import {z} from 'zod'

export type GetApiServiceProvidersSpIdOnboardingTemplatesArgs = {sp_id: string};

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

export const smartRuleAction = z.enum(["Show", "Hide"]);

export const smartRuleOperator = z.enum(["Is Equal To", "Is Not Equal To", "Is Empty", "Is Filled"]);

export const smartRuleConditionStatement = z.object({operator: smartRuleOperator, targetFieldId: z.string(), targetValue: z.string().optional()});

export const smartRule = z.object({action: smartRuleAction, conditions: z.array(smartRuleConditionStatement)});

export const customFieldType = z.enum(["textSingleLine", "textMultiLine", "radio", "select", "checkbox", "date", "file", "fileDownload", "displayContent", "hyperlink"]);

export const requirementTypeBankCustom = z.literal("bank_custom");

export const requirementTypeBusinessLicense = z.literal("business_license");

export const requirementTypeEmployeeLicense = z.literal("employee_license");

export const requirementTypeGcvStandard = z.literal("gcv_standard");

export const requirementCategory = z.enum(["financial", "insurance", "legal", "license", "operational"]);

export const onboardingTemplate = z.object({template_id: z.string(), date_created: z.string(), date_updated: z.string(), updated_by: z.string(), created_by: z.string(), published_date: z.string().optional(), published_by: z.string().optional(), version: z.string(), name: z.string(), description: z.string(), custom_field_sections: z.array(z.object({smart_rule: smartRule.optional(), fields: z.array(z.object({attachments: z.array(z.object({id: z.string(), file_name: z.string()})).optional(), paragraph: z.string().optional(), smart_rule: smartRule.optional(), required: z.boolean().optional(), helpText: z.string().optional(), label: z.string(), type: customFieldType, id: z.string()})), order: z.number(), description: z.string().optional(), label: z.string(), section_id: z.string()})), document_requirements: z.array(z.object({type: z.union([requirementTypeBankCustom, requirementTypeBusinessLicense, requirementTypeEmployeeLicense, requirementTypeGcvStandard]), archived: z.boolean().optional(), required: z.boolean(), attachments: z.array(z.object({id: z.string(), file_name: z.string()})).optional(), category: requirementCategory, description: z.string(), name: z.string(), requirement_id: z.string()}))});

export const getApiServiceProvidersSpIdOnboardingTemplatesResponse = z.array(onboardingTemplate);

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 service provider onboarding templates
 * 
 * GET /service-providers/{sp_id}/onboarding-templates
 */
export const getApiServiceProvidersSpIdOnboardingTemplates = async (args: GetApiServiceProvidersSpIdOnboardingTemplatesArgs, options?: GetApiServiceProvidersSpIdOnboardingTemplatesOptions) => {
const {baseUrl = "https://sandbox-api.greencheckverified.com", fetch: fetchFn = fetch, accessAuth} = options ?? {}

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

if (accessAuth !== undefined) headers.set("Authorization", accessAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/service-providers/${encodeURIComponent(String(args.sp_id))}/onboarding-templates${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(getApiServiceProvidersSpIdOnboardingTemplatesResponse, await res.json())
};