local util = require('util')
-- function generator for window  functions

local w = {}

function w.draw(f)
    return function (self)
        love.graphics.push('all')
        love.graphics.translate(self.x, self.y)
        f(self)
        love.graphics.pop()
    end
end

function w.mousepressed(f)
    return function (self, x, y, button)
        local x, y = x - self.x, y - self.y

        if 0 <= x and x <= self.width and 0 <= y and y <= self.height then
            f(self, x, y, button)
            return true
        end

        return false
    end
end

function w.iterate(t, x, y, button)
    for i, v in util.ipairs_rev(t) do
        if v:mousepressed(x, y, button) then
            return true
        end
    end
end

function w.propagate(tnames)
    return function (self, x, y, button)
        local x, y = x - self.x, y - self.y

        for _, tname in ipairs(tnames) do
            w.iterate(self[tname], x, y, button)
        end
    end
end

function w.portal(room)
    return w.mousepressed(function (self, x, y, button)
        set_room_raw(self[room])
    end)
end

function w.draw_border(width, height)
    love.graphics.push('all')
    love.graphics.setLineWidth(5)
    love.graphics.rectangle('line', 0, 0, width, height, 5)
    love.graphics.pop()
end

return w