--- @alias State "idle"|"run"|"attack"|"hurt"

--- @class Logic
--- @field id Id
--- @field mapLogic MapLogic
--- @field state State
local logic = {}
logic.__index = logic

--- @param id Id
--- @param position? Vec3
--- @param size? Vec3
local function new(id, position, size)
    return setmetatable({
        id = id,
        mapLogic = (require 'lib.character.map_logic').new(id, position, size)
    }, logic)
end

--- @param path Vec3
function logic:followPath(path)

end

--- @param target Vec3
function logic:runTo(target)
    self.state = "run"
    self.mapLogic.runTarget = target
end

function logic:update(dt)
    if self.state == "run" and self.mapLogic.runTarget then
        if self.mapLogic.position:floor() == self.mapLogic.runTarget:floor() then -- мы добежали до цели и сейчас в целевой клетке
            self.state = "idle"
            self.mapLogic.runTarget = nil
        else                -- мы не добежали до цели
            local vel = (self.mapLogic.runTarget:subtract(self.mapLogic.position):normalize() --[[@as Vec3]]
            ):scale(1 * dt) -- бежим 2 условных метра в секунду
            self.mapLogic.position = self.mapLogic.position:add(vel)
        end
    end

    Tree.level.characterGrid:add(self.id)
end

return { new = new }