-- Create the mission.
function create()
  -- Target destination.
  local i = 0
  repeat
    planet = space.getPlanet(misn.factions())
    i = i + 1
  until planet ~= space.landName() or i > 10
  -- Protect agains inf loop.
  if i > 10 then
    misn.finish()
  end

  -- Missions generic.
  misn_type = "Rush"
  misn.setTitle("Rush Delivery to " .. planet)

  -- More mission specifics.
  carg_mass = rnd.int(10, 30)
  carg_type = "Food"
  misn.setDesc(string.format(
                          "%s needs a rush delivery of %d tons of %s by %s.",
                          planet, carg_mass, carg_type, "SOMEDAY"))
  misn_reward = carg_mass * 1000 + rnd.int(0, 5000)
  misn.setReward(string.format("%d Scred", misn_reward))
end

function accept()
  if player.freeCargo() < carg_mass then
    tk.msg("Ship is full",
           string.format(
           "Your ship is too full, You need to make room for %d more tons if you want to be able to accept the mission.",
                          carg_mass-player.freeCargo()))
    elseif misn.accept() then -- Able to accept the mission, hooks BREAK after accepting.
      carg_id = player.addCargo(carg_type, carg_mass)
      tk.msg("Mission Accepted",
             string.format("The workers load the %d tons of %s onto your ship.",
             carg_mass, carg_type))
      hook.land("land"); -- Only hook after accepting.
    else
      tk.msg("Too many missions", "You have too many active missions.")
    end
end

function land()
  if space.landName() == planet then
    if player.rmCargo(carg_id) then
      player.pay(misn_reward)
      tk.msg("Mission Accomplished",
            string.format("The workers unload the %s at the docks.", carg_type))
      misn_finish()
    else
      tk.msg("Where is the cargo?",
             string.format("You are missing the %d tons of %s!.",
             carg_mass, carg_type))
    end
  end
end