<template>
  <div id="Chapter2_2" class="content-wrap">
    <div style="margin: 30px 0px 50px; width: 20%">
      <router-link to="/MyPlan.page">
        <div class="logo mb25"><img src="../../../../resources/img/logo2.png" alt="" /></div>
      </router-link>
    </div>
    <div class="title-box mb25 flex align-center mt40">
      <span class="title mr40">1. Hello WORLD</span>
      <span class="subtitle">my name is dd</span>
    </div>
    <div class="flex justify-between align-center">
      <div class="pre-btn" @click="goToPage('Chapter3_5')"><img src="../../../../resources/img/left.png" alt="" /></div>
      <div class="content title-box">
        <p class="title mt25 title-bg">step3.</p>
        <div class="flex align-center mb30">
          <p class="subtitle2 mr20">듣고 알맞은 것을 고르세요.</p>
          <button @click="playAudio"><img src="../../../../resources/img/btn10_s.png" alt="" /> <audio id="audio-player" src="client/resources/audio/bank.wav" preload="auto"></audio></button>
        </div>
        <div class="time-hint">
          <button class="hint-btn">HINT</button>
          <div class="time-bg mt20">
            <div>
              <div class="time">
                <p class="second">{{ timer }}</p>
                <p class="text">sec</p>
              </div>
            </div>
          </div>
        </div>

        <div class="imgGroup">
          <img src="../../../../resources/img/img114_57s.png" alt="" />
        </div>

        <div class="flex justify-center">
          <div class="btnGroup mt50 flex justify-between">
            <button class="popTxt" v-for="(item, index) in items" :key="index" @click="updateContent(index)" :class="{ active: selectedIndex === index }">
              <img :src="item.imgSrc1" />
              <img :src="item.imgSrc2" v-if="selectedIndex === index" style="display: block" />
            </button>
          </div>
        </div>
        <button class="submit-button" @click="handleSubmit()">제출하기</button>
      </div>
      <div class="next-btn" @click="goToPage('Chapter3_7')"><img src="../../../../resources/img/right.png" alt="" /></div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      items: [
        { imgSrc2: "client/resources/img/img53_6_35s.png", imgSrc1: "client/resources/img/img53_1_35s.png" },
        { imgSrc2: "client/resources/img/img53_7_35s.png", imgSrc1: "client/resources/img/img53_2_35s.png" },
        { imgSrc2: "client/resources/img/img53_8_35s.png", imgSrc1: "client/resources/img/img53_3_35s.png" },
        { imgSrc2: "client/resources/img/img53_9_35s.png", imgSrc1: "client/resources/img/img53_4_35s.png" },
        { imgSrc2: "client/resources/img/img53_10_35s.png", imgSrc1: "client/resources/img/img53_5_35s.png" },
      ],
      selectedIndex: null,
      timer: "00",
      intervalId: null,
    };
  },
  methods: {
    goToPage(page) {
      this.$router.push({ name: page });
    },
    updateContent(index) {
      this.selectedIndex = index;
      this.currentCon = this.items[index].con;
    },
    startTimer() {
      if (this.intervalId) {
        clearInterval(this.intervalId);
      }
      this.timer = 5;
      this.intervalId = setInterval(() => {
        if (this.timer > 0) {
          this.timer--;
        } else {
          clearInterval(this.intervalId);
        }
      }, 1000);
    },
    handleSubmit() {
      console.log("정답 : ", this.selectedIndex + 1);
    },
    playAudio() {
      const audio = document.getElementById("audio-player");
      audio.play();
      console.log("playing");
    },
  },
  beforeDestroy() {
    if (this.intervalId) {
      clearInterval(this.intervalId);
    }
  },
};
</script>

<style scoped>
.popTxt img {
  position: absolute;
  top: 0;
  left: 0;
}

.submit-button {
  position: absolute;
  background-color: #ffba08;
  padding: 10px 30px;
  border-radius: 10px;
  font-size: 28px;
  font-family: "ONEMobilePOPOTF";
  right: 5rem;
  bottom: 3rem;
}
</style>
