<script setup>
const props = defineProps(['content']);

import { parse } from '~/services/widgets/DiceParser';
import { AddSound } from '~/services/Sound';

const container = ref(null);
const resultText = ref("");
const steps = ref(null);
const stepsHtml = ref("");

const rollDice = () => {
    const result = parse(props.content);
    resultText.value = result.total;
    stepsHtml.value = result.steps.map(renderStep).join('');
};

const renderStep = (s) => {
    if (s.type === 'op') {
        const label = s.op === '*' ? '×' : s.op === '/' ? '÷' : s.op;
        return `<span class="step-op">${label}</span>`;
    }

    if (s.type === 'const') {
        return `<span class="step-const">${s.value}</span>`;
    }

    if (s.type === 'dice') {
        const { entry } = s;
        const { rawRolls, kept, sides, mod, value } = entry;

        const keptCopy = [...kept];
        const tagged = rawRolls.map(v => {
            const i = keptCopy.indexOf(v);
            if (i !== -1) { keptCopy.splice(i, 1); return { v, kept: true }; }
            return { v, kept: false };
        });

        let html = '';

        tagged.forEach(({ v, kept }) => {
            const isMax = v === sides, isMin = v === 1;
            const cls = !kept    ? 'roll-val dropped'
                      : isMax    ? 'roll-val max-val'
                      : isMin    ? 'roll-val min-val'
                      :            'roll-val kept';
            html += `<span class="${cls}">${v}</span>`;
        });

        if (kept.length < rawRolls.length || kept.length > 1) {
            html += `<span class="step-sum">=${value}</span>`;
        }

        return html;
    }

    return '';
};

onMounted(() => {
    AddSound(container.value);
});
</script>

<template>
    <div class="roll-widget" ref="container">
        <div class="roll-widget-body">
            <span class="result-text">{{ resultText || '-' }}</span>
            <button class="btn-primary roll-btn sound-click" @click="rollDice">
                <span class="dice-content">
                    <!-- Dice icon (SVG) -->
                    <img class="icon" src="/icons/iconoir/regular/dice-three.svg" draggable="false">
                </span>
            </button>
        </div>
        <div class="roll-widget-results">
            <span class="formula">{{ "[" + props.content + "]" }}</span>
            <div class="steps" v-html="stepsHtml"></div>
        </div>
    </div>
</template>

<style scoped>
.steps {
    margin-left: 8px;
    height: 22px;
    > {
        font-size: 12px;
    }
}
.steps :deep(.roll-val){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    padding: 1px 2px;
    border-radius: 3px;
    margin: 2px;
    font-size: 12px;
    border: 1px solid; 
}
.steps :deep(.roll-val.kept){
    background: rgba(93,184,122,0.12);
    border-color: #4a8c5c;
    color: #a8d4b4;
}

.steps :deep(.roll-val.dropped) {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-tertiary);
    text-decoration: line-through;
}

.steps :deep(.roll-val.max-val) {
    background: rgba(93,184,122,0.2);
    border-color: #5db87a;
    color: #5db87a;
}

.steps :deep(.roll-val.min-val) {
    background: rgba(201,95,95,0.12);
    border-color: #c95f5f;
    color: #c95f5f;
}

.steps :deep(.step-op)         { color: var(--color-text-secondary); padding: 0 4px; font-size: 13px; }
.steps :deep(.step-const)      { font-size: 13px; color: var(--color-text-primary); padding: 0 2px; }
.steps :deep(.step-dice-label) { font-size: 11px; color: var(--color-text-tertiary); margin-right: 2px; }
.steps :deep(.step-sum)        { font-size: 11px; color: var(--color-text-tertiary); margin-left: 2px; }
.steps :deep(.dice-mod)        { font-style: normal; margin-left: 2px; }

.result-text {
    font-size: 24px;
    vertical-align: center;
}

.roll-widget-body {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.result-text {
    margin-left: 12px;
}

.formula {
    margin-left: 12px;
    font-family: ui-monospace, monospace;
    font-size: 12px;
    color: var(--color-gray);
}

.roll-widget-results {
    display: flex;
    align-items: center;
    padding-bottom: 10px;
}

.roll-widget {
    width: 100%;
    background-color: var(--color-background-light);
    display: flex;
    flex-direction: column;
    margin-bottom: 8px;
    border-radius: 6px;
}

.roll-btn {
    padding: 8px;
    margin-right: 4px;
}

</style>