# Counter

<script>
export default {
  name: "v-counter",
  data() {
    return {
      count: 0,
      amount: 1
    };
  },
  methods: {
    increment() {
      debugger;
      this.count = this.amount + this.count;
    },
    decrement() {
      debugger;
      this.count -= this.amount;
    },
    reset() {
      this.count = 0;
    }
  },
  render() {
    return this.$scopedSlots.default({
      increment: this.increment,
      decrement: this.decrement,
      reset: this.reset,
      count: this.count,
      inputAttrs: { value: this.amount },
      inputEvents: {
        input: e => {
          debugger;
          this.amount = parseInt(e.target.value);
        }
      }
    });
  }
};
</script>

<template>
  <v-counter>
    <div
      class="counter"
      slot-scope="{ increment, decrement, reset, count, inputAttrs, inputEvents  }"
    >
      <p class="counter-count">{{ count }}</p>
      <div class="counter-actions">
        <button class="counter-button" @click="increment">Add</button>
        <button class="counter-button" @click="decrement">Subtract</button>
        <button class="counter-button" @click="reset">Reset</button>
      </div>
      <div>
        <label for="change-amount" class="counter-label">Change Amount:</label>
        <input type="number" class="counter-input" v-on="inputEvents" v-bind="inputAttrs" />
      </div>
    </div>
  </v-counter>
</template>

<style>
.counter {
  background-color: #41b883;
  border: 8px solid #35495e;
  color: #fff;
  text-align: center;
  padding: 30px 0;
  margin-bottom: 30px;
}

.counter-actions {
  margin-bottom: 30px;
}

.counter-button {
  border-radius: 50%;
  width: 100px;
  height: 100px;
  margin-right: 15px;
  font-size: 1.2rem;
  font-weight: bold;
  border: 2px solid #ccc;
}

.counter-button:last-child {
  margin-right: 0;
}

.counter-count {
  margin-top: 0;
  margin-bottom: 30px;
  padding: 0;
  line-height: 1;
  font-size: 6rem;
  font-weight: bold;
}

.counter-input {
  font-size: 1.2rem;
  padding: 10px;
}

.counter-label {
  font-size: 1.2rem;
  font-weight: bold;
  margin-right: 10px;
}
</style>