local DEMO = {}

DEMO.Author = "Mathias"
DEMO.Title = "restart"

local CONFIG = {}

CONFIG.TargetTime   = 0
CONFIG.Counting     = falses
CONFIG.Warning      = ""
CONFIG.PopupText    = ""
CONFIG.PopupPos     = {0,0}
CONFIG.LastPopup    = CurTime()
CONFIG.Popups       = { "HURRY!", "FASTER!", "YOU WON'T MAKE IT!", "QUICKLY!", "GOD YOU'RE SLOW!", "DID YOU GET EVERYTHING?!", "ARE YOU SURE THAT'S EVERYTHING?!", "OH GOD!", "OH MAN!", "YOU FORGOT SOMETHING!", "SAVE SAVE SAVE" }
CONFIG.NextStress   = CurTime()
CONFIG.LastNumber   = CurTime()

surface.CreateFont(
    "aowl_restart",
    {
        font        = "Roboto Bk",
        size        = 40,
        weight      = 1000,
    }
)

function DEMO:OnDraw(W, H, m)
    surface.SetDrawColor(255, 50, 50, 100 + (math.sin(CurTime() * 3) * 80))
    surface.DrawRect(0, 0, W, H)

    surface.SetFont("aowl_restart")
    surface.SetTextColor(Color(50, 50, 50, 255))
    local w = surface.GetTextSize(CONFIG.Warning)
    w=w or 56
    surface.SetTextPos((W / 2) - w / 2, 200)
    surface.DrawText(CONFIG.Warning)

    surface.SetDrawColor(Color(0,255,0,255))
    surface.DrawRect((W - w)/2, 175, w * math.max(0, (CONFIG.TargetTime-CurTime())/(CONFIG.TargetTime-CONFIG.StartedCount) ), 20)
    surface.SetDrawColor(color_black)
    surface.DrawOutlinedRect((W - w)/2, 175, w, 20)

    local Count = tostring(CONFIG.TargetTime - CurTime()):sub(1, 6)
    w = surface.GetTextSize(Count)

    surface.SetTextPos((W / 2) - w / 2, 240)
    surface.DrawText(Count)

    surface.SetTextColor(255, 255, 255, 255)
    if(CurTime() - CONFIG.LastPopup > 0.5) then
        CONFIG.PopupText = { CONFIG.Popups[math.random(1,#CONFIG.Popups)], CONFIG.Popups[math.random(1,#CONFIG.Popups)], CONFIG.Popups[math.random(1,#CONFIG.Popups)] }
        CONFIG.PopupPos = {{math.random(1, W - 150), math.random(1, H - 10) },{math.random(1, W - 150), math.random(1, H - 10) },{math.random(1, W - 150), math.random(1, H - 10) }}
        CONFIG.LastPopup = CurTime()
    end

    if(CurTime() > CONFIG.NextStress) then
        CONFIG.NextStress = CurTime() + math.random(1, 2)
    end

    for i = 1, 3 do

        local text = CONFIG.PopupText[i]
        local x,y = CONFIG.PopupPos[i][1], CONFIG.PopupPos[i][2]

        math.randomseed(i + x + y)

        local textWidth, textHeight = surface.GetTextSize(Count)

        local recenter = Matrix()
        recenter:Translate(Vector(-textWidth * 0.5, -textHeight * 0.5, 0))

        local rotation = Matrix()
        rotation:Rotate(Angle (0, math.Rand(-45, 45), 0))

        local uncenter = Matrix()
        uncenter:Translate(Vector(x, y, 0))

        local mat = uncenter * rotation * recenter

        cam.PushModelMatrix(mat)
            surface.SetTextPos(0,0)
            surface.DrawText(text)
        cam.PopModelMatrix()
    end
end

function DEMO:OnStart()
    CONFIG.StartedCount = CurTime()
    CONFIG.TargetTime = CurTime() + 15
    CONFIG.Counting = true

    CONFIG.Warning = "THIS IS A DEMO, SAVE YOUR PROPS AND HIDE THE CHILDREN!"
end

demoman.demos = {}
demoman.AddDemo(DEMO)