DamagePerPowerCalc

local _, core = ...; -- Namespace

--------------------------------------
-- Custom Slash Command
--------------------------------------
core.commands = {
    ["config"] = core.Config.Toggle, -- this is a function (no knowledge of Config object)

    ["help"] = function()
        print(" ");
        core:Print("List of slash commands:")
        core:Print("|cff00cc66/at config|r - shows config menu");
        core:Print("|cff00cc66/at help|r - shows help info");
        print(" ");
    end,

    ["example"] = {
        ["test"] = function(...)
            core:Print("My Value:", tostringall(...));
        end
    }
};

local function HandleSlashCommands(str)
    if (#str == 0) then
        -- User just entered "/at" with no additional args.
        core.commands.help();
        return;
    end

    local args = {};
    for _, arg in ipairs({ string.split(' ', str) }) do
        if (#arg > 0) then
            table.insert(args, arg);
        end
    end

    local path = core.commands; -- required for updating found table.

    for id, arg in ipairs(args) do
        if (#arg > 0) then -- if string length is greater than 0.
            arg = arg:lower();
            if (path[arg]) then
                if (type(path[arg]) == "function") then
                    -- all remaining args passed to our function!
                    path[arg](select(id + 1, unpack(args)));
                    return;
                elseif (type(path[arg]) == "table") then
                    path = path[arg]; -- another sub-table found!
                end
            else
                -- does not exist!
                core.commands.help();
                return;
            end
        end
    end
end

function core:Print(...)
    local hex = select(4, self.Config:GetThemeColor());
    local prefix = string.format("|cff%s%s|r", hex:upper(), "Damage Per Power Calc:");
    DEFAULT_CHAT_FRAME:AddMessage(string.join(" ", prefix, ...));
end

-- WARNING: self automatically becomes events frame!
function core:init(event, name)
    if (name ~= "DamageManaEfficiencyCalculator") then return end

    -- allows using left and right buttons to move through chat 'edit' box
    for i = 1, NUM_CHAT_WINDOWS do
        _G["ChatFrame"..i.."EditBox"]:SetAltArrowKeyMode(false);
    end

    ----------------------------------
    -- Register Slash Commands!
    ----------------------------------
    SLASH_RELOADUI1 = "/rl"; -- new slash command for reloading UI
    SlashCmdList.RELOADUI = ReloadUI;

    SLASH_FRAMESTK1 = "/fs"; -- new slash command for showing framestack tool
    SlashCmdList.FRAMESTK = function()
        LoadAddOn("Blizzard_DebugTools");
        FrameStackTooltip_Toggle();
    end

    SLASH_AuraTracker1 = "/at";
    SlashCmdList.AuraTracker = HandleSlashCommands;

    core:Print("Welcome back", UnitName("player").."!");
end



print("Create Local Variables")

local SpellDescription
local DamageLow
local DamageHigh
local PowerCost
local DamagePerPowerCost
local InSpellID
local ResultString

print("Create function core:mainDamagePerPowerCalc()")

function core:myFunction(InSpellID)
--Do Damage Per Power Stuff
    local PowerCostTable = GetSpellPowerCost(InSpellID);
    local cleanPowerCostTable = PowerCostTable[1];

    local SpellName, rank, icon, castTime, minRange, maxRange = GetSpellInfo(InSpellID)

    SpellDescription = GetSpellDescription(InSpellID)
    DamageLow = SpellDescription:match("(%d+)");
    DamageHigh = SpellDescription:match(".-%d+.-([%d%.%,]+)");
    PowerCost = cleanPowerCostTable["cost"];
    DamagePerPowerCost = (DamageLow + DamageHigh) / (2 * PowerCost);

    ResultString = (SpellName .. ": " .. DamagePerPowerCost .. " Dmg/Power");
    return true;
end

--https://www.wowinterface.com/forums/showthread.php?t=57396
print("Running script from wowinterface.com")

GameTooltip:HookScript("OnTooltipSetSpell", function(self)
    local name, NewSpellID = self:GetSpell()
    if NewSpellID then
        -- Work with the spell ID you now have access to
        core.myFunction(NewSpellID)
        print (ResultString)
    end
end)

print("")


local events = CreateFrame("Frame");
events:RegisterEvent("ADDON_LOADED");
events:SetScript("OnEvent", core.init);