'use strict'

function Deck () {
  this.cards = [
    new Card_Potion('A', 11, HEART, 'White Mage'),
    new Card_Potion('2', 2, HEART, 'Small Potion'),
    new Card_Potion('3', 3, HEART, 'Small Potion'),
    new Card_Potion('4', 4, HEART, 'Medium Potion'),
    new Card_Potion('5', 5, HEART, 'Medium Potion'),
    new Card_Potion('6', 6, HEART, 'Medium Potion'),
    new Card_Potion('7', 7, HEART, 'Medium Potion'),
    new Card_Potion('8', 8, HEART, 'Medium Potion'),
    new Card_Potion('9', 9, HEART, 'Large Potion'),
    new Card_Potion('10', 10, HEART, 'Large Potion'),
    new Card_Potion('V', 11, HEART, 'White Mage'),
    new Card_Potion('Q', 11, HEART, 'White Mage'),
    new Card_Potion('K', 11, HEART, 'White Mage'),
    new Card_Shield('A', 11, DIAMOND, 'Red Mage'),
    new Card_Shield('2', 2, DIAMOND, 'Buckler'),
    new Card_Shield('3', 3, DIAMOND, 'Buckler'),
    new Card_Shield('4', 4, DIAMOND, 'Shield'),
    new Card_Shield('5', 5, DIAMOND, 'Shield'),
    new Card_Shield('6', 6, DIAMOND, 'Shield'),
    new Card_Shield('7', 7, DIAMOND, 'Shield'),
    new Card_Shield('8', 8, DIAMOND, 'Shield'),
    new Card_Shield('9', 9, DIAMOND, 'Large Shield'),
    new Card_Shield('10', 10, DIAMOND, 'Large Shield'),
    new Card_Shield('V', 11, DIAMOND, 'Red Mage'),
    new Card_Shield('Q', 11, DIAMOND, 'Red Mage'),
    new Card_Shield('K', 11, DIAMOND, 'Red Mage'),
    new Card_Monster('A', 17, CLOVE, 'Empress'),
    new Card_Monster('2', 2, CLOVE, 'Rat'),
    new Card_Monster('3', 3, CLOVE, 'Bat'),
    new Card_Monster('4', 4, CLOVE, 'Imp'),
    new Card_Monster('5', 5, CLOVE, 'Goblin'),
    new Card_Monster('6', 6, CLOVE, 'Orc'),
    new Card_Monster('7', 7, CLOVE, 'Ogre'),
    new Card_Monster('8', 8, CLOVE, 'Beholder'),
    new Card_Monster('9', 9, CLOVE, 'Medusa'),
    new Card_Monster('10', 10, CLOVE, 'Demon'),
    new Card_Monster('V', 11, CLOVE, 'Consort'),
    new Card_Monster('Q', 13, CLOVE, 'Queen'),
    new Card_Monster('K', 15, CLOVE, 'Regnant'),
    new Card_Monster('A', 17, SPADE, 'Empress'),
    new Card_Monster('2', 2, SPADE, 'Slime'),
    new Card_Monster('3', 3, SPADE, 'Tunneler'),
    new Card_Monster('4', 4, SPADE, 'Fiend'),
    new Card_Monster('5', 5, SPADE, 'Drake'),
    new Card_Monster('6', 6, SPADE, 'Specter'),
    new Card_Monster('7', 7, SPADE, 'Ghost'),
    new Card_Monster('8', 8, SPADE, 'Elemental'),
    new Card_Monster('9', 9, SPADE, 'Witch'),
    new Card_Monster('10', 10, SPADE, 'Familiar'),
    new Card_Monster('V', 11, SPADE, 'Consort'),
    new Card_Monster('Q', 13, SPADE, 'Queen'),
    new Card_Monster('K', 15, SPADE, 'Regnant'),
    new Card_Monster('J', 21, JOKER, 'First Donsol'),
    new Card_Monster('J', 21, JOKER, 'Second Donsol')
  ]

  let draw_pile = []

  this.start = function () {
    draw_pile = this.cards
    donsol.timeline.add_event(`Entered Donsol, at <b>${donsol.get_difficulty()}</b> difficulty.`)
  }

  this.shuffle = function () {
    draw_pile = shuffle(this.cards)
    donsol.timeline.add_event(`Entered Donsol, at <b>${donsol.get_difficulty()}</b> difficulty.`)
  }

  this.draw_card = function (type) {
    let i = 0
    switch (type) {
      case HEART:
        i = Math.floor((Math.random() * 10) + 0); break
      case DIAMOND:
        i = Math.floor((Math.random() * 10) + 13); break
      case CLOVE:
        i = Math.floor((Math.random() * 10) + 25); break
      case SPADE:
        i = Math.floor((Math.random() * 10) + 36); break
    }

    return draw_pile.splice(i, 1)[0]
  }

  this.return_card = function (card) {
    draw_pile.push(card)
    draw_pile = shuffle(draw_pile)
  }

  function shuffle (array) {
    for (let i = array.length - 1; i > 0; i--) {
      const j = Math.floor(Math.random() * (i + 1))
      const temp = array[i]
      array[i] = array[j]
      array[j] = temp
    }
    return array
  }
}