---@type Tinkr
local Tinkr = ...

---@class Bastion
local Bastion = {
    DebugMode = false,
}

local TinkrScriptsBase = "scripts"
local BastionBase = string.format("%s/%s", TinkrScriptsBase, "bastion")
local BastionScriptsBase = string.format("%s/%s", BastionBase, "scripts")
local ThirdPartyModulesBase = string.format("%s/%s", TinkrScriptsBase, "BastionScripts")

Bastion.__index = Bastion

---@class Bastion.LoadedFiles.Table
---@field [number] { originalPath: string, loadedPath: string, reloadable: boolean, order: number, newPath: string }
Bastion.LoadedFiles = {}

---@param filePath string
function Bastion:CheckIfLoaded(filePath)
    for i, file in ipairs(Bastion.LoadedFiles) do
        if file.loadedPath == filePath or file.originalPath == filePath or file.newPath == filePath then
            return true
        end
    end
    return false
end

---@param path string
---@param extension string
---@return string
local function AppendExtension(path, extension)
    return string.format("%s.%s", path, extension)
end

---@param path string
---@param extensions string|string[]
local function CheckFileExtensions(path, extensions)
    local exts = {}
    if type(extensions) == "string" then
        exts = { extensions }
    else
        exts = extensions
    end

    for i, extension in ipairs(exts) do
        local newPath = path
        if newPath:sub(extension:len() * -1) ~= extension then
            newPath = AppendExtension(newPath, extension)
        end
        if FileExists(newPath) then
            return newPath:sub(1, (extension:len() + 2) * -1), true
        end
    end
    return path, false
end

--- 0 = Failed, 1 = Success, 2 = Already Loaded
---@param filePath string | { filePath: string, reloadable: boolean }
---@param ... any
---@return 0|1|2, ...
function Bastion:Require(filePath, ...)
    local loadedFile = {
        originalPath = type(filePath) == "table" and filePath.filePath or tostring(filePath),
        newPath = type(filePath) == "table" and filePath.filePath or tostring(filePath),
        loadedPath = type(filePath) == "table" and filePath.filePath or tostring(filePath),
        reloadable = type(filePath) == "table" and filePath.reloadable or false,
        order = #Bastion.LoadedFiles + 1,
    }

    local filePathModifier = loadedFile.originalPath:sub(1, 1)

    if filePathModifier == "@" then
        -- If require starts with an @ then we require from the scripts/bastion/scripts folder
        loadedFile.newPath = string.format("%s%s", BastionScriptsBase, loadedFile.originalPath:sub(2))
        loadedFile.loadedPath = loadedFile.newPath
    elseif filePathModifier == "~" then
        -- If file path starts with a ~ then we require from the scripts/bastion folder
        loadedFile.newPath = string.format("%s%s", BastionBase, loadedFile.originalPath:sub(2))
        loadedFile.loadedPath = loadedFile.newPath
    end

    loadedFile.loadedPath = loadedFile.newPath

    local found = false
    -- Check if file path has a .lua or .luac extension. If not, try to add one and check if the file exists
    loadedFile.loadedPath, found = CheckFileExtensions(loadedFile.newPath, { "lua", "luac" })

    if not found then
        Log(string.format("Bastion:Require - Not Found: %s (%s)", loadedFile.newPath, loadedFile.originalPath))
        return 0, SafePack(nil)
    end

    if not loadedFile.reloadable then
        if Bastion:CheckIfLoaded(loadedFile.loadedPath) then
            --Log(string.format("Bastion:Require - Already loaded: %s (%s)", loadedFile.newPath, loadedFile.originalPath))
            return 2, SafePack(nil)
        end
    end

    table.insert(Bastion.LoadedFiles, loadedFile)
    return 1, SafePack(require(loadedFile.loadedPath, Bastion, ...))
end

local loadExamples = false
local exampleNames = {
    "ExampleDependency.lua",
    "ExampleDependencyError.lua",
    "ExampleLibrary.lua",
    "ExampleModule.lua",
}

local function Load(dir)
    local dir = dir

    if dir:sub(1, 1) == "@" then
        dir = dir:sub(2)
        dir = string.format("%s/%s", BastionScriptsBase, dir)
    end

    if dir:sub(1, 1) == "~" then
        dir = dir:sub(2)
        dir = string.format("%s/%s", BastionBase, dir)
    end

    local files = ListFiles(dir)
    for i = 1, #files do
        local file = files[i]
        local loadFile = true
        if not loadExamples then
            for j = 1, #exampleNames do
                if file:find(exampleNames[j]) then
                    loadFile = false
                    break
                end
            end
        end
        if loadFile and (file:sub(-4) == ".lua" or file:sub(-5) == ".luac") then
            Bastion:Require(dir .. file:sub(1, -5))
        end
    end
end

local function LoadThird()
    local thirdPartyModulesFolders = ListFolders(ThirdPartyModulesBase)
    for i = 1, #thirdPartyModulesFolders do
        local currentFolderDir = string.format("%s/%s", ThirdPartyModulesBase, thirdPartyModulesFolders[i])
        local loaderFilePath = string.format("%s/%s", currentFolderDir, "loader")
        if FileExists(loaderFilePath .. ".lua") or FileExists(loaderFilePath .. ".luac") then
            Bastion:Require(loaderFilePath, currentFolderDir)
        end
    end
end

---@generic V : string
---@param class `V`
---@return V ...
function Bastion.require(class)
    ---@cast class string
    local newClass = class:gsub("Bastion%.", "")
    -- return require("scripts/bastion/src/" .. class .. "/" .. class, Bastion)
    local success, result = Bastion:Require("~/src/" .. newClass .. "/" .. newClass)
    if success == 0 then
        Log("Bastion.require - Failed to load " .. class .. ": " .. result)
    end
    return SafeUnpack(result)
end

Bastion.Globals = {}

Bastion.ClassMagic = Bastion.require("Bastion.ClassMagic")
Bastion.List = Bastion.require("Bastion.List")
Bastion.Library = Bastion.require("Bastion.Library")
Bastion.Notification = Bastion.require("Bastion.Notification")
Bastion.NotificationList = Bastion.require("Bastion.NotificationList")
Bastion.Vector3 = Bastion.require("Bastion.Vector3")
Bastion.Sequencer = Bastion.require("Bastion.Sequencer")
Bastion.Command = Bastion.require("Bastion.Command")
Bastion.Cache = Bastion.require("Bastion.Cache")
Bastion.Cacheable = Bastion.require("Bastion.Cacheable")
Bastion.Refreshable = Bastion.require("Bastion.Refreshable")
Bastion.Unit = Bastion.require("Bastion.Unit")
Bastion.Aura = Bastion.require("Bastion.Aura")
Bastion.APLTrait = Bastion.require("Bastion.APLTrait")
Bastion.APLActor = Bastion.require("Bastion.APLActor")
Bastion.APL = Bastion.require("Bastion.APL")
Bastion.Module = Bastion.require("Bastion.Module")
Bastion.UnitManager = Bastion.require("Bastion.UnitManager"):New()
Bastion.ObjectManager = Bastion.require("Bastion.ObjectManager"):New()
Bastion.EventManager = Bastion.require("Bastion.EventManager")
Bastion.Globals.EventManager = Bastion.EventManager:New()
Bastion.Spell = Bastion.require("Bastion.Spell")
Bastion.SpellBook = Bastion.require("Bastion.SpellBook")
Bastion.Globals.SpellBook = Bastion.SpellBook:New()
Bastion.Item = Bastion.require("Bastion.Item")
Bastion.ItemBook = Bastion.require("Bastion.ItemBook")
Bastion.Globals.ItemBook = Bastion.ItemBook:New()
Bastion.AuraTable = Bastion.require("Bastion.AuraTable")
Bastion.Class = Bastion.require("Bastion.Class")
Bastion.Timer = Bastion.require("Bastion.Timer")
Bastion.CombatTimer = Bastion.Timer:New("combat")
Bastion.MythicPlusUtils = Bastion.require("Bastion.MythicPlusUtils"):New()
Bastion.Notifications = Bastion.NotificationList:New()
Bastion.Config = Bastion.require("Bastion.Config")
Bastion.TimeToDie = Bastion.require("Bastion.TimeToDie")


---@enum (key) CompareThisTable
local compareThisTable = {
    [">"] = function(A, B) return A > B end,
    ["<"] = function(A, B) return A < B end,
    [">="] = function(A, B) return A >= B end,
    ["<="] = function(A, B) return A <= B end,
    ["=="] = function(A, B) return A == B end,
    ["min"] = function(A, B) return A < B end,
    ["max"] = function(A, B) return A > B end,
}

Bastion.Utils = {
    ---@generic A
    ---@param operator CompareThisTable
    ---@param a A
    ---@param b A
    CompareThis = function(operator, a, b)
        return compareThisTable[operator](a, b)
    end
}

local LIBRARIES = {}
---@type Bastion.Module[]
local MODULES = {}

Bastion.Enabled = false

Bastion.Globals.EventManager:RegisterWoWEvent("UNIT_AURA", function(unit, auras)
    ---@type Bastion.Unit | nil
    local u = Bastion.UnitManager:Get(unit)

    if u then
        u:GetAuras():OnUpdate(auras)
    end
end)

Bastion.Globals.EventManager:RegisterWoWEvent("UNIT_SPELLCAST_SUCCEEDED", function(...)
    local unit, castGUID, spellID = ...
    local spell = Bastion.Globals.SpellBook:GetIfRegistered(spellID)

    if unit == "player" and spell then
        spell.lastCastAt = GetTime()

        if spell:GetPostCastFunction() then
            spell:GetPostCastFunction()(spell)
        end
    end
end)

local pguid = UnitGUID("player")
local missed = {}

---@class Bastion.Globals.SpellName : { [spellId]: string }
Bastion.Globals.SpellName = {}

Bastion.Globals.EventManager:RegisterWoWEvent("COMBAT_LOG_EVENT_UNFILTERED", function()
    local args = { CombatLogGetCurrentEventInfo() }

    ---@type string
    local subEvent = args[2]
    ---@type string
    local sourceGUID = args[4]
    ---@type string
    local destGUID = args[8]
    ---@type number
    local spellID = args[12]
    ---@type string
    local spellName = args[13]

    if subEvent:find("SPELL") == 1 or subEvent:find("RANGE") == 1 then
        if (not Bastion.Globals.SpellName[spellID] or Bastion.Globals.SpellName[spellID] ~= spellName) then
            Bastion.Globals.SpellName[spellID] = spellName
        end
    end


    -- if sourceGUID == pguid then
    --     local args = { CombatLogGetCurrentEventInfo() }

    --     for i = 1, #args do
    --         Log(tostring(args[i]))
    --     end
    -- end
    --Bastion.UnitManager:SetCombatTime(sourceGUID)
    --Bastion.UnitManager:SetCombatTime(destGUID)

    local u = Bastion.UnitManager[sourceGUID]
    local u2 = Bastion.UnitManager[destGUID]

    local t = GetTime()

    if u then
        u:SetLastCombatTime(t)
    end

    if u2 then
        u2:SetLastCombatTime(t)
        if subEvent == "SPELL_MISSED" and sourceGUID == pguid and spellID == 408 then
            local missType = args[15]

            if missType == "IMMUNE" then
                local castingSpell = u:GetCastingOrChannelingSpell()

                if castingSpell then
                    if not missed[castingSpell:GetID()] then
                        missed[castingSpell:GetID()] = true
                    end
                end
            end
        end
    end
end)
local Timer = {
    TTD = 0
}
Bastion.Ticker = C_Timer.NewTicker(0.1, function()
    if not Bastion.CombatTimer:IsRunning() and UnitAffectingCombat("player") then
        Bastion.CombatTimer:Start()
    elseif Bastion.CombatTimer:IsRunning() and not UnitAffectingCombat("player") then
        Bastion.CombatTimer:Reset()
    end

    if Bastion.Enabled then
        Bastion.ObjectManager:Refresh()
        if GetTime() > Timer.TTD then
            Timer.TTD = GetTime() + Bastion.TimeToDie.Settings.Refresh
            Bastion.TimeToDie:Refresh()
        end
        for i = 1, #MODULES do
            MODULES[i]:Tick()
        end
    end
end)

function Bastion:Register(module)
    table.insert(MODULES, module)
    Bastion:Print("Registered", module)
end

-- Find a module by name
function Bastion:FindModule(name)
    for i = 1, #MODULES do
        if MODULES[i].name == name then
            return MODULES[i]
        end
    end

    return nil
end

Bastion.PrintEnabled = false
function Bastion:Print(...)
    if not Bastion.PrintEnabled then
        return
    end
    local args = { ... }
    local str = "|cFFDF362D[Bastion]|r |cFFFFFFFF"
    for i = 1, #args do
        str = str .. tostring(args[i]) .. " "
    end
    print(str)
end

function Bastion:Debug(...)
    if not Bastion.DebugMode then
        return
    end
    local args = { ... }
    local str = "|cFFDF6520[Bastion]|r |cFFFFFFFF"
    for i = 1, #args do
        str = str .. tostring(args[i]) .. " "
    end
    print(str)
end

local Command = Bastion.Command:New("bastion")

Command:Register("toggle", "Toggle bastion on/off", function()
    Bastion.Enabled = not Bastion.Enabled
    if Bastion.Enabled then
        Bastion:Print("Enabled")
    else
        Bastion:Print("Disabled")
    end
end)

Command:Register("debug", "Toggle debug mode on/off", function()
    Bastion.DebugMode = not Bastion.DebugMode
    if Bastion.DebugMode then
        Bastion:Print("Debug mode enabled")
    else
        Bastion:Print("Debug mode disabled")
    end
end)

Command:Register("dumpspells", "Dump spells to a file", function()
    local i = 1
    local rand = math.random(100000, 999999)
    while true do
        local spellName, spellSubName = GetSpellBookItemName(i, BOOKTYPE_SPELL)
        if not spellName then
            do
                break
            end
        end

        -- use spellName and spellSubName here
        local spellID = select(7, GetSpellInfo(spellName))

        if spellID then
            spellName = spellName:gsub("[%W%s]", "")
            WriteFile("bastion-" .. UnitClass("player") .. "-" .. rand .. ".lua",
                "local " .. spellName .. " = Bastion.Globals.SpellBook:GetSpell(" .. spellID .. ")\n", true)
        end
        i = i + 1
    end
end)

Command:Register("module", "Toggle a module on/off", function(args)
    local module = Bastion:FindModule(args[2])
    if module then
        module:Toggle()
        if module.enabled then
            Bastion:Print("Enabled", module.name)
        else
            Bastion:Print("Disabled", module.name)
        end
    else
        Bastion:Print("Module not found")
    end
end)

Command:Register("mplus", "Toggle m+ module on/off", function(args)
    local cmd = args[2]
    if cmd == "debuffs" then
        Bastion.MythicPlusUtils:ToggleDebuffLogging()
        Bastion:Print("Debuff logging", Bastion.MythicPlusUtils.debuffLogging and "enabled" or "disabled")
        return
    end

    if cmd == "casts" then
        Bastion.MythicPlusUtils:ToggleCastLogging()
        Bastion:Print("Cast logging", Bastion.MythicPlusUtils.castLogging and "enabled" or "disabled")
        return
    end

    Bastion:Print("[MythicPlusUtils] Unknown command")
    Bastion:Print("Available commands:")
    Bastion:Print("debuffs")
    Bastion:Print("casts")
end)

Command:Register("missed", "Dump the list of immune kidney shot spells", function()
    for k, v in pairs(missed) do
        Bastion:Print(k)
    end
end)

---@param library Bastion.Library
function Bastion:RegisterLibrary(library)
    LIBRARIES[library.name] = library
end

function Bastion:CheckLibraryDependencies()
    for k, v in pairs(LIBRARIES) do
        if v.dependencies then
            for i = 1, #v.dependencies do
                local dep = v.dependencies[i]
                if LIBRARIES[dep] then
                    if LIBRARIES[dep].dependencies then
                        for j = 1, #LIBRARIES[dep].dependencies do
                            if LIBRARIES[dep].dependencies[j] == v.name then
                                Bastion:Print("Circular dependency detected between " .. v.name .. " and " .. dep)
                                return false
                            end
                        end
                    end
                else
                    Bastion:Print("Library " .. v.name .. " depends on " .. dep .. " but it's not registered")
                    return false
                end
            end
        end
    end

    return true
end

function Bastion:Import(library)
    local lib = self:GetLibrary(library)

    if not lib then
        error("Library " .. library .. " not found")
    end

    return lib:Resolve()
end

function Bastion:GetLibrary(name)
    if not LIBRARIES[name] then
        error("Library " .. name .. " not found")
    end

    local library = LIBRARIES[name]

    -- if library.dependencies then
    --     for i = 1, #library.dependencies do
    --         local dep = library.dependencies[i]
    --         if LIBRARIES[dep] then
    --             if LIBRARIES[dep].dependencies then
    --                 for j = 1, #LIBRARIES[dep].dependencies do
    --                     if LIBRARIES[dep].dependencies[j] == library.name then
    --                         Bastion:Print("Circular dependency detected between " .. library.name .. " and " .. dep)
    --                         return false
    --                     end
    --                 end
    --             end
    --         else
    --             Bastion:Print("Library " .. v.name .. " depends on " .. dep .. " but it's not registered")
    --             return false
    --         end
    --     end
    -- end

    return library
end

-- if not Bastion:CheckLibraryDependencies() then
--     return
-- end

Load("@Libraries/")
Load("@Modules/")
Load("@")
LoadThird()