import {z} from 'zod'

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

export const campaignsPageCampaign = z.object({id: z.string(), name: z.string(), status: z.string(), created_at: z.string(), goal_met_label: z.string().optional(), total_audience: z.number().int().optional(), total_sent: z.number().int().optional(), total_replied: z.number().int().optional(), total_goal_met: z.number().int().optional(), action_required: z.number().int().optional(), ongoing: z.number().int().optional(), won: z.number().int().optional()});

export const campaignReasoningNote = z.object({headline: z.string().optional(), narrative: z.string().optional()});

export const campaignReasoning = z.object({launch: campaignReasoningNote.nullable().optional(), audience: campaignReasoningNote.nullable().optional()});

export const campaignsPageWave = z.object({campaign_id: z.string(), campaign_name: z.string().optional(), goal_noun: z.string().optional(), reasoning: campaignReasoning.nullable().optional()});

export const campaignsPagePlay = z.object({play_key: z.string(), name: z.string(), description: z.string().optional(), trigger_line: z.string().optional(), audience_rule: z.string().optional(), goal: z.string().optional(), state: z.string().optional(), launched: campaignsPageWave.nullable().optional()});

export const campaignsPageResponse = z.object({campaigns: z.array(campaignsPageCampaign), plays: z.array(campaignsPagePlay), recommended_count: z.number().int().optional()});

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 Campaigns Page
 * 
 * GET /campaigns/page
 */
export const getApiCampaignsPage = async (options: GetApiCampaignsPageOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/campaigns/page${query.size > 0 ? `?${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(campaignsPageResponse, await res.json())
};