import {z} from 'zod'

export type GetApiApiV1ProjectsProjectUuidCodeAlertsArgs = {projectUuid: string, slugs?: Array<string> | undefined};

export type GetApiApiV1ProjectsProjectUuidCodeAlertsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const scheduledDeliveryAsCodeSkip = z.object({reason: z.string(), name: z.string()});

export const parameterValue = z.union([z.string(), z.number(), z.array(z.string()), z.array(z.number())]);

export const parametersValuesMap = z.record(z.string(), parameterValue);

export const fieldTarget = z.object({fieldId: z.string()});

export const filterOperator = z.enum(["isNull", "notNull", "equals", "notEquals", "startsWith", "endsWith", "include", "doesNotInclude", "lessThan", "lessThanOrEqual", "greaterThan", "greaterThanOrEqual", "inThePast", "notInThePast", "inTheNext", "inTheCurrent", "notInTheCurrent", "inBetween", "notInBetween", "inPeriodToDate"]);

export const filterRuleInput = z.object({target: fieldTarget, settings: z.unknown(), disabled: z.boolean().optional(), required: z.boolean().optional(), caseSensitive: z.boolean().optional(), operator: filterOperator, values: z.array(z.unknown()).optional(), includeNull: z.boolean().optional(), id: z.string().optional()});

export const filterGroupItemInput = z.union([z.lazy(() => filterGroupInput), filterRuleInput]);

export const orFilterGroupInput = z.object({or: z.array(filterGroupItemInput), id: z.string().optional()});

export const andFilterGroupInput = z.object({and: z.array(filterGroupItemInput), id: z.string().optional()});

export const filterGroupInput: z.ZodType<FilterGroupInput> = z.union([orFilterGroupInput, andFilterGroupInput]);

export const filtersInput = z.object({tableCalculations: filterGroupInput.optional(), metrics: filterGroupInput.optional(), dimensions: filterGroupInput.optional()});

export const notificationFrequency = z.enum(["always", "once"]);

export const thresholdOperator = z.enum(["greaterThan", "lessThan", "increasedBy", "decreasedBy"]);

export const thresholdOptions = z.object({value: z.number(), fieldId: z.string(), operator: thresholdOperator});

export const scheduledDeliveryTargetAsCode = z.union([z.object({recipient: z.string(), type: z.literal("email")}), z.object({channel: z.string(), type: z.literal("slack")})]);

export const contentAsCodeTypeALERT = z.literal("alert");

export const alertAsCode = z.object({downloadedAt: z.string().optional(), parameters: parametersValuesMap.nullable(), filters: filtersInput.nullable(), notificationFrequency: notificationFrequency, thresholds: z.array(thresholdOptions), resource: z.object({slug: z.string(), type: z.literal("chart")}), targets: z.array(scheduledDeliveryTargetAsCode), includeLinks: z.boolean(), enabled: z.boolean(), timezone: z.string().nullable(), cron: z.string(), message: z.string().nullable(), name: z.string(), slug: z.string(), version: z.number(), contentType: contentAsCodeTypeALERT});

export const apiAlertAsCodeListResponse = z.object({results: z.object({skipped: z.array(scheduledDeliveryAsCodeSkip), alerts: z.array(alertAsCode)}), status: z.literal("ok")});

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 alerts as code
 * 
 * GET /api/v1/projects/{projectUuid}/code/alerts
 */
export const getApiApiV1ProjectsProjectUuidCodeAlerts = async (args: GetApiApiV1ProjectsProjectUuidCodeAlertsArgs, options: GetApiApiV1ProjectsProjectUuidCodeAlertsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.slugs ?? []) query.append("slugs", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/projects/${encodeURIComponent(String(args.projectUuid))}/code/alerts${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(apiAlertAsCodeListResponse, await res.json())
};