local BASE_URL = "https://git.peli-server.de/Dystroyer8/ATM10_CC_Codes/raw/branch/main/"

local function fail(message)
  printError(message)
  error(message, 0)
end

local function fetch(path)
  local response, reason = http.get(BASE_URL .. path)
  if not response then fail("Download fehlgeschlagen: " .. path .. " (" .. tostring(reason) .. ")") end
  local body = response.readAll()
  response.close()
  return body
end

local function writeFile(path, content)
  local directory = fs.getDir(path)
  if directory ~= "" and not fs.exists(directory) then fs.makeDir(directory) end
  local temporary = path .. ".tmp"
  local handle = assert(fs.open(temporary, "w"))
  handle.write(content)
  handle.close()
  if fs.exists(path) then fs.delete(path) end
  fs.move(temporary, path)
end

print("ATM10 Control bootstrap")
local manifestText = fetch("manifest.lua")
local manifestFn, loadError = load(manifestText, "manifest", "t", {})
if not manifestFn then fail("Manifest ungueltig: " .. tostring(loadError)) end
local manifest = manifestFn()

for index, path in ipairs(manifest.files) do
  write(("[%d/%d] %s"):format(index, #manifest.files, path))
  writeFile(path, fetch(path))
  print(" OK")
end

if not fs.exists("config/local.lua") then
  writeFile("config/local.lua", fetch("config/example.lua"))
end
writeFile(".atm10-version", manifest.version .. "\n")
print("Installation abgeschlossen. Konfiguriere config/local.lua und starte neu.")