<script lang="ts">
  import { onMount, tick } from 'svelte';
  import { t } from '$lib/translations';
  import { investmentCalculator } from '../../../store';
  import { chartSegments, type IInvestmentCalculator } from '$type/investmentCalculator';

  let nominalValue = 0;
  let realValue = 0;
  let estimatedTaxes = 0;
  let inflationImpact = 0;
  let managementFees = 0;

  let valueElements: HTMLElement[] = [];

  const updateSegments = () => {
    if (window.matchMedia('(max-width: 767px)').matches) {
      chartSegments.set(22);
    } else if (window.matchMedia('(max-width: 1439px)').matches) {
      chartSegments.set(40);
    } else {
      chartSegments.set(30);
    }
  };

  const syncValueWidths = async () => {
    await tick();
    if (!valueElements.length) return;

    valueElements.forEach(el => el.style.minWidth = '');

    const maxW = Math.max(...valueElements.map(el => el.getBoundingClientRect().width));
    valueElements.forEach(el => el.style.minWidth = `${maxW}px`);
  };

  onMount(() => {
    updateSegments();
    syncValueWidths();

    const media = [
      window.matchMedia('(max-width: 767px)'),
      window.matchMedia('(max-width: 1439px)')
    ];

    media.forEach(m => m.addEventListener('change', updateSegments));

    return () => {
      media.forEach(m => m.removeEventListener('change', updateSegments));
    };
  });

  investmentCalculator.subscribe((data: IInvestmentCalculator) => {
    nominalValue    = data.nominalValue;
    realValue       = data.realValue;
    estimatedTaxes  = data.estimatedTaxes;
    inflationImpact = data.inflationImpact;
    managementFees  = data.managementFees;

    syncValueWidths();
  });

  const formatCurrency = (value: number) => {
    const formatted = new Intl.NumberFormat('en-US', {
      style: 'currency',
      currency: 'USD',
      maximumFractionDigits: 0,
    }).format(Math.abs(value));
    return value < 0 ? `-${formatted}` : formatted;
  };

  const getFilledSegments = (value: number) => {
    if (!nominalValue) return 0;
    return Math.round((Math.abs(value) / nominalValue) * $chartSegments);
  };
</script>

<div class="advancedChart">
  <div class="advancedChart__row advancedChart__row--main">
    <div class="advancedChart__label">{$t('IC.Real Value')}</div>
    <div class="advancedChart__data">
      <div class="advancedChart__value" title={formatCurrency(realValue)} bind:this={valueElements[0]}>
        {formatCurrency(realValue)}
      </div>
      <div class="advancedChart__bar">
        {#each Array($chartSegments) as _, i}
          <div
            class="advancedChart__segment"
            class:filled={i < getFilledSegments(realValue)}
            class:gray={true}
          ></div>
        {/each}
      </div>
    </div>
  </div>

  <div class="advancedChart__group">
    {#each [
      { label: $t('IC.Estimated Taxes'),  value: -estimatedTaxes  },
      { label: $t('IC.Inflation Impact'), value: -inflationImpact },
      { label: $t('IC.Management Fees'),  value: -managementFees  },
    ] as row, i}
      <div class="advancedChart__row">
        <div class="advancedChart__label">{row.label}</div>
        <div class="advancedChart__data">
          <div class="advancedChart__value" title={formatCurrency(row.value)} bind:this={valueElements[i + 1]}>
            {formatCurrency(row.value)}
          </div>
          <div class="advancedChart__bar">
            {#each Array($chartSegments) as _, j}
              <div
                class="advancedChart__segment negative"
                class:filled={j < getFilledSegments(row.value)}
                class:red={true}
              ></div>
            {/each}
          </div>
        </div>
      </div>
    {/each}
  </div>
</div>

<style lang="scss">
  @import 'src/scss/variables';
  @import 'src/scss/media';
  @import 'src/scss/mixins';
  .advancedChart {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    &__group {
      border: 1px solid #434446;
      background-color: #262626;
      border-radius: 12px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    &__row {
      display: flex;
      flex-direction: column;
      gap: 8px;
      &--main {
        margin-bottom: 12px;
      }
    }
    &__data {
      display: flex;
      gap: 10px;
      @include breakpoint-down('tabM') {
        flex-direction: column;
      }
    }
    &__label {
      font-weight: 400;
      font-size: 14px;
      line-height: 18px;
      color: #f5f5f5;
    }
    &__value {
      max-width: 250px !important;
      font-weight: 500;
      font-size: 24px;
      line-height: 32px;
      color: #ffffff;
      flex-shrink: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    &__bar {
      width: 100%;
      display: flex;
      gap: 4px;
      align-items: center;
    }
    &__segment {
      width: calc(100% / 30);
      height: 20px;
      border-radius: 2px;
      background: #616161;
      border: 1px solid #FFFFFF54;
      &.negative {
        background: transparent;
        border-radius: 2px;
        border: 1px solid transparent;
        background: linear-gradient(#262626, #262626) padding-box, linear-gradient(305.13deg, #F96C6E 22.41%, rgba(255, 164, 165, 0.42) 80.51%) border-box;
      }
      &.gray.filled {
        background: #FFFFFF;
      }
      &.red.filled {
        background: #FF3737;
      }
    }
  }
</style>