<script setup lang="ts">
import { computed, watch } from 'vue';
import type { ISliderProps } from '@interfaces/componentsProps';
import { convertThemeToColor } from '@helpers/common';

const props = withDefaults(defineProps<ISliderProps>(), {
  width: '100',
  size: 'normal',
  theme: 'sky',
  backgroundColor: 'black',
  darknessTheme: '500',
  darknessBackgroundColor: '500',
});
const value = defineModel();
const optionValue = computed({
  get() {
    return typeof value.value === 'string' && props.options
      ? props.options.findIndex((option) => option.label === value.value)
      : value.value;
  },
  set(newValue) {
    if (props.options) {
      value.value = props.options!.find((option) => (option.value ?? option.label) == newValue)!.label;
    } else value.value = newValue;
  },
});
watch([value], () => {
  if (value.value !== optionValue.value) {
    optionValue.value =
      typeof value.value === 'string'
        ? props.options!.findIndex((option) => option.label === value.value)
        : value.value;
  }
});
const sliderButtonSize = computed(() => {
  switch (props.size) {
    case 'small':
      return '10px';
    case 'large':
      return '30px';
    case 'huge':
      return '40px';
  }
  return '20px';
});
const optionsFontSize = computed(() => {
  if (!props.options?.length) return;
  switch (props.size) {
    case 'small':
      return '10px';
    case 'large':
      return '14px';
    case 'huge':
      return '16px';
  }
  return '12px';
});
const widthHalf = computed(() => `${Math.floor(+props.width / 2)}px`);
const sliderHeight = computed(() => `${Math.floor(+sliderButtonSize.value.slice(0, -2) / 2.5)}px`);
const sliderBorderRadius = computed(() => (props.isSmooth ? sliderHeight.value : '0%'));
const sliderButtonBorderRadius = computed(() => (props.isSmooth ? '50%' : '0%'));
const themeColor = computed(() => convertThemeToColor(props.theme, props.darknessTheme));
const themeBackground = computed(() => convertThemeToColor(props.backgroundColor, props.darknessBackgroundColor));
const marksListPadding = computed(() => `${Math.floor(+sliderButtonSize.value.slice(0, -2) / 2)}px`);
</script>

<template>
  <div
    :class="[
      'sliderContainer',
      {
        verticalSlider: orientation === 'vertical',
      },
    ]"
    :style="`width: ${width}px; margin-bottom: ${orientation === 'vertical' ? +width / 2 + 'px' : 0}`"
  >
    <input v-model="optionValue" type="range" class="slider" :min="min ?? 0" :max="max ?? 100" :step="step ?? 1" />
    <div v-if="options?.length">
      <ul class="marksList" :style="`width: ${width ?? 200}px`">
        <li
          v-for="option of options"
          :key="String(option.label)"
          class="mark"
          :style="`color: ${convertThemeToColor(option.color ?? 'black', option.darknessColor ?? '500') ?? 'white'}; font-size: ${optionsFontSize}`"
        >
          {{ option.label }}
        </li>
      </ul>
    </div>
  </div>
</template>

<style scoped>
.sliderContainer {
  width: v-bind(width);
}
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: v-bind(sliderHeight);
  background: v-bind(themeBackground);
  outline: none;
  border-radius: v-bind(sliderBorderRadius);
  filter: brightness(100%);
  -webkit-transition: 0.2s;
  transition: filter 0.2s;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: v-bind(sliderButtonSize);
  height: v-bind(sliderButtonSize);
  border-radius: v-bind(sliderButtonBorderRadius);
  background: v-bind(themeColor);
  -webkit-transition: 0.2s;
  transition: filter 0.2s;
}

.slider::-webkit-slider-thumb:hover {
  filter: brightness(90%);
}

.slider::-moz-range-thumb {
  width: v-bind(sliderButtonSize);
  height: v-bind(sliderButtonSize);
  background: v-bind(themeColor);
  cursor: pointer;
}
.verticalSlider {
  margin-top: v-bind(widthHalf);
  transform: rotate(270deg) translateY(-100%);
}
.verticalSlider .marksList {
  padding-bottom: 0;
}
datalist {
  display: flex;
  justify-content: space-between;
  width: v-bind(width);
}
.values {
  padding: 0 -15px;
}
option {
  padding: 0;
}
.marksList {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-size: 10px;
  padding: 0 v-bind(marksListPadding);
  padding-bottom: 20px;
}
.mark {
  display: flex;
  justify-content: center;
  line-height: 40px;
  background-color: black;
  width: 1px;
  height: 10px;
}
</style>
