import {buildInvoke, buildTraversal} from '@avocado/behavior';

// Mama kitty spawner.
export function mamaKittySpawnerJSON() {

  const storeJSON = buildTraversal(
    ['context', 'json'],
    {
      traits: {
        positioned: {
          state: {},
        },
      },
    },
  );

  function setAxeFromRoom(roomAxe, entityAxe) {
    return buildTraversal(
      ['context', 'json', 'traits', 'positioned', 'state', entityAxe],
      buildInvoke(['global', 'multiply'], [
        buildInvoke(
          ['global', 'randomNumber'],
          [
            100,
            buildInvoke(
              ['global', 'sub'],
              [
                buildTraversal(['entity', 'room', roomAxe]),
                100,
              ],
            )
          ],
        ),
        4,
      ]),
    );
  }

  const spawn = buildInvoke(['entity', 'spawn'], [
    'mama',
    buildTraversal(['context', 'json']),
  ]);

  return {
    traits: {
      behaved: {
        params: {
          routines: {
            type: 'routines',
            routines: {
              initial: {
                type: 'routine',
                routine: {
                  type: 'actions',
                  traversals: [
                    storeJSON,
                    setAxeFromRoom('width', 'x'),
                    setAxeFromRoom('height', 'y'),
                    spawn,
                  ],
                }
              },
            },
          },
        },
      },
      existent: {
        state: {
          name: 'Mama spawner',
        },
      },
      layered: {},
      listed: {},
      roomed: {},
      spawner: {
        params: {
          spawns: {
            mama: {
              uri: '/mama-kitty.entity.json',
            },
          },
        },
        state: {
          maxSpawns: 2,
        },
      },
    },
  };
}