local maps = require("lib-core.maps")

-- inline stubs (extract in P.0.lib.{render,camera,input,player_control,actor,interaction})
local render          = { hello = function() return "render stub" end }
local camera          = { hello = function() return "camera stub" end }
local input           = { hello = function() return "input stub" end }
local player_control  = { hello = function() return "player_control stub" end }
local actor           = { hello = function() return "actor stub" end }
local interaction     = { hello = function() return "interaction stub" end }

-- Load + activate the demo map (P.0.lib.maps slice)
local demo_map = maps.load("maps/demo.map.json")
maps.set_current(demo_map)

local frames = 0
local TARGET_FRAMES = 60

function init(ctx)
    engine.print("spine-prototype init: maps loaded")
    engine.print("inline stubs loaded: "
        .. render.hello() .. ", "
        .. camera.hello() .. ", "
        .. input.hello() .. ", "
        .. player_control.hello() .. ", "
        .. actor.hello() .. ", "
        .. interaction.hello())

    local size = maps.size()
    engine.print(string.format("map size: %dx%d", size.w, size.h))

    local corner = maps.tile_at(0, 0)
    local interior = maps.tile_at(5, 5)
    engine.print("tile at (0,0): " .. corner.id)
    engine.print("tile at (5,5): " .. interior.id)
    engine.print("walkable at (0,0): " .. tostring(maps.is_walkable(0, 0)))
    engine.print("walkable at (5,5): " .. tostring(maps.is_walkable(5, 5)))
end

function update(ctx, dt)
    frames = frames + 1
    if frames >= TARGET_FRAMES then
        engine.exit(0)
    end
end

function cleanup(ctx)
    engine.print("spine-prototype cleanup: total_frames=" .. frames)
end