#!/usr/bin/env lua

local function read_level(id)
  local file = io.open(id..".jtmm2")
  if not file then
    return nil
  else
    local content = {width = nil, height = nil, tiles = {}}
    local line_nb = 0
    for line in file:lines() do
      line_nb = line_nb + 1
      if line_nb < 3 then
        if content.width then
          content.height = tonumber(line)
        else
          content.width = tonumber(line)
        end
      else
        table.insert(content.tiles, line)
      end
    end
    file:close()
    return content
  end
end

local function create_structure_c(id)
  local content = read_level(id)
  if content then
    -- tiles
    io.write("const unsigned char tiles_", id, "[] = {")
    for i, v in ipairs(content.tiles) do
      io.write(v, ", ")
    end
    io.write("};\n");
    -- structure
    io.write("const Level level_", id, " = {\n")
    io.write("\t.width = ", content.width, ",\n")
    io.write("\t.height = ", content.height, ",\n")
    io.write("\t.tiles = &tiles_", id, "\n")
    io.write("};\n")
  end
end

create_structure_c(0)