import {z} from 'zod'

export type CreateApiV1ProjectsProjectSlugIncidentsIncidentIdArgs = {projectSlug: string, incidentId: string};

export type CreateApiV1ProjectsProjectSlugIncidentsIncidentIdOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const monitorMetric = z.union([z.object({kind: z.literal("count")}), z.object({kind: z.literal("errorRate")}), z.object({kind: z.literal("cacheHitRate")}), z.object({kind: z.literal("avg"), field: z.enum(["duration", "cost", "tokens"])}), z.object({kind: z.literal("sum"), field: z.enum(["duration", "cost", "tokens"])}), z.object({kind: z.literal("min"), field: z.enum(["duration", "cost", "tokens"])}), z.object({kind: z.literal("max"), field: z.enum(["duration", "cost", "tokens"])}), z.object({kind: z.literal("median"), field: z.enum(["duration", "cost", "tokens"])})]);

export const alertDuration = z.union([z.object({unit: z.literal("minutes"), minutes: z.number().gt(0)}), z.object({unit: z.literal("hours"), hours: z.number().gt(0)}), z.object({unit: z.literal("days"), days: z.number().gt(0)})]);

export const alertBaseline = z.object({kind: z.enum(["average", "period"]), lookback: alertDuration});

export const alertMetricThreshold = z.union([z.object({mode: z.literal("absolute"), value: z.number().gt(0)}), z.object({mode: z.literal("multiplier"), factor: z.number().gt(0), baseline: alertBaseline}), z.object({mode: z.literal("expected"), sensitivity: z.number().int().gte(1).lte(6).optional()})]);

export const alertThresholdCondition = z.object({trigger: z.literal("threshold"), metric: monitorMetric, threshold: alertMetricThreshold, direction: z.enum(["above", "below"]).optional()});

export const alertEscalatingCondition = z.object({trigger: z.literal("escalating"), metric: monitorMetric, threshold: z.union([z.object({mode: z.literal("absolute"), value: z.number().gt(0)}), z.object({mode: z.literal("multiplier"), factor: z.number().gt(0), baseline: alertBaseline}), z.object({mode: z.literal("expected"), sensitivity: z.number().int().gte(1).lte(6).optional()})]).optional(), direction: z.enum(["above", "below"]).optional(), sensitivity: z.number().int().gte(1).lte(6).optional(), window: z.object({minutes: z.number().int().gte(5)})});

export const incident = z.object({id: z.string().min(24).max(24), organizationId: z.string().min(24).max(24), projectId: z.string().min(24).max(24), sourceType: z.enum(["monitor", "signal"]), sourceId: z.string().min(24).max(24), severity: z.enum(["low", "medium", "high", "urgent"]), startedAt: z.string(), endedAt: z.string().nullable(), createdAt: z.string(), condition: z.union([alertThresholdCondition, alertEscalatingCondition]).nullable()});

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
};

/**
 * Resolve incident
 * 
 * POST /v1/projects/{projectSlug}/incidents/{incidentId}
 */
export const createApiV1ProjectsProjectSlugIncidentsIncidentId = async (args: CreateApiV1ProjectsProjectSlugIncidentsIncidentIdArgs, options?: CreateApiV1ProjectsProjectSlugIncidentsIncidentIdOptions) => {
const {baseUrl = "https://api.latitude.so", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/projects/${encodeURIComponent(String(args.projectSlug))}/incidents/${encodeURIComponent(String(args.incidentId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(incident, await res.json())
};