local world = require("world")
local width, height = love.graphics.getWidth(), love.graphics.getHeight()

---@class ScoringTarget
local ScoringTarget = {
    slots = Arr({
        upgrades = Arr(T.Entity),
    }),
    score = T.number,
}

local ScoringTrigger = {
    mask = T.number,
    target = ScoringTarget,
}

--- Probably need a way to access the total so far.
---@param w World
---@param target ScoringTarget
local function addSlotScores(w, target, slotIndex)
    local upgrades = target.slots[slotIndex].upgrades
    for i, upgrade in ipairs(upgrades) do
        if upgrade.flatScore ~= nil then
            w:addEntity({
                addScore = {
                    addingScoreTo = target,
                    scoreToAdd = upgrade.flatScore,
                },
            })
        end
    end
end

world:filteredSystem("upgradeScorer", { scoringTrigger = ScoringTrigger }, function(e, _, system)
    system.world:removeEntity(e)
    local target, mask = e.scoringTrigger.target, e.scoringTrigger.mask
    for i, slot in ipairs(target.slots) do
        if bit.band(BitAt(i), mask) ~= 0 then
            addSlotScores(system.world, target, i)
        end
    end
end)