--[[
--    Nebulae Satellite.
--
--    One-shot mission.
--
--    Help some independent scientists put a satellite in the nebulae.
--]]

-- Localization stuff, translators would work here.
lang = lephisto.lang()
if lang == "es" then
else -- Default to English.
  mtitle      = {}
  mtitle[1]   = "Nebulae Satellite"
  mreward     = {}
  mreward[1]  = "%d credits"
  mdesc       = {}
  mdesc[1]    = "Go to the %s system to launch the probe."
  mdesc[2]    = "Drop off the scientists at %s in the %s system."
  title       = {}
  title[1]    = "Bar"
  title[2]    = "Scientific Exploration"
  title[3]    = "Mission Success"
  text        = {}
  text[1]     = [[You are sitting at the bar when you are approached by a couple of short guys. They seem a bit nervous and one mutters something about whether it's a good idea or not. Eventually one of them comes up to you.
  "Hello Captain, We're looking for a ship to take us into the Sol Nebulae. Would you be willing to take us there?]]
  text[2]     = [["We had a trip scheduled with some Space Trader ship, but they backed out at the last minute. So we were stuck here until you came. We've got a probe satellite that we have to release in the %s system to monitor the nebulae's growth rate. The probe launch procedure is pretty straightforward and shouldn't have any complications."
  He takes a deep breath, "We hope to be able to find out more secrets of the Sol Nebulae so man can once again regain it's lost patrimony. So far the radiation and volatility of the deeper area haven't been very kind to our instruments. That's why we designed this Satellite we're going to launch."]]
  text[3]     = [["The plan is for you to take us to %s so we can launch the probe, then back to our home at %s in the %s system. The probe will automatically send us the data we need if all goes well. You'll be paid %d credits when we arrive."]]
  text[4]     = [[The scientists thank you for your help before going back to their home to continue their nebulae research.]]
  text[9]     = [["You do ot have enough free cargo space to accept this mission!"]]
  launch      = {}
  launch[1]   = "Preparing to launch the satellite probe..."
  launch[2]   = "Launch in 5..."
  launch[3]   = "Satellite launch successful!"
end

function create()
  if tk.yesno(title[1], text[1]) then
    -- Check for cargo space.
    if player.freeCargo() < 3 then
      tk.msg(title[1], text[9])
      return
    end
    misn.accept()

    -- Set up mission variables.
    misn_stage = 0
    homeworld, homeworld_sys = space.getPlanet(misn.factions())
    satellite_sys = space.getSystem("Arandon") -- Not too unstable.
    credits = 75000
    cargo = player.addCargo("Satellite", 3)

    -- Set up mission information.
    misn.setTitle(mtitle[1])
    misn.setReward(string.format(mreward[1], credits))
    misn.setDesc(string.format(mdesc[1], satellite_sys:name()))
    misn.setMarker(satellite_sys)

    -- More flavour text.
    tk.msg(title[2], string.format(text[2], satellite_sys:name()))
    tk.msg(title[2], string.format(text[3], satellite_sys:name(),
        homeworld:name(), homeworld_sys:name(), credits))

    -- Set up hooks.
    hook.land("land")
    hook.enter("jump")
  end
end

function land()
  landed = space.getPlanet()
  -- Mission success.
  if misn_stage == 1 and landed == homeworld then
    tk.msg(title[3], text[4])
    player.pay(credits)
    misn.finish(true)
  end
end

function jump()
  sys = space.getSystem()
  -- Launch satellite.
  if misn_stage == 0 and sys == satellite_sys then
    misn.timerStart("beginLaunch", 3000)
  end
end

--[[
--    Launch process.
--]]
function beginLaunch()
  player.msg(launch[1])
  misn.timerStart("beginCountdown", 3000)
end

function beginCountdown()
  countdown = 5
  player.msg(launch[2])
  misn.timerStart("countLaunch", 1000)
end

function countLaunch()
  countdown = countdown - 1
  if countdown <= 0 then
    launchSatellite()
  else
    player.msg(string.format("%d..." countdown))
    misn.timerStart("countLaunch", 1000)
  end
end

function launchSatellite()
  misn_stage = 1
  player.msg(launch[3])
  player.jetCargo(cargo)
  misn.setDesc(string.format(mdesc[2], homeworld:name(), homeworld_sys:name()))
  misn.setMarker(homeworld_sys)
end