import {z} from 'zod'

export type GetApiApiDashboardCreatorOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const channelSummary = z.object({id: z.number().int(), channel_id: z.string(), channel_name: z.string(), thumbnail_url: z.string().nullable(), subscriber_count: z.number().int(), tier: z.string(), category: z.string(), youtube_analytics_connected: z.boolean(), videos_count: z.number().int(), optimized_count: z.number().int(), active_optimizations: z.number().int()});

export const trialStatus = z.object({status: z.string().nullable().optional(), trial_started_at: z.string().nullable().optional(), advisory_invoice_id: z.number().int().nullable().optional(), advisory_invoice_issued_at: z.string().nullable().optional(), card_added_at: z.string().nullable().optional(), trial_lapsed_at: z.string().nullable().optional(), days_remaining: z.number().int().nullable().optional(), terminal_at: z.string().nullable().optional(), billing_paused: z.boolean().optional()});

export const billingSummary = z.object({total_paid_all_time: z.string(), pending_invoices_count: z.number().int(), pending_invoices_amount: z.string(), estimated_next_invoice: z.string(), last_payment_amount: z.string().nullable(), last_payment_date: z.string().nullable(), payment_method: z.object({}).nullable()});

export const revenueForecast = z.object({next_30_days: z.string(), next_60_days: z.string(), next_90_days: z.string()});

export const rPMHistoryPoint = z.object({date: z.string(), rpm: z.string()});

export const videoSummary = z.object({id: z.number().int(), youtube_video_id: z.string(), title: z.string(), thumbnail_url: z.string().nullable(), published_at: z.string().nullable(), current_views: z.number().int(), baseline_views: z.number().int(), incremental_views: z.number().int(), state: z.string(), optimization_status: z.string().nullable(), last_optimized_at: z.string().nullable(), excluded: z.boolean().optional(), confidence: z.number().nullable().optional(), queue: z.string().nullable().optional(), applied_at: z.string().nullable().optional(), original_title: z.string().nullable().optional(), optimized_title: z.string().nullable().optional(), original_description: z.string().nullable().optional(), optimized_description: z.string().nullable().optional(), original_tags: z.unknown(), optimized_tags: z.unknown(), original_thumbnail_url: z.string().nullable().optional(), optimized_thumbnail_url: z.string().nullable().optional(), reverted_at: z.string().nullable().optional(), optimization_cycles: z.array(z.object({})).optional()});

export const creatorDashboardResponse = z.object({channel: channelSummary, trial: trialStatus, billing: billingSummary, forecast: revenueForecast, rpm_history: z.array(rPMHistoryPoint), top_videos: z.array(videoSummary), total_videos: z.number().int(), total_incremental_views: z.number().int(), total_revenue_generated: z.string(), success_rate: z.number(), pending_disputes: z.number().int(), unread_notifications: z.number().int()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get Creator Dashboard
 * 
 * GET /api/dashboard/creator
 */
export const getApiApiDashboardCreator = async (options: GetApiApiDashboardCreatorOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/api/dashboard/creator${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(creatorDashboardResponse, await res.json())
};