import {z} from 'zod'

export type SequenceStepVariantPayload = {content?: string | undefined, preheader?: string | undefined, subject?: string | undefined, connectionNote?: string | undefined, message?: string | undefined, title?: string | undefined, action?: Record<string, never> | undefined};

export type Variant = {payload?: SequenceStepVariantPayload | undefined, taskNote?: string | undefined, attachmentIds?: Array<string> | undefined};

export type CreateSequenceStepDto = {type: 'Email' | 'LinkedInConnectionRequest' | 'LinkedInMessage' | 'LinkedInInMail' | 'LinkedInViewProfile' | 'LinkedInPostInteration' | 'Custom' | 'CallIntroduction' | 'CallDemo' | 'CallFollowUp' | 'CallReminder' | 'CallOther' | 'WhatsappMessage' | 'WhatsappVoiceMessage' | 'WhatsappVoiceCall', priority?: ('Urgent' | 'High' | 'Normal' | 'Low') | undefined, assigneeId?: string | undefined, variants: Array<Variant>, absoluteDays: number};

export type CreateApiV1SequencesSequenceIdStepsArgs = {sequenceId: string, body: CreateSequenceStepDto};

export type CreateApiV1SequencesSequenceIdStepsOptions = {baseUrl: string, xApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const sequenceStep = z.object({id: z.string().optional(), name: z.string().optional(), number: z.number().optional(), type: z.number().optional(), absoluteDays: z.number().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
};

/**
 * Create a new step for a sequence
 * 
 * POST /v1/sequences/{sequenceId}/steps
 */
export const createApiV1SequencesSequenceIdSteps = async (args: CreateApiV1SequencesSequenceIdStepsArgs, options: CreateApiV1SequencesSequenceIdStepsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, xApiKey} = options ?? {}

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

if (xApiKey !== undefined) headers.set("x-api-key", xApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/sequences/${encodeURIComponent(String(args.sequenceId))}/steps${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(sequenceStep, await res.json())
};