--[[
    CritTracker - Core Engine (WoW Forever Edition)
    Optimiert für Interface 16001 / UNIT_COMBAT Engine
]]

local addonName, addonTable = ...

local CritTracker = CreateFrame("Frame", "CritTrackerFrame")
addonTable.CritTracker = CritTracker
_G["CritTracker"] = CritTracker

-- Timing & State
CritTracker.lastOutputTime = 0

-- Standardeinstellungen
local defaultSettings = {
    enabled = true,
    enableChat = true,
    enableSound = true,
    enableLowCrit = true,
    lowThreshold = 30,         -- 30% des Rekords
    cooldown = 5,              -- Cooldown in Sekunden
    damageSound = "crit1",     -- crit1, crit2, crit3, crit4, none
    healSound = "heal1",       -- heal1, heal2, heal3, heal4, none
    lowSound = "low",          -- low, none
    soundChannel = "Master",   -- Master, Dialog, SFX
    language = "auto",         -- "auto", "German", "English"
    announceMode = "all",      -- "all" oder "records_only"
}

-- Schadensschulen-Übersetzung für UNIT_COMBAT
local SCHOOL_NAMES = {
    [0]   = { deDE = "Physisch", enUS = "Physical" },
    [1]   = { deDE = "Physisch", enUS = "Physical" },
    [2]   = { deDE = "Heilig",   enUS = "Holy" },
    [4]   = { deDE = "Feuer",    enUS = "Fire" },
    [8]   = { deDE = "Natur",    enUS = "Nature" },
    [16]  = { deDE = "Frost",    enUS = "Frost" },
    [32]  = { deDE = "Schatten", enUS = "Shadow" },
    [64]  = { deDE = "Arkan",    enUS = "Arcane" },
}

-- Schutz vor Forever Secret Values
local function IsPublic(val)
    if type(val) == "nil" then return false end
    if type(issecretvalue) == "function" then
        local ok, secret = pcall(issecretvalue, val)
        if ok and secret == true then return false end
    end
    return true
end

-- Lokalisierungs-Proxy
CritTracker.L = setmetatable({}, {
    __index = function(_, key)
        local lang = CritTracker:GetActiveLanguage()
        local locKey = (lang == "German") and "deDE" or "enUS"
        local locTable = (addonTable.Locales and addonTable.Locales[locKey]) or (addonTable.Locales and addonTable.Locales["enUS"])
        if locTable and locTable[key] then
            return locTable[key]
        end
        if addonTable.Locales and addonTable.Locales["enUS"] and addonTable.Locales["enUS"][key] then
            return addonTable.Locales["enUS"][key]
        end
        return key
    end
})

function CritTracker:GetActiveLanguage()
    local setting = (self.db and self.db.language) or "auto"
    if setting == "German" then
        return "German"
    elseif setting == "English" then
        return "English"
    else
        local locale = GetLocale()
        return (locale == "deDE") and "German" or "English"
    end
end

function CritTracker:GetSoundFilePath(soundKey)
    local lang = self:GetActiveLanguage()
    return "Interface\\AddOns\\CritTracker\\sounds\\" .. lang .. "\\" .. soundKey .. ".mp3"
end

function CritTracker:PlaySound(soundKey)
    if not self.db or not self.db.enableSound or not soundKey or soundKey == "none" then
        return
    end
    local path = self:GetSoundFilePath(soundKey)
    local channel = self.db.soundChannel or "Master"
    PlaySoundFile(path, channel)
end

function CritTracker:Print(msg)
    if not msg then return end
    if DEFAULT_CHAT_FRAME then
        DEFAULT_CHAT_FRAME:AddMessage(msg)
    else
        print(msg)
    end
end

function CritTracker:FormatNumber(n)
    if not n then return "0" end
    if BreakUpLargeNumbers then
        return BreakUpLargeNumbers(n)
    end
    local left, num, right = string.match(tostring(n), '^([^%d]*%d)(%d*)(.-)$')
    if not left then return tostring(n) end
    return left .. (num:reverse():gsub('(%d%d%d)', '%1.'):reverse()) .. right
end

function CritTracker:GetCharKey()
    local name = UnitName("player") or "Unknown"
    local realm = GetRealmName() or "UnknownRealm"
    return name .. " - " .. realm
end

function CritTracker:GetCharData()
    if not CritTrackerDB then CritTrackerDB = {} end
    if not CritTrackerDB.chars then CritTrackerDB.chars = {} end
    local key = self:GetCharKey()
    if not CritTrackerDB.chars[key] then
        CritTrackerDB.chars[key] = {
            level = UnitLevel("player") or 1,
            maxDamage = 0,
            maxDamageSpell = "",
            maxHeal = 0,
            maxHealSpell = "",
        }
    end
    return CritTrackerDB.chars[key]
end

function CritTracker:ResetRecords()
    local charData = self:GetCharData()
    charData.maxDamage = 0
    charData.maxDamageSpell = ""
    charData.maxHeal = 0
    charData.maxHealSpell = ""
    charData.level = UnitLevel("player") or 1

    local charName = UnitName("player") or "Player"
    self:Print(string.format(self.L["RESET_SUCCESS"], charName))

    if self.UpdateOptionsDisplay then
        self:UpdateOptionsDisplay()
    end
end

function CritTracker:OnLevelUp(newLevel)
    local charData = self:GetCharData()
    charData.maxDamage = 0
    charData.maxDamageSpell = ""
    charData.maxHeal = 0
    charData.maxHealSpell = ""
    charData.level = newLevel or UnitLevel("player")

    self:Print(string.format(self.L["LEVEL_UP_RESET"], charData.level))

    if self.UpdateOptionsDisplay then
        self:UpdateOptionsDisplay()
    end
end

function CritTracker:OnInitialize()
    if not CritTrackerDB then CritTrackerDB = {} end
    if not CritTrackerDB.settings then CritTrackerDB.settings = {} end
    for k, v in pairs(defaultSettings) do
        if CritTrackerDB.settings[k] == nil then
            CritTrackerDB.settings[k] = v
        end
    end
    self.db = CritTrackerDB.settings

    local charData = self:GetCharData()
    local curLevel = UnitLevel("player")
    if charData.level and charData.level > 0 and curLevel > charData.level then
        self:OnLevelUp(curLevel)
    else
        charData.level = curLevel
    end

    if self.InitConfig then
        self:InitConfig()
    end
end

function CritTracker:ProcessCrit(isHeal, spellOrSchool, amount, destName)
    if not self.db or not self.db.enabled or not amount or amount <= 0 then
        return
    end

    local charData = self:GetCharData()
    local currentRecord = isHeal and charData.maxHeal or charData.maxDamage
    local isNewRecord = (amount > currentRecord)
    local isLowCrit = false

    local thresholdPercent = self.db.lowThreshold or 30
    local thresholdValue = math.floor(currentRecord * (thresholdPercent / 100))

    if self.db.enableLowCrit and currentRecord > 0 and not isNewRecord and amount <= thresholdValue then
        isLowCrit = true
    end

    if isNewRecord then
        if isHeal then
            charData.maxHeal = amount
            charData.maxHealSpell = spellOrSchool or ""
        else
            charData.maxDamage = amount
            charData.maxDamageSpell = spellOrSchool or ""
        end

        if self.UpdateOptionsDisplay then
            self:UpdateOptionsDisplay()
        end
    end

    local now = GetTime()
    local cooldown = self.db.cooldown or 5
    if (now - self.lastOutputTime) < cooldown then
        return
    end

    local soundKey = nil
    local chatMsg = nil
    local destStr = (destName and destName ~= "") and string.format(self.L["TARGET_ON"], destName) or ""
    local spellStr = (spellOrSchool and spellOrSchool ~= "") and spellOrSchool or (isHeal and "Heilung" or "Treffer")
    local amountStr = self:FormatNumber(amount)
    local recordStr = self:FormatNumber(currentRecord)

    if isLowCrit then
        soundKey = self.db.lowSound or "low"
        local formatStr = isHeal and self.L["LOW_CRIT_HEAL"] or self.L["LOW_CRIT_DAMAGE"]
        chatMsg = string.format(formatStr, destStr, spellStr, amountStr, thresholdPercent, recordStr)
    elseif isNewRecord then
        soundKey = isHeal and (self.db.healSound or "heal1") or (self.db.damageSound or "crit1")
        local formatStr = isHeal and self.L["NEW_RECORD_HEAL"] or self.L["NEW_RECORD_DAMAGE"]
        chatMsg = string.format(formatStr, destStr, spellStr, amountStr)
    else
        if self.db.announceMode == "all" then
            soundKey = isHeal and (self.db.healSound or "heal1") or (self.db.damageSound or "crit1")
            local formatStr = isHeal and self.L["NORMAL_CRIT_HEAL"] or self.L["NORMAL_CRIT_DAMAGE"]
            chatMsg = string.format(formatStr, destStr, spellStr, amountStr)
        end
    end

    if soundKey or chatMsg then
        self.lastOutputTime = now

        if self.db.enableSound and soundKey and soundKey ~= "none" then
            self:PlaySound(soundKey)
        end

        if self.db.enableChat and chatMsg then
            self:Print(chatMsg)
        end
    end
end

-- UNIT_COMBAT Parser
function CritTracker:OnUnitCombat(unit, action, modifier, amount, school)
    if not IsPublic(unit) or not IsPublic(action) or not IsPublic(modifier) or not IsPublic(amount) then
        return
    end

    if modifier ~= "CRITICAL" or type(amount) ~= "number" or amount <= 0 then
        return
    end

    local isDamage = false
    local isHeal = false

    -- Schaden: Nur 'target' werten (verhindert Alias-Triplets durch nameplate1/softenemy)
    if action == "WOUND" and unit == "target" then
        isDamage = true

    -- Heilung: 'target' oder 'player'
    elseif action == "HEAL" then
        if unit == "target" then
            isHeal = true
        elseif unit == "player" then
            -- Verhindert doppelte Auslösung bei Ziel auf sich selbst
            if not UnitIsUnit("player", "target") then
                isHeal = true
            end
        end
    end

    if not isDamage and not isHeal then return end

    local targetName = UnitName(unit) or (isDamage and "Ziel" or "Spieler")

    -- Schadensart / Schule auflösen
    local langKey = (self:GetActiveLanguage() == "German") and "deDE" or "enUS"
    local schoolName = (school and SCHOOL_NAMES[school] and SCHOOL_NAMES[school][langKey])
                       or (isHeal and (langKey == "deDE" and "Heilung" or "Heal") or (langKey == "deDE" and "Angriff" or "Attack"))

    self:ProcessCrit(isHeal, schoolName, amount, targetName)
end

-- Event Registrierung
CritTracker:RegisterEvent("ADDON_LOADED")
CritTracker:RegisterEvent("PLAYER_LOGIN")
CritTracker:RegisterEvent("PLAYER_LEVEL_UP")
CritTracker:RegisterEvent("UNIT_COMBAT")

CritTracker:SetScript("OnEvent", function(self, event, ...)
    if event == "UNIT_COMBAT" then
        self:OnUnitCombat(...)
    elseif event == "PLAYER_LEVEL_UP" then
        local newLevel = ...
        self:OnLevelUp(newLevel)
    elseif event == "ADDON_LOADED" then
        local name = ...
        if name == addonName then
            self:OnInitialize()
        end
    elseif event == "PLAYER_LOGIN" then
        local charData = self:GetCharData()
        local curLevel = UnitLevel("player")
        if charData.level and charData.level > 0 and curLevel > charData.level then
            self:OnLevelUp(curLevel)
        else
            charData.level = curLevel
        end
    end
end)

-- Slash Commands (/ctr & /crittracker)
SLASH_CRITTRACKER1 = "/crittracker"
SLASH_CRITTRACKER2 = "/ctr"
SlashCmdList["CRITTRACKER"] = function(msg)
    local cmd, arg = string.match((msg or ""):lower():trim(), "^(%S*)%s*(.-)$")
    
    if cmd == "" or cmd == "config" or cmd == "options" or cmd == "menu" then
        if CritTracker.OpenOptions then
            CritTracker:OpenOptions()
        end
    elseif cmd == "reset" then
        CritTracker:ResetRecords()
    elseif cmd == "stats" then
        local charData = CritTracker:GetCharData()
        local dmgStr = CritTracker:FormatNumber(charData.maxDamage)
        local healStr = CritTracker:FormatNumber(charData.maxHeal)
        local dmgSpell = (charData.maxDamageSpell ~= "") and charData.maxDamageSpell or CritTracker.L["OPT_STATS_NONE"]
        local healSpell = (charData.maxHealSpell ~= "") and charData.maxHealSpell or CritTracker.L["OPT_STATS_NONE"]
        local name = UnitName("player") or "Player"
        CritTracker:Print(string.format(CritTracker.L["CURRENT_STATS"], name, charData.level or 1, dmgStr, dmgSpell, healStr, healSpell))
    elseif cmd == "test" then
        if arg == "heal" then
            CritTracker:PlaySound(CritTracker.db.healSound or "heal1")
            CritTracker:Print(string.format(CritTracker.L["NORMAL_CRIT_HEAL"], "", "Heilig", CritTracker:FormatNumber(50000)))
        elseif arg == "low" then
            CritTracker:PlaySound("low")
            CritTracker:Print(string.format(CritTracker.L["LOW_CRIT_DAMAGE"], "", "Physisch", CritTracker:FormatNumber(150), CritTracker.db.lowThreshold, CritTracker:FormatNumber(1000)))
        else
            CritTracker:PlaySound(CritTracker.db.damageSound or "crit1")
            CritTracker:Print(string.format(CritTracker.L["NORMAL_CRIT_DAMAGE"], "", "Feuer", CritTracker:FormatNumber(125000)))
        end
    else
        CritTracker:Print(CritTracker.L["SLASH_HELP_HEADER"])
        CritTracker:Print(CritTracker.L["SLASH_HELP_CONFIG"])
        CritTracker:Print(CritTracker.L["SLASH_HELP_STATS"])
        CritTracker:Print(CritTracker.L["SLASH_HELP_RESET"])
        CritTracker:Print(CritTracker.L["SLASH_HELP_TEST"])
    end
end