import type { RequestEvent, RequestHandlerOutput } from '@sveltejs/kit'
import { fetchAPI } from '$utils/api'

export const photoFields = `
    title
    slug
    city
    image {
        id
        title
        width, height
    }
    date_taken
    date_created
`

export async function GET ({ params }: RequestEvent): Promise<RequestHandlerOutput> {
    try {
        const { location: slug } = params

        // Query
        const res = await fetchAPI(`
            query {
                location (
                    filter: {
                        slug: { _eq: "${slug}" },
                        status: { _eq: "published" },
                    },
                ) {
                    id
                    name
                    slug
                    description
                    date_updated
                    illustration_desktop { id }
                    illustration_desktop_2x { id }
                    illustration_mobile { id }
                    credits {
                        credit_id {
                            name
                            website
                        }
                    }
                    country {
                        name
                        slug
                    }
                    has_poster
                }

                photos: photo (
                    filter: {
                        location: { slug: { _eq: "${slug}" }}
                    },
                    sort: "-date_created",
                    limit: ${import.meta.env.VITE_LIST_AMOUNT},
                    page: 1,
                ) {
                    ${photoFields}
                }

                # Total
                total_published: photo_aggregated (filter: { location: { slug: { _eq: "${slug}" }}}) {
                    count { location }
                }
            }
        `)
        const { data: { location: location, photos, total_published }} = res

        if (params.country !== location[0].country.slug || !location.length) {
            return { status: 404 }
        }

        return {
            body: {
                location: location[0],
                photos: photos,
                totalPhotos: photos.length ? total_published[0].count.location : 0,
            }
        }
    } catch (error) {
        return {
            status: 404,
            body: error,
        }
    }
}