 93149, -- Pandaren Spirit Pet Supplies
    [143512] = 93148, -- Pandaren Spirit Pet Supplies
    [146885] = 103535, -- Bulging Bag of Charms
    [147598] = 104014, -- Pouch of Timeless Coins
    [149222] = 105911, -- Pouch of Enduring Wisdom
    [149223] = 105912, -- Oversized Pouch of Enduring Wisdom
    [168178] = 114116, -- Bag of Salvaged Goods
    [168179] = 114119, -- Crate of Salvage
    [168180] = 114120, -- Big Crate of Salvage
    [171513] = 116414, -- Pet Supplies
    [175767] = 118697, -- Big Bag of Pet Supplies
}

private.RAID_BOSS_BONUS_SPELL_ID_TO_NPC_ID_MAP = {
    -----------------------------------------------------------------------
    -- World Bosses
    -----------------------------------------------------------------------
    [132205] = 60491, -- Sha of Anger Bonus (Sha of Anger)
    [132206] = 62346, -- Galleon Bonus (Galleon)
    [136381] = 69099, -- Nalak Bonus (Nalak)
    [137554] = 69161, -- Oondasta Bonus (Oondasta)
    [148317] = 71952, -- Celestials Bonus (Chi-Ji)
    [148316] = 72057, -- Ordos Bonus (Ordos)
    --[????] = 81535, -- Tarlna the Ageless Bonus Loot (Tarlna the Ageless)
    --[????] = 87437, -- Drov the Ruiner Bonus Loot (Drov the Ruiner)
    --[????] = 87493, -- Rukhmar Bonus Loot (Rukhmar)

    -----------------------------------------------------------------------
    -- Mogu'shan Vaults
    -----------------------------------------------------------------------
    [125144] = 59915, -- Stone Guard Bonus (Jasper Guardian)
    [132189] = 60009, -- Feng the Accursed Bonus (Feng the Accursed)
    [132190] = 60143, -- Gara'jal the Spiritbinder Bonus (Gara'jal the Spiritbinder)
    [132191] = 60709, -- Spirit Kings Bonus (Qiang the Merciless)
    [132192] = 60410, -- Elegon Bonus (Elegon)
    [132193] = 60399, -- Will of the Emperor Bonus (Qin-xi)

    -----------------------------------------------------------------------
    -- Terrace of Endless Spring
    -----------------------------------------------------------------------
    [132200] = 60583, -- Protectors of the Endless Bonus (Protector Kaolan)
    [132204] = 60583, -- Protectors of the Endless (Elite) Bonus (Protector Kaolan)
    [132201] = 62442, -- Tsulong Bonus (Tsulong)
    [132202] = 62983, -- Lei Shi Bonus (Lei Shi)
    [132203] = 60999, -- Sha of Fear Bonus (Sha of Fear)

    -----------------------------------------------------------------------
    -- Heart of Fear
    -----------------------------------------------------------------------
    [132194] = 62980, -- Imperial Vizier Zor'lok Bonus (Imperial Vizier Zor'lok)
    [132195] = 62543, -- Blade Lord Tay'ak Bonus (Blade Lord Ta'yak)
    [132196] = 62164, -- Garalon Bonus (Garalon)
    [132197] = 62397, -- Wind Lord Mel'jarak Bonus (Wind Lord Mel'jarak)
    [132198] = 62511, -- Amber-Shaper Un'sok Bonus (Amber-Shaper Un'sok)
    [132199] = 62837, -- Grand Empress Shek'zeer Bonus (Grand Empress Shek'zeer)

    -----------------------------------------------------------------------
    -- Throne of Thunder
    -----------------------------------------------------------------------
    [139674] = 69465, -- Jin'rokh the Breaker Bonus (Jin'rokh the Breaker)
    [139677] = 68476, -- Horridon Bonus (Horridon)
    [139679] = 69078, -- Zandalari Troll Council Bonus (Sul the Sandcrawler)
    [139680] = 67977, -- Tortos Bonus (Tortos)
    [139682] = 68065, -- Magaera Bonus (Megaera)
    [139684] = 69712, -- Ji'kun, the Ancient Mother Bonus (Ji-Kun)
    [139686] = 68036, -- Durumu the Forgotten Bonus (Durumu the Forgotten)
    [139687] = 69017, -- Primordious Bonus (Primordius)
    [139688] = 69427, -- Dark Animus Bonus (Dark Animus)
    [139689] = 68078, -- Iron Qon Bonus (Iron Qon)
    [139690] = 68904, -- The Empyreal Queens Bonus (Suen)
    [139691] = 68397, -- Lei Shen, The Thunder King Bonus (Lei Shen)
    [139692] = 69473, -- Ra-den Bonus (Ra-den)

    -----------------------------------------------------------------------
    -- Siege of Orgrimmar
    -----------------------------------------------------------------------
    [145909] = 71543, -- Immerseus Bonus (Immerseus)
    [145910] = 71475, -- Fallen Protectors Bonus (Rook Stonetoe)
    [145911] = 72276, -- Norushen Bonus (Amalgam of Corruption)
    [145912] = 71734, -- Sha of Pride Bonus (Sha of Pride)
    [145913] = 72249, -- Galakras Bonus (Galakras)
    [145914] = 71466, -- Iron Juggernaut Bonus (Iron Juggernaut)
    [145915] = 71859, -- Dark Shaman Bonus (Earthbreaker Haromm)
    [145916] = 71515, -- General Nazgrim Bonus (General Nazgrim)
    [145917] = 71454, -- Malkorok Bonus (Malkorok)
    [145919] = 71889, -- Spoils of Pandaria Bonus (Secured Stockpile of Pandaren Spoils)
    [145920] = 71529, -- Thok the Bloodthirsty Bonus (Thok the Bloodthirsty)
    [145918] = 71504, -- Siegecrafter Blackfuse Bonus (Siegecrafter Blackfuse)
    [145921] = 71161, -- Klaxxi Paragons Bonus (Kil'ruk the Wind-Reaver)
    [145922] = 71865, -- Garrosh Hellscream Bonus (Garrosh Hellscream)

    -----------------------------------------------------------------------
    -- Blackrock Foundry
    -----------------------------------------------------------------------
    [177510] = 76877, -- Gruul Bonus Loot (Gruul)
    [177511] = 77182, -- Oregorger Bonus Loot (Oregorger)
    [177512] = 76809, -- Blast Furnace Loot (Foreman Feldspar)
    [177513] = 76973, -- Hans'gar & Franzok Bonus Loot (Hans'gar)
    [177515] = 76814, -- Flamebender Ka'graz Bonus Loot (Flamebender Ka'graz)
    [177516] = 77692, -- Kromog Bonus Loot (Kromog)
    [177517] = 76865, -- Beastlord Darmac Bonus Loot (Beastlord Darmac)
    [177518] = 76906, -- Operator Thogar Bonus Loot (Operator Thogar)
    [177519] = 77557, -- The Iron Maidens Bonus Loot (Admiral Gar'an)
    [177520] = 87420, -- Blackhand Bonus Loot (Blackhand)

    -----------------------------------------------------------------------
    -- Highmaul
    -----------------------------------------------------------------------
    [177503] = 87444, -- Kargath Bladefist Bonus Loot (Kargath Bladefist)
    [177504] = 87447, -- Butcher Bonus Loot (The Butcher)
    [177505] = 87446, -- Tectus Bonus Loot (Tectus)
    [177506] = 87441, -- Brackenspore Bonus Loot (Brackenspore)
    [177507] = 87449, -- Twin Ogron Bonus Loot (Twin Ogron)
    [177508] = 87445, -- Ko'ragh Bonus Loot (Ko'ragh)
    [177509] = 87818, -- Imperator Mar'gok Bonus Loot (Imperator Mar'gok)
}


-----------------------------------------------------------------------
-- Fundamental Constants.
-----------------------------------------------------------------------
private.wow_version, private.build_num = _G.GetBuildInfo()
private.region = GetCVar("portal"):sub(0,2):upper()
-- PTR/Beta return "public-test", but they are properly called "XX"
if private.region == "PU" then private.region = "XX" end

private.UNIT_TYPES = {
    PLAYER = "Player",
    OBJECT = "GameObject",
    UNKNOWN = "Unknown",
    NPC = "Creature",
    PET = "Pet",
    VEHICLE = "Vehicle",
    ITEM = "Item",
}

private.UNIT_TYPE_NAMES = {
    ["Player"] = "PLAYER",
    ["GameObject"] = "OBJECT",
    ["Unknown"] = "UNKNOWN",
    ["Creature"] = "NPC",
    ["Pet"] = "PET",
    ["Vehicle"] = "VEHICLE",
    ["Item"] = "ITEM",
}

private.ACTION_TYPE_FLAGS = {
    ITEM = 0x00000001,
    NPC = 0x00000002,
    OBJECT = 0x00000004,
    ZONE = 0x00000008,
}

private.ACTION_TYPE_NAMES = {}

for name, bit in _G.pairs(private.ACTION_TYPE_FLAGS) do
    private.ACTION_TYPE_NAMES[bit] = name
end

private.EXTRAPOLATION_BANNED_SPELL_IDS = {
    [13262] = "DISENCHANT",
    [4036] = "ENGINEERING",
    [30427] = "EXTRACT_GAS",
    [131476] = "FISHING",
    [2366] = "HERB_GATHERING",
    [51005] = "MILLING",
    [605] = "MIND_CONTROL",
    [2575] = "MINING",
    [921] = "PICK_POCKET",
    [31252] = "PROSPECTING",
    [73979] = "SEARCHING_FOR_ARTIFACTS",
    [8613] = "SKINNING",
}

private.SPELL_LABELS_BY_NAME = {
    [_G.GetSpellInfo(13262)] = "DISENCHANT",
    [_G.GetSpellInfo(4036)] = "ENGINEERING",
    [_G.GetSpellInfo(30427)] = "EXTRACT_GAS",
    [_G.GetSpellInfo(131476)] = "FISHING",
    [_G.GetSpellInfo(2366)] = "HERB_GATHERING",
    [_G.GetSpellInfo(51005)] = "MILLING",
    [_G.GetSpellInfo(605)] = "MIND_CONTROL",
    [_G.GetSpellInfo(2575)] = "MINING",
    [_G.GetSpellInfo(3365)] = "OPENING",
    [_G.GetSpellInfo(921)] = "PICK_POCKET",
    [_G.GetSpellInfo(31252)] = "PROSPECTING",
    [_G.GetSpellInfo(73979)] = "SEARCHING_FOR_ARTIFACTS",
    [_G.GetSpellInfo(8613)] = "SKINNING",
}

private.NON_LOOT_SPELL_LABELS = {
    MIND_CONTROL = true,
}

local AF = private.ACTION_TYPE_FLAGS

private.SPELL_FLAGS_BY_LABEL = {
    DISENCHANT = AF.ITEM,
    ENGINEERING = AF.NPC,
    EXTRACT_GAS = AF.ZONE,
    FISHING = AF.ZONE,
    HERB_GATHERING = bit.bor(AF.NPC, AF.OBJECT),
    MILLING = AF.ITEM,
    MIND_CONTROL = AF.NPC,
    MINING = bit.bor(AF.NPC, AF.OBJECT),
    OPENING = AF.OBJECT,
    PICK_POCKET = AF.NPC,
    PROSPECTING = AF.ITEM,
    SEARCHING_FOR_ARTIFACTS = AF.OBJECT,
    SKINNING = AF.NPC,
}