import {z} from 'zod'

export type CountQuery = {sql: string, stream: string, stream_type: string};

export type CountSource = {mode: 'single_query', query: {good_expr: string, scope?: (string | null) | undefined, stream: string, stream_type: string}} | {mode: 'dual_query', query: {good: CountQuery, total: CountQuery}} | {mode: 'prom_ql', query: {good: string, total: string}};

export type Operator = '=' | '!=' | '>' | '>=' | '<' | '<=' | 'contains' | 'not_contains' | 'is_null' | 'is_not_null' | 'is_empty' | 'is_not_empty';

export type QueryLanguage = 'sql' | 'prom_ql';

export type Slo = {config: {source: CountSource}, sli_type: 'count', group_by?: (Array<string> | null) | undefined, slice_interval_secs: number, window_secs: number, definition_generation?: number | undefined, description?: string | undefined, enabled?: boolean | undefined, folder_id?: string | undefined, groups_estimate?: (number | null) | undefined, groups_reserved?: number | undefined, id?: string | undefined, name: string, org?: string | undefined, owner?: (string | null) | undefined, tags?: Array<string> | undefined, target: number} | {config: {absent_is_bad?: boolean | undefined, comparator: Operator, query: string, query_language: QueryLanguage, scope?: (string | null) | undefined, stream: string, stream_type: string, threshold: number}, sli_type: 'time_slice', group_by?: (Array<string> | null) | undefined, slice_interval_secs: number, window_secs: number, definition_generation?: number | undefined, description?: string | undefined, enabled?: boolean | undefined, folder_id?: string | undefined, groups_estimate?: (number | null) | undefined, groups_reserved?: number | undefined, id?: string | undefined, name: string, org?: string | undefined, owner?: (string | null) | undefined, tags?: Array<string> | undefined, target: number} | {config: {alert_id: string}, sli_type: 'alert', group_by?: (Array<string> | null) | undefined, slice_interval_secs: number, window_secs: number, definition_generation?: number | undefined, description?: string | undefined, enabled?: boolean | undefined, folder_id?: string | undefined, groups_estimate?: (number | null) | undefined, groups_reserved?: number | undefined, id?: string | undefined, name: string, org?: string | undefined, owner?: (string | null) | undefined, tags?: Array<string> | undefined, target: number};

export type UpdateApiApiOrgIdSlosSloIdArgs = {org_id: string, slo_id: string, body: Slo};

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

export const httpResponse = z.object({code: z.number().int().gte(0), error_detail: z.string().nullable().optional(), hint: z.string().nullable().optional(), id: z.string().nullable().optional(), message: z.string(), name: z.string().nullable().optional(), suggestions: z.array(z.string()).nullable().optional(), trace_id: z.string().nullable().optional(), warnings: z.array(z.string()).nullable().optional()});

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
};

/**
 * Update an SLO
 * 
 * PUT /api/{org_id}/slos/{slo_id}
 */
export const updateApiApiOrgIdSlosSloId = async (args: UpdateApiApiOrgIdSlosSloIdArgs, options: UpdateApiApiOrgIdSlosSloIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.org_id))}/slos/${encodeURIComponent(String(args.slo_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", headers, body: JSON.stringify(args.body)})

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

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