installer.lua

local NAME = "CC Samurai Salad Installer"
local REPO_LINK = "https://raw.githubusercontent.com/MichielP1807/CC-Samurai-Salad/main/"
local FOLDERS = {
    "models",
    "Pine3D",
}
local DOWNLOADS = {
    "SamuraiSalad.lua",
    "Pine3D/Pine3D.lua",
    "Pine3D/betterblittle.lua",
    "models/apple.stab",
    "models/background.stab",
    "models/bomb.stab",
    "models/coconut.stab",
    "models/pineapple.stab",
    "models/watermelon.stab",
}

local width, height = term.getSize()
local totalDownloaded = 0

local function update(text)
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.setCursorPos(1, 9)
    term.clearLine()
    term.setCursorPos(math.floor(width / 2 - string.len(text) / 2 + 0.5), 9)
    write(text)
end

local function bar(ratio)
    term.setBackgroundColor(colors.gray)
    term.setTextColor(colors.lime)
    term.setCursorPos(1, 11)

    for i = 1, width do
        if (i / width < ratio) then
            write("]")
        else
            write(" ")
        end
    end
end

local function download(path, attempt)
    local rawData = http.get(REPO_LINK .. path)
    update("Downloaded " .. path .. "!")
    if not rawData then
        if attempt == 3 then
            error("Failed to download " .. path .. " after 3 attempts!")
        end
        update("Failed to download " .. path .. ". Trying again (attempt " .. (attempt + 1) .. "/3)")
        return download(path, attempt + 1)
    end
    local data = rawData.readAll()
    local file = fs.open(path, "w")
    file.write(data)
    file.close()
end

local function downloadAll(downloads, total)
    local nextFile = table.remove(downloads, 1)
    if nextFile then
        sleep(0.1)
        parallel.waitForAll(function()
            downloadAll(downloads, total)
        end, function()
            download(nextFile, 1)
            totalDownloaded = totalDownloaded + 1
            bar(totalDownloaded / total)
        end)
    end
end

function install()
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.yellow)
    term.clear()

    term.setCursorPos(math.floor(width / 2 - #NAME / 2 + 0.5), 2)
    write(NAME)
    update("Installing...")
    bar(0)

    local total = #FOLDERS + #DOWNLOADS

    for i = 1, #FOLDERS do
        local folder = FOLDERS[i]
        update("Creating " .. folder .. " folder...")
        fs.makeDir(folder)
        bar(i / total)
    end

    totalDownloaded = #FOLDERS
    downloadAll(DOWNLOADS, total)

    update("Installation finished!")

    sleep(1)

    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.clear()

    term.setCursorPos(1, 1)
    write("Finished installation!\nPress any key to close...")

    os.pullEventRaw()

    term.clear()
    term.setCursorPos(1, 1)
end

install()