import {z} from 'zod'

export type AICampaignBrief = {business_name?: string | undefined, business_description?: string | undefined, landing_page_url?: string | undefined, campaign_goal?: string | undefined, daily_budget_micros?: number | undefined, suggestion_count?: number | undefined, geo_targets?: Array<string> | undefined};

export type CreateApiApiAppsAppIdGoogleAdsCampaignsAiSuggestionsArgs = {app_id: string, body: AICampaignBrief};

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

export const googleAdsCampaignSuggestionDraft = z.object({campaign_name: z.string(), campaign_type: z.string(), business_name: z.string(), landing_page: z.string(), daily_budget_micros: z.number().int(), headlines: z.array(z.string()), descriptions: z.array(z.string()), keyword_themes: z.array(z.string()), settings: z.record(z.string(), z.string()), logo_url: z.string(), images: z.array(z.string())});

export const googleAdsCampaignSuggestion = z.object({id: z.string(), title: z.string(), subtitle: z.string(), campaign_type: z.string(), estimated_daily_clicks: z.number().int(), estimate_source: z.string(), payload: googleAdsCampaignSuggestionDraft});

export const googleAdsCampaignSuggestions = z.object({suggestions: z.array(googleAdsCampaignSuggestion), language: z.string().nullable().optional(), source: z.string()});

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
};

/**
 * Suggest Google Ads campaigns
 * 
 * POST /api/apps/{app_id}/google-ads/campaigns/ai-suggestions
 * 
 * Also accepts auth: WorkspaceApiKeyAuth, WorkspaceApiKeyBearerAuth
 */
export const createApiApiAppsAppIdGoogleAdsCampaignsAiSuggestions = async (args: CreateApiApiAppsAppIdGoogleAdsCampaignsAiSuggestionsArgs, options?: CreateApiApiAppsAppIdGoogleAdsCampaignsAiSuggestionsOptions) => {
const {baseUrl = "https://app.base44.com", fetch: fetchFn = fetch, PersonalAccessTokenAuth} = options ?? {}

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

if (PersonalAccessTokenAuth !== undefined) headers.set('authorization', `Bearer ${PersonalAccessTokenAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/apps/${encodeURIComponent(String(args.app_id))}/google-ads/campaigns/ai-suggestions${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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