import {z} from 'zod'

export type GetApiV1ProjectsProjectIdVariablesNameArgs = {name: string, project_id: string};

export type GetApiV1ProjectsProjectIdVariablesNameOptions = {baseUrl: string, OAuth2AuthorizationCodeBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const labeledValue = z.object({version: z.number().int(), serialized_value: z.string()});

export const labelRef = z.object({version: z.number().int().nullable().optional(), ref: z.string()});

export const latestVersion = z.object({version: z.number().int(), serialized_value: z.string()});

export const rollout = z.object({labels: z.record(z.string(), z.number())});

export const valueEquals = z.object({attribute: z.string(), value: z.unknown(), kind: z.literal("value-equals").optional()});

export const valueDoesNotEqual = z.object({attribute: z.string(), value: z.unknown(), kind: z.literal("value-does-not-equal").optional()});

export const valueIsIn = z.object({attribute: z.string(), values: z.array(z.unknown()), kind: z.literal("value-is-in").optional()});

export const valueIsNotIn = z.object({attribute: z.string(), values: z.array(z.unknown()), kind: z.literal("value-is-not-in").optional()});

export const valueMatchesRegex = z.object({attribute: z.string(), pattern: z.union([z.string(), z.string()]), kind: z.literal("value-matches-regex").optional()});

export const valueDoesNotMatchRegex = z.object({attribute: z.string(), pattern: z.union([z.string(), z.string()]), kind: z.literal("value-does-not-match-regex").optional()});

export const keyIsPresent = z.object({attribute: z.string(), kind: z.literal("key-is-present").optional()});

export const keyIsNotPresent = z.object({attribute: z.string(), kind: z.literal("key-is-not-present").optional()});

export const rolloutOverride = z.object({conditions: z.array(z.discriminatedUnion("kind", [valueEquals, valueDoesNotEqual, valueIsIn, valueIsNotIn, valueMatchesRegex, valueDoesNotMatchRegex, keyIsPresent, keyIsNotPresent])), rollout: rollout});

export const variableConfig = z.object({name: z.string(), kind: z.enum(["general", "prompt"]).optional(), labels: z.record(z.string(), z.union([labeledValue, labelRef])), latest_version: latestVersion.nullable().optional(), rollout: rollout, overrides: z.array(rolloutOverride), description: z.string().nullable().optional(), json_schema: z.record(z.string(), z.unknown()).nullable().optional(), template_inputs_schema: z.record(z.string(), z.unknown()).nullable().optional(), type_name: z.string().nullable().optional(), aliases: z.array(z.string()).nullable().optional(), example: z.string().nullable().optional(), display_name: z.string().nullable().optional(), prompt_slug: 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
};

/**
 * Get Variable By Name
 * 
 * GET /v1/projects/{project_id}/variables/{name}/
 */
export const getApiV1ProjectsProjectIdVariablesName = async (args: GetApiV1ProjectsProjectIdVariablesNameArgs, options: GetApiV1ProjectsProjectIdVariablesNameOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2AuthorizationCodeBearer} = options ?? {}

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

if (OAuth2AuthorizationCodeBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2AuthorizationCodeBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/projects/${encodeURIComponent(String(args.project_id))}/variables/${encodeURIComponent(String(args.name))}/${query.size > 0 ? `?${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(variableConfig, await res.json())
};