<template>
    <div class="flex flex-col gap-3 max-w-md w-full">
        <!-- Row 1: postcode + button -->
        <div class="flex flex-col sm:flex-row gap-3">
            <div class="relative flex-1">
                <label for="postcode-input" class="sr-only">Postcode or city</label>
                <button
                    :disabled="locating"
                    aria-label="Use my location"
                    class="absolute right-3 top-1/2 -translate-y-1/2 flex items-center gap-1.5 px-3 py-1.5
                    bg-primary/85
                    text-white rounded-sm  text-sm font-semibold transition-opacity hover:opacity-80"
                    type="button"
                    @click="useMyLocation"
                >
                    <iconify-icon :class="{ 'animate-spin': locating }" :icon="locating ? 'lucide:loader-circle' : 'lucide:map-pin'" style="font-size:1rem"></iconify-icon>
					<span class="hidden md:inline-flex">Near me</span>
                </button>
                <input
                    id="postcode-input"
                    v-model="postcode"
                    type="text"
                    placeholder="Enter postcode, e.g. SW1A 1AA"
                    class="w-full h-14 pr-28 pl-4 bg-white border border-zinc-300 rounded-xl focus:outline-none focus:ring-2 focus:ring-accent shadow-inner text-base"
                    @keyup.enter="onSearch"
                />
            </div>
            <button
                @click="onSearch"
                :disabled="!postcode.trim()"
                class="h-14 px-8 bg-primary text-white rounded-xl font-bold text-base shadow-xl hover:bg-primary-dark transition-all disabled:cursor-not-allowed"
            >
                Find Prices
            </button>
        </div>

        <!-- Row 2: fuel type + radius + sort -->
        <div class="grid grid-cols-3 gap-2">
            <select
                v-model="fuelType"
                aria-label="Fuel type"
                class="min-w-0 h-10 px-2 bg-white border border-zinc-300 rounded-xl text-sm font-medium text-zinc-700 focus:outline-none focus:ring-2 focus:ring-accent truncate"
            >
                <option value="e10">Petrol (E10)</option>
                <option value="e5">Premium (E5)</option>
                <option value="b7_standard">Diesel (B7)</option>
                <option value="b7_premium">Prem Diesel</option>
                <option value="b10">Diesel (B10)</option>
                <option value="hvo">HVO</option>
            </select>
            <select
                v-model="radius"
                aria-label="Search radius"
                class="min-w-0 h-10 px-2 bg-white border border-zinc-300 rounded-xl text-sm font-medium text-zinc-700 focus:outline-none focus:ring-2 focus:ring-accent"
            >
                <option :value="2">2 miles</option>
                <option :value="5">5 miles</option>
                <option :value="10">10 miles</option>
                <option :value="20">20 miles</option>
            </select>
            <select
                v-model="sort"
                aria-label="Sort by"
                class="min-w-0 h-10 px-2 bg-white border border-zinc-300 rounded-xl text-sm font-medium text-zinc-700 focus:outline-none focus:ring-2 focus:ring-accent"
            >
                <option value="price">Price</option>
                <option value="distance">Distance</option>
                <option value="updated">Updated</option>
                <option value="brand">Brand</option>
                <option value="reliable">Reliable</option>
            </select>
        </div>
    </div>
</template>

<script setup>
import { ref } from 'vue'

const emit = defineEmits(['search'])

const postcode = ref('')
const fuelType = ref('e10')
const radius = ref(10)
const sort = ref('price')
const locating = ref(false)

function useMyLocation() {
    if (!navigator.geolocation) return
    locating.value = true
    navigator.geolocation.getCurrentPosition(
        async ({ coords }) => {
            try {
                const res = await fetch(`https://api.postcodes.io/postcodes?lon=${coords.longitude}&lat=${coords.latitude}&limit=1`)
                const json = await res.json()
                if (json.result?.[0]?.postcode) {
                    postcode.value = json.result[0].postcode
                    onSearch()
                }
            } finally {
                locating.value = false
            }
        },
        () => { locating.value = false },
        { timeout: 8000, enableHighAccuracy: false, maximumAge: 30000 },
    )
}

function onSearch() {
    if (!postcode.value.trim()) return
    emit('search', {
        postcode: postcode.value.trim(),
        fuelType: fuelType.value,
        radius: radius.value,
        sort: sort.value,
    })
}
</script>
