import {z} from 'zod'

export type VersionEventType = 'VERSION_CREATED' | 'VERSION_ACTIVATED' | 'VERSION_FAILED' | 'VERSION_DRAINING' | 'VERSION_RETIRED' | 'VERSION_ROLLED_BACK_FROM' | 'VERSION_ROLLED_BACK_TO' | 'VERSION_REDEPLOYED' | 'TASKS_MIGRATED' | 'VERSION_CLEANUP_FAILED';

export type GetApiBranchesBranchIdEventsArgs = {branch_id: string, event_type?: (VersionEventType | null) | undefined, after_sequence_id?: (number | null) | undefined, before_sequence_id?: (number | null) | undefined, limit?: number | undefined, descending?: boolean | undefined};

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

export const versionStatus = z.enum(["DEPLOYING", "ACTIVE", "FAILED", "UNHEALTHY", "DRAINING", "RETIRED", "ROLLED_BACK"]);

export const versionEventTrigger = z.enum(["deploy", "container_register", "rollback", "hot_swap", "helm_failure", "redeploy", "cleanup", "manual"]);

export const versionEventContent = z.object({actor_email: z.string().nullable().optional(), container_logs: z.string().nullable().optional(), container_logs_container_name: z.string().nullable().optional(), container_logs_fetched_at: z.string().nullable().optional(), container_logs_pod_name: z.string().nullable().optional(), container_logs_source: z.string().nullable().optional(), container_logs_truncated: z.boolean().nullable().optional(), container_logs_unavailable_reason: z.string().nullable().optional(), error_message: z.string().nullable().optional(), failure_reason: z.string().nullable().optional(), from_version_id: z.string().nullable().optional(), git_hash: z.string().nullable().optional(), migrated_task_count: z.number().int().nullable().optional(), migrated_task_ids: z.array(z.string()).nullable().optional(), new_status: versionStatus.nullable().optional(), previous_status: versionStatus.nullable().optional(), target_version_id: z.string().nullable().optional(), triggered_by: versionEventTrigger.nullable().optional()});

export const versionEventType = z.enum(["VERSION_CREATED", "VERSION_ACTIVATED", "VERSION_FAILED", "VERSION_DRAINING", "VERSION_RETIRED", "VERSION_ROLLED_BACK_FROM", "VERSION_ROLLED_BACK_TO", "VERSION_REDEPLOYED", "TASKS_MIGRATED", "VERSION_CLEANUP_FAILED"]);

export const versionEventResponse = z.object({actor_id: z.string().nullable().optional(), branch_id: z.string(), content: versionEventContent.nullable().optional(), created_at: z.string(), event_type: versionEventType, id: z.string(), sequence_id: z.number().int(), version_id: z.string()});

export const versionEventListResponse = z.object({events: z.array(versionEventResponse), has_more: z.boolean(), total: z.number().int()});

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 Branch Events
 * 
 * GET /branches/{branch_id}/events
 */
export const getApiBranchesBranchIdEvents = async (args: GetApiBranchesBranchIdEventsArgs, options: GetApiBranchesBranchIdEventsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.event_type != null) query.append("event_type", String(args.event_type))
if (args.after_sequence_id != null) query.append("after_sequence_id", String(args.after_sequence_id))
if (args.before_sequence_id != null) query.append("before_sequence_id", String(args.before_sequence_id))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.descending != null) query.append("descending", String(args.descending))

const url = `${baseUrl.replace(/\/+$/, '')}/branches/${encodeURIComponent(String(args.branch_id))}/events${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(versionEventListResponse, await res.json())
};