import {z} from 'zod'

export type GetApiApiV1TemplatesArgs = {'X-Tenant-ID': string, category?: ('general' | 'security' | 'compliance' | 'content_safety' | 'rate_limiting' | 'access_control' | 'data_protection' | 'custom') | undefined, search?: string | undefined, tags?: string | undefined, active?: boolean | undefined, builtin?: boolean | undefined, page?: number | undefined, page_size?: number | undefined};

export type GetApiApiV1TemplatesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const policyType = z.enum(["content", "user", "risk", "cost", "context_aware", "media", "rate-limit", "budget", "time-access", "role-access", "mcp", "connector"]);

export const conditionOperator = z.enum(["equals", "not_equals", "contains", "not_contains", "contains_any", "regex", "greater_than", "less_than", "in", "not_in"]);

export const policyCondition = z.object({field: z.enum(["query", "response", "user.email", "user.role", "user.department", "user.tenant_id", "risk_score", "request_type", "connector", "cost_estimate", "media.has_faces", "media.face_count", "media.has_biometric_data", "media.nsfw_score", "media.violence_score", "media.content_safe", "media.document_type", "media.is_sensitive_document", "media.has_pii", "media.pii_types", "media.has_extracted_text", "media.extracted_text_length", "step.gate_count", "step.completion_count", "step.prior_completion_status", "step.prior_output_available", "step.last_decision", "step.first_attempt_age_seconds", "step.idempotency_key"]), operator: conditionOperator, value: z.union([z.string(), z.number(), z.boolean(), z.array(z.string())])});

export const actionType = z.enum(["block", "require_approval", "redact", "warn", "alert", "log", "route", "modify_risk"]);

export const policyAction = z.object({type: actionType, config: z.record(z.string(), z.unknown()).optional()});

export const templateVariable = z.object({name: z.string(), type: z.enum(["string", "number", "boolean", "array"]), required: z.boolean().optional(), default: z.union([z.string(), z.number(), z.boolean(), z.array(z.string())]).optional(), description: z.string().optional(), validation: z.string().optional()});

export const templateResource = z.object({id: z.string().optional(), name: z.string().optional(), display_name: z.string().optional(), description: z.string().optional(), category: z.string().optional(), subcategory: z.string().optional(), template: z.object({type: policyType.optional(), conditions: z.array(policyCondition).optional(), actions: z.array(policyAction).optional()}).optional(), variables: z.array(templateVariable).optional(), is_builtin: z.boolean().optional(), is_active: z.boolean().optional(), version: z.string().optional(), tags: z.array(z.string()).optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const paginationMeta = z.object({page: z.number().int().optional(), page_size: z.number().int().optional(), total_items: z.number().int().optional(), total_pages: z.number().int().optional()});

export const templatesListResponse = z.object({templates: z.array(templateResource).optional(), pagination: paginationMeta.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
};

/**
 * List policy templates
 * 
 * GET /api/v1/templates
 */
export const getApiApiV1Templates = async (args: GetApiApiV1TemplatesArgs, options?: GetApiApiV1TemplatesOptions) => {
const {baseUrl = "https://agent.getaxonflow.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-Tenant-ID'] != null) headers.set("X-Tenant-ID", String(args['X-Tenant-ID']))
if (args.category != null) query.append("category", String(args.category))
if (args.search != null) query.append("search", String(args.search))
if (args.tags != null) query.append("tags", String(args.tags))
if (args.active != null) query.append("active", String(args.active))
if (args.builtin != null) query.append("builtin", String(args.builtin))
if (args.page != null) query.append("page", String(args.page))
if (args.page_size != null) query.append("page_size", String(args.page_size))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/templates${query.size > 0 ? `?${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(templatesListResponse, await res.json())
};