---------------------
-- Your Name is Benny
---------------------

ITEMS = {}

local itemmeta = {}

function itemmeta:__tostring()
	return "ItemDef [" .. self.ClassName .. "]"
end

local ITEMHELPER = {
	Get = function( self, key )
		return self.key
	end,
	GetRaw = function( self, key )
		return rawget( self, key )
	end,
}

function itemmeta.__index( self, key )
	if ITEMHELPER[key] then return ITEMHELPER[key] end
	if rawget(self, "BaseClass") then
		return rawget(self, "BaseClass")[key]
	end
end

function AddItem( itemname, item )
	if item then
		ITEMS[itemname] = item
		item.ClassName = itemname
		item.BaseClass = ITEMS[item.Base]
		setmetatable( item, itemmeta )
	else
		return ITEMS[itemname]
	end
end

AddItem( "base", {
	PrintName = "Base Item",
	Description = "Beginning item base.",
	Category = "base",

	Vars = {
		["Float"] = {
			"Acquisition",
			"HolsterIn",
		},
	},
	HoldType = "slam",

	["Initialize"] = function( class, ent, handler )
		print( class, "Initialized base initialization" )
	end,

	["Deploy"] = function( class, ent, handler )
	end,

	["Holster"] = function( class, ent, handler )
	end,

	["Attack"] = function( class, ent, handler )
	end,

	["Think"] = function( class, ent, handler )
	end,

	["Reload"] = function( class, ent, handler )
	end,
})

local AnimationLookup = {
	["fire"] = {
		["handgun"] = "fire_handgun",
		["rifle"] = "fire_rifle",
	},
	["reload"] = {
		["handgun"] = "reload_handgun",
		["rifle"] = "reload_handgun",
	},
	["reload_rack"] = {
		["handgun"] = "reload_handgun_rack",
		["rifle"] = "reload_handgun_rack",
	},
	["reload_insert"] = {
		["handgun"] = "reload_handgun_insert",
		["rifle"] = "reload_handgun_insert",
	},
	["deploy"] = {
		["handgun"] = "deploy_handgun",
		["rifle"] = "deploy_handgun",
	},
	["holster"] = {
		["handgun"] = "holster_handgun",
		["rifle"] = "holster_handgun",
	},
}

SLIDE_FORWARD = 0 -- loaded
SLIDE_EMPTY = 1 -- empty
SLIDE_BACK = 2 -- back

AddItem( "base_firearm", {
	PrintName = "Base Firearm",
	Description = "Item base for firearms.",
	Category = "base",
	Base = "base",

	FirearmHelper = true,

	Vars = {
		["Bool"] = {
			"Loaded",
		},
		["Int"] = {
			"Clip",
			"BurstCount",
			"Firemode",
			"SlideState", -- 0 = forward and loaded, 1 = forward and empty, 2 = back and empty
		},
		["Float"] = {
			"Delay",
			"DelayBurst",
			"RefillTime",
			"Accuracy_Reset",
			"Accuracy_Amount",
			"DelayReload",
		},
	},
	HoldType = "rpg",

	Delay = 0.1,
	Pellets = 1,
	Accuracy = 1,
	ClipSize = 15,
	BurstCount = math.huge,
	BurstRunaway = false,
	BurstAuto = false,
	BurstDelay = 0,

	["Initialize"] = function( class, ent, handler )
		ITEMS["base"].Initialize( class, ent, handler )

		ent:SetClip( class.ClipSize )
		ent:SetLoaded(true)

		print( class, "Initialized a firearm" )
	end,

	["Think"] = function( class, ent, handler )
		local InProcess = ent:GetBurstCount() > 0
		local Topped = ent:GetBurstCount() == class.BurstCount
		local Runaway = class.BurstRunaway
		local BAuto = class.BurstAuto
		local Firedown = handler:GetOwner():KeyDown( IN_ATTACK )
		if Runaway and InProcess and !Topped then
			class["Attack"]( class, ent, handler )
		else
			if !Firedown then
				if !Topped and InProcess then
					ent:SetDelayBurst( CurTime() + class.BurstDelay )
				end
				ent:SetBurstCount( 0 )
			end
			if Topped and BAuto then
				ent:SetBurstCount( 0 )
				ent:SetDelayBurst( CurTime() + class.BurstDelay )
			end
		end
		if ent:GetRefillTime() != 0 and ent:GetRefillTime() <= CurTime() then
			ent:SetClip( class.ClipSize )
			ent:SetRefillTime( 0 )
		end
	end,

	["Attack"] = function( class, ent, handler )
		--if ent:GetClip() <= 0 then return end
		if ent:GetDelay() > CurTime() then return end
		if ent:GetDelayBurst() > CurTime() then return end
		if ent:GetBurstCount() >= class.BurstCount then return end
		if ent:GetSlideState() != SLIDE_FORWARD then handler:EmitSound( "benny/weapons/noammo.ogg", 70, 150, 0.4, CHAN_STATIC ) ent:SetDelay( CurTime() + 0.25 ) ent:SetBurstCount( 0 ) return end

		local Runaway = class.BurstRunaway
		local BAuto = class.BurstAuto
		ent:SetBurstCount( ent:GetBurstCount() + 1 )
		if ent:GetBurstCount() >= class.BurstCount then
			ent:SetDelayBurst( CurTime() + class.BurstDelay )
			if BAuto then
				ent:SetBurstCount( 0 )
			end
		end
		
		ent:SetSlideState( SLIDE_BACK )
		--if ent:GetClip() == 0 then
		if ent:GetClip() > 0 then
			ent:SetClip( ent:GetClip() - 1 )
			ent:SetSlideState( SLIDE_FORWARD )
		else
			handler:EmitSound( "benny/weapons/1911/slidedrop.ogg", 70, 100, 0.4, CHAN_STATIC )
			if !ent:GetLoaded() then
				ent:SetSlideState( SLIDE_EMPTY )
			end
		end

		ent:SetDelay( CurTime() + class.Delay )
		handler:EmitSound( istable(class.FireSound) and TSelShared(class.FireSound, "FireSound") or class.FireSound, 140, 100, 0.4, CHAN_STATIC )

		local acc = math.rad( class.Accuracy or 0 )
		local p = handler:GetOwner()
		handler:FireBullets( {
			Attacker = p,
			Damage = 1,
			Force = 1,
			Num = class.Pellets,
			Dir = p:GetAimVector(),
			Src = p:GetShootPos(),
			Spread = Vector( acc, acc, 0 ),
		} )

		local ply = handler:GetOwner()
		ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["fire"][class.HoldType] ), 0, true )
	end,

	["Reload"] = function( class, ent, handler )
		--if ent:GetClip() >= class.ClipSize then return end
		--handler:EmitSound( "weapons/m4a1/m4a1_boltpull.wav", 70, 125, 0.4, CHAN_STATIC )
		--ent:SetRefillTime( CurTime() + 0.1 )
		--handler:EmitSound( "benny/weapons/basic.ogg", 70, 100, 0.4, CHAN_STATIC )

		
		if ent:GetDelay() > CurTime() then return end
		ent:SetDelay( CurTime() + 0.5 )
		
		local ply = handler:GetOwner()

		if (ent:GetClip() > 0) and ent:GetSlideState() == SLIDE_BACK then
			handler:EmitSound( "benny/weapons/1911/slidedrop.ogg", 70, 100, 0.4, CHAN_STATIC )
			ent:SetSlideState( SLIDE_FORWARD )
			ent:SetClip( ent:GetClip() - 1 )
			ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["reload_rack"][class.HoldType] ), 0, true )
		elseif (ent:GetClip() > 0) and ent:GetSlideState() == SLIDE_EMPTY then
			handler:EmitSound( "benny/weapons/glock/cock.ogg", 70, 100, 0.4, CHAN_STATIC )
			ent:SetSlideState( SLIDE_FORWARD )
			ent:SetClip( ent:GetClip() - 1 )
			ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["reload_rack"][class.HoldType] ), 0, true )
		elseif ent:GetLoaded() then
			handler:EmitSound( "benny/weapons/1911/magout.ogg", 70, 100, 0.4, CHAN_STATIC )
			ent:SetLoaded( false )
			ent:SetClip( 0 )
			ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["reload"][class.HoldType] ), 0, true )
		else
			handler:EmitSound( "benny/weapons/1911/magin.ogg", 70, 100, 0.4, CHAN_STATIC )
			ent:SetLoaded( true )
			ent:SetRefillTime( CurTime() + 0.25 )
			ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["reload_insert"][class.HoldType] ), 0, true )
		end
	end,

	["Deploy"] = function( class, ent, handler )
		handler:EmitSound( "weapons/usp/usp_slideback.wav", 70, 125, 0.4, CHAN_STATIC )
		ent:SetDelay( CurTime() + 0.25 )

		local ply = handler:GetOwner()
		ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["deploy"][class.HoldType] ), 0, true )
	end,

	["Holster"] = function( class, ent, handler )
		handler:EmitSound( "weapons/m4a1/m4a1_deploy.wav", 70, 125, 0.4, CHAN_STATIC )
		ent:SetDelay( CurTime() + 0.25 )

		if ent:GetSlideState() == SLIDE_BACK then ent:SetSlideState( SLIDE_EMPTY ) end
		
		local ply = handler:GetOwner()
		ply:AddVCDSequenceToGestureSlot( GESTURE_SLOT_ATTACK_AND_RELOAD, ply:LookupSequence( AnimationLookup["holster"][class.HoldType] ), 0, true )
	end,
})

AddItem( "base_firearm_ubgl", {
	PrintName = "Base Firearm w/ UBGL",
	Description = "Item base for firearms that include grenade launchers.",
	Category = "base",
	Base = "base_firearm",
	
	Vars = {
		["Int"] = {
			"Clip2",
		},
		["Float"] = {
			"Delay2",
			"DelayBurst2",
			"RefillTime2",
			"Accuracy_Reset2",
			"Accuracy_Amount2",
		},
	},
	
	Delay2 = 0.25,
	ClipSize2 = 4,

	["Initialize"] = function( class, ent, handler )
		ITEMS["base_firearm"].Initialize( class, ent, handler )

		ent:SetClip2( class.ClipSize2 )
	end,

	["Attack"] = function( class, ent, handler )
		if ent:GetFiremode() == 1 then
			class:Attack2( ent, handler )
		else
			ITEMS["base_firearm"].Attack( class, ent, handler )
		end
	end,
	
	["Reload"] = function( class, ent, handler )
		if ent:GetFiremode() == 1 then
			class:Reload2( ent, handler )
		else
			ITEMS["base_firearm"].Reload( class, ent, handler )
		end
	end,
	
	["Alt"] = function( class, ent, handler )
		ent:SetFiremode( ent:GetFiremode() == 1 and 0 or 1 )
	end,
	
	["Think"] = function( class, ent, handler )
		ITEMS["base_firearm"].Think( class, ent, handler )

		if ent:GetRefillTime2() != 0 and ent:GetRefillTime2() <= CurTime() then
			ent:SetClip2( class.ClipSize2 )
			ent:SetRefillTime2( 0 )
		end
	end,

	["Reload2"] = function( class, ent, handler )
		if ent:GetClip2() >= class.ClipSize2 then return end
		if ent:GetDelay2() > CurTime() then return end
		handler:EmitSound( "weapons/m4a1/m4a1_boltpull.wav", 70, 125, 0.4, CHAN_STATIC )
		ent:SetDelay2( CurTime() + 0.25 )
		ent:SetRefillTime2( CurTime() + 0.1 )
	end,

	["Attack2"] = function( class, ent, handler )
		if ent:GetClip2() <= 0 then return end
		if ent:GetDelay2() > CurTime() then return end
		if ent:GetDelayBurst2() > CurTime() then return end
		if ent:GetBurstCount() >= class.BurstCount then return end

		ent:SetClip2( ent:GetClip2() - 1 )
		ent:SetDelay2( CurTime() + class.Delay2 )
		handler:EmitSound( "weapons/ar2/ar2_altfire.wav", 140, 100, 0.4, CHAN_STATIC )
	end,
})

AddItem( "mk23", {
	PrintName = "#Item.mk23.Name",
	Description = "#Item.mk23.Description",
	Category = "pistol",
	Base = "base_firearm",

	Model = "models/benny/weapons/testgun.mdl",
	HoldType = "handgun",

	ClipSize = 12,
	Delay = (60/350),
	FireSound = {
		"benny/weapons/usp/01.ogg",
		"benny/weapons/usp/02.ogg",
		"benny/weapons/usp/03.ogg",
	},

	Accuracy = 5/60,
	BurstCount = 1,
	Accuracy_Add = 0.5,
	Accuracy_Reset = 0.4,
	Accuracy_Decay = 5,
})

AddItem( "fnc", {
	PrintName = "#Item.fnc.Name",
	Description = "#Item.fnc.Description",
	Base = "base_firearm_ubgl",

	Model = "models/weapons/w_rif_ar556.mdl",
	HoldType = "rifle",

	ClipSize = 30,
	Delay = (60/750),
	FireSound = {
		"benny/weapons/m16a2/01.ogg",
		"benny/weapons/m16a2/02.ogg",
		"benny/weapons/m16a2/03.ogg",
	},

	Accuracy = 1,
	Accuracy_Add = 0.4,
	Accuracy_Reset = 0.4,
	Accuracy_Decay = 12,
})

AddItem( "m16a2", {
	PrintName = "#Item.m16a2.Name",
	Description = "#Item.m16a2.Description",
	Base = "base_firearm",

	Model = "models/weapons/w_rif_m16a2.mdl",
	HoldType = "rifle",

	ClipSize = 30,
	Delay = (60/900),
	BurstCount = 3,
	BurstRunaway = true,
	BurstAuto = true,
	BurstDelay = 0.2,
	FireSound = {
		"benny/weapons/m16a2/01.ogg",
		"benny/weapons/m16a2/02.ogg",
		"benny/weapons/m16a2/03.ogg",
	},

	Accuracy = 1,
	Accuracy_Add = 0.4,
	Accuracy_Reset = 0.4,
	Accuracy_Decay = 12,
})

AddItem( "spas12", {
	PrintName = "#Item.spas12.Name",
	Description = "#Item.spas12.Description",
	Base = "base_firearm",

	Model = "models/weapons/w_shotgun.mdl",
	HoldType = "rifle",

	ClipSize = 8,
	Pellets = 8,
	Delay = 0.4,
	BurstCount = 1,
	FireSound = {
		"benny/weapons/spas12/01.ogg",
		"benny/weapons/spas12/02.ogg",
		"benny/weapons/spas12/03.ogg",
	},

	Accuracy = 8,
	Accuracy_Add = 0.4,
	Accuracy_Reset = 0.4,
	Accuracy_Decay = 12,
})

for ID, Data in pairs(ITEMS) do
	local tent = {}
	tent.Base = "b-itembase"
	tent.PrintName = Data.PrintName or ID
	tent.ID = ID
	tent.Class = ITEMS[ID]
	tent.Spawnable = true
	tent.AdminOnly = false
	tent.Category = "Other"

	-- print("aei_" .. ID)
	scripted_ents.Register( tent, "b-item_" .. ID )
end