import {z} from 'zod'

export type GetApiApiV1LobycoMemberCampaignsArgs = {campaignId?: string | undefined, limit?: number | undefined, offset?: number | undefined};

export type GetApiApiV1LobycoMemberCampaignsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const challengeRules = z.object({measureBy: z.object({}).nullable().optional(), unit: z.object({}).nullable().optional(), singlePurchaseOnly: z.boolean().nullable().optional()});

export const challengeAvailability = z.object({startDate: z.string(), endDate: z.string(), chainIds: z.array(z.string()).nullable().optional(), storeIds: z.array(z.string()).nullable().optional(), maxActivations: z.number().nullable().optional()});

export const challengeProgress = z.object({isComplete: z.boolean(), isActive: z.boolean(), currentValue: z.number(), targetValue: z.number(), ratio: z.number(), cardId: z.string().nullable().optional(), activatedCount: z.number(), completedAt: z.string().nullable().optional(), completedCardsCount: z.number().nullable().optional()});

export const loyaltyChallengeGoal = z.object({id: z.string(), title: z.string(), description: z.string().nullable().optional(), imageUrl: z.string().nullable().optional(), backgroundImageUrl: z.string().nullable().optional(), termsAndConditions: z.string().nullable().optional(), rules: challengeRules, availability: challengeAvailability, progress: challengeProgress.nullable().optional(), progressLabel: z.string().nullable().optional(), completionLabel: z.string().nullable().optional()});

export const loyaltyReward = z.object({title: z.string(), description: z.string().nullable().optional(), imageUrl: z.string().nullable().optional(), brand: z.string().nullable().optional(), discountLabel: z.string().nullable().optional(), preactivated: z.boolean(), maxRedemptions: z.number().nullable().optional(), defaultValidDays: z.number().nullable().optional()});

export const stepCouponAvailability = z.object({startDate: z.string().nullable().optional(), endDate: z.string().nullable().optional(), chainIds: z.array(z.string()).nullable().optional(), storeIds: z.array(z.string()).nullable().optional()});

export const loyaltyStepCoupon = z.object({id: z.string(), isRedeemed: z.boolean(), activatedAt: z.string().nullable().optional(), redemptionLimit: z.number().nullable().optional(), redeemedCount: z.number(), availability: stepCouponAvailability});

export const loyaltyCampaignStep = z.object({id: z.string(), name: z.string().nullable().optional(), order: z.number(), status: z.object({}).nullable().optional(), validFrom: z.string().nullable().optional(), validTo: z.string().nullable().optional(), goal: loyaltyChallengeGoal.nullable().optional(), reward: loyaltyReward, coupons: z.array(loyaltyStepCoupon).nullable().optional()});

export const loyaltyCampaignProgress = z.object({totalSteps: z.number(), completedSteps: z.number(), completedStepIds: z.array(z.string()), currentStep: z.number(), currentStepId: z.string().nullable().optional(), currentValue: z.number(), targetValue: z.number(), ratio: z.number().nullable().optional()});

export const loyaltyCampaign = z.object({id: z.string().nullable().optional(), validFrom: z.string().nullable().optional(), validTo: z.string().nullable().optional(), steps: z.array(loyaltyCampaignStep), progress: loyaltyCampaignProgress.nullable().optional()});

export const loyaltyCampaignPageInfo = z.object({limit: z.number(), offset: z.number(), total: z.number().nullable().optional(), hasMore: z.boolean()});

export const getCampaignsOutput = z.object({campaigns: z.array(loyaltyCampaign), pageInfo: loyaltyCampaignPageInfo});

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
};

/**
 * List the current member's loyalty campaigns
 * 
 * GET /api/v1/lobyco/member-campaigns
 */
export const getApiApiV1LobycoMemberCampaigns = async (args: GetApiApiV1LobycoMemberCampaignsArgs, options: GetApiApiV1LobycoMemberCampaignsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.campaignId != null) query.append("campaignId", String(args.campaignId))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/lobyco/member-campaigns${query.size > 0 ? `?${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(getCampaignsOutput, await res.json())
};