import {z} from 'zod'

export type GetApiV1CampaignTemplatesArgs = {pageSize?: number | undefined, skip?: number | undefined, sort?: string | undefined, state?: ('draft' | 'enabled' | 'disabled') | undefined, name?: string | undefined, tags?: string | undefined, userId?: number | undefined};

export type GetApiV1CampaignTemplatesOptions = {baseUrl?: string | undefined, managerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const codeGeneratorSettings = z.object({validCharacters: z.array(z.string()), couponPattern: z.string().min(3).max(100)});

export const campaignTemplateCouponReservationSettings = z.object({reservationLimit: z.number().int().gte(0).lte(999999).optional(), isReservationMandatory: z.boolean().optional()});

export const templateLimitConfig = z.object({action: z.string(), limit: z.number().gte(0), period: z.enum(["daily", "weekly", "monthly", "yearly"]).optional(), entities: z.array(z.enum(["Coupon", "Referral", "Profile", "Identifier", "Store", "Session"]))});

export const campaignTemplateParams = z.object({name: z.string().min(1), type: z.enum(["string", "number", "boolean", "percent", "(list string)", "(list number)", "time"]), description: z.string(), attributeId: z.number().int().optional()});

export const campaignTemplateCollection = z.object({name: z.string().min(1), description: z.string().optional()});

export const campaignTemplate = z.object({id: z.number().int(), created: z.string(), accountId: z.number().int(), userId: z.number().int(), name: z.string().min(1), description: z.string(), instructions: z.string(), campaignAttributes: z.object({}).optional(), couponAttributes: z.object({}).optional(), state: z.enum(["draft", "enabled", "disabled"]), activeRulesetId: z.number().int().optional(), tags: z.array(z.string().min(1).max(50)).optional(), reevaluateOnReturn: z.boolean(), features: z.array(z.enum(["coupons", "referrals", "loyalty", "giveaways", "strikethrough", "achievements", "advancedEvents"])).optional(), couponSettings: codeGeneratorSettings.optional(), couponReservationSettings: campaignTemplateCouponReservationSettings.optional(), referralSettings: codeGeneratorSettings.optional(), limits: z.array(templateLimitConfig).optional(), templateParams: z.array(campaignTemplateParams).optional(), applicationsIds: z.array(z.number().int()), campaignCollections: z.array(campaignTemplateCollection).optional(), defaultCampaignGroupId: z.number().int().optional(), campaignType: z.enum(["cartItem", "advanced"]), campaignsCount: z.number().int().optional(), updated: z.string().optional(), updatedBy: z.string().optional(), validApplicationIds: z.array(z.number().int()), isUserFavorite: z.boolean().optional()});

export const getApiV1CampaignTemplatesResponse = z.object({hasMore: z.boolean(), data: z.array(campaignTemplate)});

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 campaign templates
 * 
 * GET /v1/campaign_templates
 * 
 * Also accepts auth: management_key
 */
export const getApiV1CampaignTemplates = async (args: GetApiV1CampaignTemplatesArgs, options?: GetApiV1CampaignTemplatesOptions) => {
const {baseUrl = "https://yourbaseurl.talon.one", fetch: fetchFn = fetch, managerAuth} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.state != null) query.append("state", String(args.state))
if (args.name != null) query.append("name", String(args.name))
if (args.tags != null) query.append("tags", String(args.tags))
if (args.userId != null) query.append("userId", String(args.userId))
if (managerAuth !== undefined) headers.set("Authorization", managerAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/campaign_templates${query.size > 0 ? `?${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(getApiV1CampaignTemplatesResponse, await res.json())
};