import {z} from 'zod'

export type TemplateButton = {type: 'QUICK_REPLY' | 'URL' | 'PHONE_NUMBER' | 'SMART_LINK' | 'COPY_CODE' | 'FLOW' | 'CHARGE', text: string, url?: (string | null) | undefined, phone?: (string | null) | undefined, flowId?: (string | null) | undefined, extraConfig?: ({[key: string]: unknown} | null) | undefined};

export type CarouselCard = {mediaUrl: string, body: string, buttons?: (Array<TemplateButton> | null) | undefined};

export type CreateTemplateRequest = {name: string, category: 'MARKETING' | 'UTILITY' | 'AUTHENTICATION', body: string, language?: string | undefined, header?: (string | null) | undefined, headerType?: ('text' | 'media' | 'document' | null) | undefined, footer?: (string | null) | undefined, buttons?: (Array<TemplateButton> | null) | undefined, samples?: ({[key: string]: string} | null) | undefined, variableExamples?: (Array<string> | null) | undefined, carouselCards?: (Array<CarouselCard> | null) | undefined};

export type CreateApiV1TemplatesArgs = {body: CreateTemplateRequest};

export type CreateApiV1TemplatesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const templateResponse = z.object({id: z.string(), name: z.string(), formattedName: z.string(), category: z.string(), originalCategory: z.string().nullable().optional(), language: z.string(), providerName: z.string(), providerTemplateId: z.string(), providerStatus: z.string(), rejectionReason: z.string().nullable().optional(), availableForSending: z.boolean(), unavailableReason: z.string().nullable().optional(), bodyPreview: z.string().nullable().optional(), structureJson: z.record(z.string(), z.unknown()), usageGuide: z.record(z.string(), z.unknown()).nullable().optional(), variablesSchema: z.record(z.string(), z.string()).nullable().optional(), createdAt: z.string(), updatedAt: z.string().nullable().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
};

/**
 * Criar template
 * 
 * POST /v1/templates
 */
export const createApiV1Templates = async (args: CreateApiV1TemplatesArgs, options?: CreateApiV1TemplatesOptions) => {
const {baseUrl = "https://api.ararahq.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/templates${query.size > 0 ? `?${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(templateResponse, await res.json())
};