local gears = require "gears"
local lit = require "lib.lit"
local qbezier = require "quarrel.bezier"
local qui = require "quarrel.ui"
local wibox = require "wibox"

local widget = wibox.widget {
    widget = wibox.container.constraint,
    height = 120,
    width = 120,
    strategy = "exact",
    {
        widget = lit.widget.linechart,
        -- max_value = 30,
        -- step_width = 10,
        -- scale = true,
        -- stack = false,
        -- forced_height = 30,
        -- step_hook = curvaceous
        -- values = { 1, 10, 100 },
        fill = true,
        fill_color = "#00ff00",
        -- fill_border = true,
        fill_border_color = "#ff0000",
        draw_bg = function(cr, width, _, min, max, transform)
            cr:set_line_width(1)
            local min_abs = math.abs(min)
            local dash_pattern = { 6, 4 }
            local rendered_zero, zero_overlap = false, false
            for i = 0, 4 do
                local temp = ((min_abs + max) * (i / 4)) - min_abs
                rendered_zero = rendered_zero or temp == 0
                if rendered_zero and not zero_overlap and min < 0 then
                    cr:set_source_rgba(gears.color.parse_color "#0000ff")
                    zero_overlap = true
                else
                    cr:set_dash(dash_pattern, 1, 0)
                    cr:set_source_rgba(gears.color.parse_color "#ff0000ff")
                end
                local y = transform(temp)
                cr:move_to(0, y)
                cr:line_to(width, y)
                cr:stroke()
                cr:set_dash({}, 0, 0)
            end

            if not rendered_zero then
                cr:set_source_rgba(gears.color.parse_color "#0000ff")
                local h_0 = transform(0)
                cr:move_to(0, h_0)
                cr:line_to(width, h_0)
                cr:stroke()
            end
        end,
    },
}

-- for _ = 1, 100 do
--     widget.widget:add_value(math.random(0, 30))
-- end

-- require "gears.timer" {
--     autostart = true,
--     timeout = 0.2,
--     callback = function ()
--         widget.widget:add_value(math.random(0, 30))
--     end
-- }

return widget