#include "tilemap.hpp"
#include "dbc.hpp"
#include "constants.hpp"
#include "render.hpp"

TileMap::TileMap(size_t width, size_t height) :
  $config("./assets/tiles.json"),
  $width(width),
  $height(height),
  $tile_ids(height, matrix::Row(width, SPACE_VALUE)),
  $display(height, TileRow(width, ""))
{
}


void TileMap::dump(int show_x, int show_y) {
  SFMLRender::init_terminal();
  for(matrix::each_row it{$tile_ids}; it.next();) {
    string cell = $display[it.y][it.x];

    if(int(it.x) == show_x && int(it.y) == show_y) {
      fmt::print("{}<", cell);
    } else {
      fmt::print("{} ", cell);
    }

    if(it.row) fmt::print("\n");
  }
}

void TileMap::load(matrix::Matrix &walls) {
  for(matrix::each_cell it{walls}; it.next();) {
    string tile_name = walls[it.y][it.x] == SPACE_VALUE ? "FLOOR_TILE" : "WALL_TILE";

    std::wstring tile = $config.wstring(tile_name);
    string tile_s = $config[tile_name];

    $tile_ids[it.y][it.x] = tile[0];
    $display[it.y][it.x] = tile_s;
  }
}


const string &TileMap::at(size_t x, size_t y) {
  return $display[y][x];
}

bool TileMap::INVARIANT() {
  dbc::check(matrix::height($tile_ids) == $height, "$tile_ids has wrong height");
  dbc::check(matrix::width($tile_ids) == $width, "$tile_ids has wrong width");
  return true;
}