NanamiPlates = {}
NanamiPlates.modules = {}
NanamiPlates.registry = {}

local pairs = pairs
local tostring = tostring
local CreateFrame = CreateFrame

local superwow_active = (SpellInfo ~= nil) or (UnitGUID ~= nil) or (SUPERWOW_VERSION ~= nil)
NanamiPlates.superwow_active = superwow_active

local _, playerClass = UnitClass("player")
playerClass = playerClass or ""
NanamiPlates.playerClass = playerClass

NanamiPlates.castDB = {}
NanamiPlates.castTracker = {}
NanamiPlates.debuffTracker = {}
NanamiPlates.recentMeleeCrits = {}
NanamiPlates.recentMeleeHits = {}
NanamiPlates.playerClassCache = {}
NanamiPlates.playerRole = "DPS"

local function Print(msg)
    if DEFAULT_CHAT_FRAME then
        DEFAULT_CHAT_FRAME:AddMessage("|cffff88cc[Nanami-Plates]|r " .. tostring(msg))
    end
end
NanamiPlates.Print = Print

local function HookScript(frame, script, func)
    local prev = frame:GetScript(script)
    frame:SetScript(script, function(a1, a2, a3, a4, a5, a6, a7, a8, a9)
        if prev then prev(a1, a2, a3, a4, a5, a6, a7, a8, a9) end
        func(a1, a2, a3, a4, a5, a6, a7, a8, a9)
    end)
end
NanamiPlates.HookScript = HookScript

local function DisableShaguTweaksNameplates()
    if ShaguTweaks and ShaguTweaks.libnameplate then
        ShaguTweaks.libnameplate:SetScript("OnUpdate", nil)
        ShaguTweaks.libnameplate.OnInit = {}
        ShaguTweaks.libnameplate.OnShow = {}
        ShaguTweaks.libnameplate.OnUpdate = {}
        ShaguTweaks.libnameplate.disabled_by_nanamiplates = true
        return true
    end
    return false
end

local function DisablePfUINameplates()
    if pfUI then
        if pfUI.modules then pfUI.modules["nameplates"] = nil end
        if pfNameplates then
            pfNameplates:Hide()
            pfNameplates:UnregisterAllEvents()
        end
        if pfUI.nameplates then pfUI.nameplates = nil end
        return true
    end
    return false
end

DisableShaguTweaksNameplates()
DisablePfUINameplates()

local function GetPlayerClassByName(name)
    if not name then return nil end
    local cache = NanamiPlates.playerClassCache
    if cache[name] then return cache[name] end

    local playerName = UnitName("player")
    if name == playerName then
        cache[name] = playerClass
        return playerClass
    end

    local numRaid = GetNumRaidMembers()
    if numRaid > 0 then
        for i = 1, numRaid do
            local raidName, _, _, _, _, raidClass = GetRaidRosterInfo(i)
            if raidName == name then
                cache[name] = raidClass
                return raidClass
            end
        end
    else
        local numParty = GetNumPartyMembers()
        for i = 1, numParty do
            local partyUnit = "party" .. i
            if UnitExists(partyUnit) then
                local partyName = UnitName(partyUnit)
                if partyName == name then
                    local _, partyClass = UnitClass(partyUnit)
                    cache[name] = partyClass
                    return partyClass
                end
            end
        end
    end
    return nil
end
NanamiPlates.GetPlayerClassByName = GetPlayerClassByName

local NP_EventFrame = CreateFrame("Frame", "NanamiPlatesFrame", UIParent)

NP_EventFrame:RegisterEvent("PLAYER_ENTERING_WORLD")
NP_EventFrame:RegisterEvent("ADDON_LOADED")
NP_EventFrame:RegisterEvent("PLAYER_TARGET_CHANGED")
NP_EventFrame:RegisterEvent("UNIT_AURA")
NP_EventFrame:RegisterEvent("PARTY_MEMBERS_CHANGED")
NP_EventFrame:RegisterEvent("RAID_ROSTER_UPDATE")
NP_EventFrame:RegisterEvent("PLAYER_LEVEL_UP")
NP_EventFrame:RegisterEvent("PLAYER_REGEN_DISABLED")
NP_EventFrame:RegisterEvent("PLAYER_REGEN_ENABLED")
NP_EventFrame:RegisterEvent("UNIT_CASTEVENT")
NP_EventFrame:RegisterEvent("SPELLCAST_STOP")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_FAILED_LOCALPLAYER")
NP_EventFrame:RegisterEvent("CHARACTER_POINTS_CHANGED")
NP_EventFrame:RegisterEvent("QUEST_LOG_UPDATE")

NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_HOSTILEPLAYER_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_CREATURE_VS_CREATURE_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_CREATURE_VS_PARTY_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_CREATURE_VS_SELF_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_HOSTILEPLAYER_BUFF")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_CREATURE_VS_CREATURE_BUFF")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_SELF_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_TRADESKILLS")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_PERIODIC_CREATURE_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_PERIODIC_HOSTILEPLAYER_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_PERIODIC_SELF_DAMAGE")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_AURA_GONE_OTHER")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_AURA_GONE_SELF")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_CREATURE_VS_PARTY_BUFF")
NP_EventFrame:RegisterEvent("CHAT_MSG_SPELL_CREATURE_VS_SELF_BUFF")

NP_EventFrame:RegisterEvent("CHAT_MSG_COMBAT_SELF_HITS")
NP_EventFrame:RegisterEvent("CHAT_MSG_COMBAT_PARTY_HITS")
NP_EventFrame:RegisterEvent("CHAT_MSG_COMBAT_FRIENDLYPLAYER_HITS")
NP_EventFrame:RegisterEvent("CHAT_MSG_COMBAT_CREATURE_VS_CREATURE_HITS")
NP_EventFrame:RegisterEvent("CHAT_MSG_COMBAT_SELF_RANGED_HITS")
NP_EventFrame:RegisterEvent("CHAT_MSG_COMBAT_PARTY_RANGED_HITS")

NanamiPlates.EventFrame = NP_EventFrame

NanamiPlates.SPELL_EVENTS = {
    ["CHAT_MSG_SPELL_HOSTILEPLAYER_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_CREATURE_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_PARTY_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_SELF_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_HOSTILEPLAYER_BUFF"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_CREATURE_BUFF"] = true,
    ["CHAT_MSG_SPELL_SELF_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_TRADESKILLS"] = true,
    ["CHAT_MSG_SPELL_PERIODIC_CREATURE_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_PERIODIC_HOSTILEPLAYER_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_PERIODIC_SELF_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_AURA_GONE_OTHER"] = true,
    ["CHAT_MSG_SPELL_AURA_GONE_SELF"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_PARTY_BUFF"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_SELF_BUFF"] = true,
    ["CHAT_MSG_SPELL_FAILED_LOCALPLAYER"] = true,
}

NanamiPlates.SPELL_DAMAGE_EVENTS = {
    ["CHAT_MSG_SPELL_HOSTILEPLAYER_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_CREATURE_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_PARTY_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_CREATURE_VS_SELF_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_SELF_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_PERIODIC_CREATURE_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_PERIODIC_HOSTILEPLAYER_DAMAGE"] = true,
    ["CHAT_MSG_SPELL_PERIODIC_SELF_DAMAGE"] = true,
}

NanamiPlates.COMBAT_EVENTS = {
    ["CHAT_MSG_COMBAT_SELF_HITS"] = true,
    ["CHAT_MSG_COMBAT_PARTY_HITS"] = true,
    ["CHAT_MSG_COMBAT_FRIENDLYPLAYER_HITS"] = true,
    ["CHAT_MSG_COMBAT_CREATURE_VS_CREATURE_HITS"] = true,
    ["CHAT_MSG_COMBAT_SELF_RANGED_HITS"] = true,
    ["CHAT_MSG_COMBAT_PARTY_RANGED_HITS"] = true,
}

NanamiPlates.STUN_EFFECTS = {
    "Cheap Shot", "Kidney Shot", "Bash", "Hammer of Justice",
    "Charge Stun", "Intercept Stun", "Concussion Blow",
    "Gouge", "Sap", "Pounce"
}

NanamiPlates.REMOVE_PENDING_PATTERNS = {
    SPELLIMMUNESELFOTHER or "%s is immune to your %s.",
    IMMUNEDAMAGECLASSSELFOTHER or "%s is immune to your %s damage.",
    SPELLMISSSELFOTHER or "Your %s missed %s.",
    SPELLRESISTSELFOTHER or "Your %s was resisted by %s.",
    SPELLEVADEDSELFOTHER or "Your %s was evaded by %s.",
    SPELLDODGEDSELFOTHER or "Your %s was dodged by %s.",
    SPELLDEFLECTEDSELFOTHER or "Your %s was deflected by %s.",
    SPELLREFLECTSELFOTHER or "Your %s was reflected back by %s.",
    SPELLPARRIEDSELFOTHER or "Your %s was parried by %s.",
    SPELLLOGABSORBSELFOTHER or "Your %s is absorbed by %s.",
}

NanamiPlates.TANK_CLASSES = {
    ["Warrior"] = true,
    ["Paladin"] = true,
    ["Druid"] = true,
    ["Shaman"] = true,
}

if DEFAULT_CHAT_FRAME then
    DEFAULT_CHAT_FRAME:AddMessage("|cffff88cc[Nanami-Plates]|r Loading...")
end