Easy Fishing Classic 

local function IsFishPole()
	local itemId = GetInventoryItemID("player", 16)
>>	if itemId == (6256 or 12225 or 6365 or 6367 or 19022 or 19970) then
		return true
	else
		return false
	end
end

if itemId == 6256 or itemId == 12225 or itemId == 6365 or itemId == 6367 or itemId == 19022 or itemId == 19970 then

--[[ based on the sFishing addon by Coolkid; fixed to work in Classic by Firedancer ]]--
local knowFish = false
local spell = GetSpellInfo(7620) or GetSpellInfo(7731) or GetSpellInfo(7732) or GetSpellInfo(18248)
local isPole = false
local holder = CreateFrame("Frame", nil, UIParent)

local sound = false -- set to false if you don't want to override your sound settings
local clicktomove = true -- set to false if you don't want to change the settings for click to move depending if you have a fishing pole equipped or not
--[[ turn on master/sfx (bobber sound) and turn off music/ambience ]]--
local function EnhanceSound()
	SetCVar("Sound_MasterVolume", 1)
	SetCVar("Sound_SFXVolume", 1.0)
	SetCVar("Sound_MusicVolume", 0.0)
	SetCVar("Sound_AmbienceVolume", 0.0)
end
--[[ reset all values to default // find your values in _classic_\WTF\Config.wtf ]]--
local function RestoreSound()
	SetCVar("Sound_MasterVolume", 1)
	SetCVar("Sound_SFXVolume", 1)
	SetCVar("Sound_MusicVolume", 1)
	SetCVar("Sound_AmbienceVolume", 1)
end
local function ClickToMoveDisable()
	SetCVar("AutoInteract", 0)
end
local function ClickToMoveEnable()
	SetCVar("AutoInteract", 1)
end

local function ResetOverride()
	btn.holder:Hide()
	ClearOverrideBindings(btn)
end

local function ClickHandled(self)
	ResetOverride()
end
local function OverrideClick()
	SetOverrideBindingClick(btn, true, "BUTTON2", "FishHolder")
	btn.holder:Show()
end
btn = CreateFrame("Button", "FishHolder", holder, "SecureActionButtonTemplate")
btn.holder = holder
btn:EnableMouse(true)
btn:RegisterForClicks("RightButtonUp")
btn:Show()

holder:SetPoint("LEFT", UIParent, "RIGHT", 10000, 0)
holder:SetFrameStrata("LOW")
holder:Hide()
btn:SetScript("PostClick", ClickHandled)

local function IsFishPole()
	local itemId = GetInventoryItemID("player", 16)
if itemId == 6256 or itemId == 12225 or itemId == 6365 or itemId == 6367 or itemId == 19022 or itemId == 19970 then

		return true
	else
		return false
	end
end
local lastClickTime = nil
local function CheckForDoubleClick()
	if lastClickTime then
		local pressTime = GetTime()
		local doubleTime = pressTime - lastClickTime
		if ( (doubleTime < 0.4) and (doubleTime > 0.05) ) then
			lastClickTime = nil
			return true
		end
	end
	lastClickTime = GetTime()
	return false
end
local function OnMouseDown(...)
	local button = select(2, ...)
	if button == "RightButton" and not InCombatLockdown() and CheckForDoubleClick() and knowFish and isPole then
		btn:SetAttribute("type", "spell")
		btn:SetAttribute('spell', spell)
		OverrideClick()
	end
end
btn:RegisterEvent("PLAYER_ENTERING_WORLD")
btn:RegisterEvent("PLAYER_EQUIPMENT_CHANGED")
btn:SetScript("OnEvent", function(self, event)
	if event == "PLAYER_ENTERING_WORLD" then
		self:UnregisterEvent("PLAYER_ENTERING_WORLD")
		if (IsSpellKnown(7620)) or (IsSpellKnown(7731)) or (IsSpellKnown(7732)) or (IsSpellKnown(18248)) then
			knowFish = true
			WorldFrame:HookScript("OnMouseDown", OnMouseDown)
		end
		isPole = IsFishPole()
		if isPole and (sound == true) then EnhanceSound() else RestoreSound() end
		if isPole and (clicktomove == true) then ClickToMoveDisable() else ClickToMoveEnable() end
	end
	if event == "PLAYER_EQUIPMENT_CHANGED" then
		isPole = IsFishPole()
		if isPole and (sound == true) then EnhanceSound() else RestoreSound() end
		if isPole and (clicktomove == true) then ClickToMoveDisable() else ClickToMoveEnable() end
	end
end)