import { BACKEND_URL } from "@/shared/lib/constants"
import { z } from "zod"

const politicianVoteSchema = z.object({
	vote: z.string(),
	pollId: z.number(),
	pollLabel: z.string(),
	pollDate: z.string().nullable(),
	pollUrl: z.string().nullable(),
	topics: z.array(z.string()),
})

const politicianProfileSchema = z.object({
	id: z.number(),
	label: z.string(),
	party: z.string().nullable(),
	fraction: z.string().nullable(),
	constituency: z.string().nullable(),
	mandateWon: z.string().nullable(),
	votes: z.array(politicianVoteSchema),
})

export type PoliticianProfile = z.infer<typeof politicianProfileSchema>
export type PoliticianVote = z.infer<typeof politicianVoteSchema>

export async function fetchPoliticianProfile(
	id: number,
): Promise<PoliticianProfile> {
	const res = await fetch(`${BACKEND_URL}/politicians/${id}`)
	if (!res.ok) {
		throw new Error(`Failed to fetch politician profile: ${res.status}`)
	}
	const json = await res.json()
	return politicianProfileSchema.parse(json)
}