import {z} from 'zod'

export type PricingSource = 'built_in' | 'meta_org' | 'org';

export type TierOperator = 'gt' | 'gte' | 'lt' | 'lte' | 'eq' | 'neq';

export type TierCondition = {operator?: TierOperator | undefined, usage_key?: string | undefined, value?: number | undefined};

export type RuleOp = 'in' | 'not_in' | 'exists' | 'not_exists' | 'gt' | 'gte' | 'lt' | 'lte' | 'unknown';

export type TierRule = {keys?: Array<string> | undefined, op?: RuleOp | undefined, value?: (number | null) | undefined, values?: Array<string> | undefined};

export type UtcTimeWindow = {end_minute?: number | undefined, start_minute?: number | undefined};

export type PricingTierDefinition = {condition?: (TierCondition | null) | undefined, name?: string | undefined, prices?: {[key: string]: number} | undefined, priority?: number | undefined, rules?: Array<TierRule> | undefined, utc_windows?: Array<UtcTimeWindow> | undefined};

export type ModelPricingDefinition = {children?: Array<Record<string, never>> | undefined, created_at?: number | undefined, description?: string | undefined, enabled?: boolean | undefined, id?: (string | null) | undefined, match_pattern?: string | undefined, name?: string | undefined, org_id?: string | undefined, provider?: string | undefined, sort_order?: number | undefined, source?: PricingSource | undefined, tiers?: Array<PricingTierDefinition> | undefined, updated_at?: number | undefined, valid_from?: (number | null) | undefined};

export type UpdateApiApiOrgIdLlmModelsModelIdArgs = {org_id: string, model_id: string, body: ModelPricingDefinition};

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

export const pricingSource = z.enum(["built_in", "meta_org", "org"]);

export const tierOperator = z.enum(["gt", "gte", "lt", "lte", "eq", "neq"]);

export const tierCondition = z.object({operator: tierOperator.optional(), usage_key: z.string().optional(), value: z.number().optional()});

export const ruleOp = z.enum(["in", "not_in", "exists", "not_exists", "gt", "gte", "lt", "lte", "unknown"]);

export const tierRule = z.object({keys: z.array(z.string()).optional(), op: ruleOp.optional(), value: z.number().nullable().optional(), values: z.array(z.string()).optional()});

export const utcTimeWindow = z.object({end_minute: z.number().int().gte(0).optional(), start_minute: z.number().int().gte(0).optional()});

export const pricingTierDefinition = z.object({condition: tierCondition.nullable().optional(), name: z.string().optional(), prices: z.record(z.string(), z.number()).optional(), priority: z.number().int().optional(), rules: z.array(tierRule).optional(), utc_windows: z.array(utcTimeWindow).optional()});

export const modelPricingDefinition = z.object({children: z.array(z.object({})).optional(), created_at: z.number().int().optional(), description: z.string().optional(), enabled: z.boolean().optional(), id: z.string().nullable().optional(), match_pattern: z.string().optional(), name: z.string().optional(), org_id: z.string().optional(), provider: z.string().optional(), sort_order: z.number().int().optional(), source: pricingSource.optional(), tiers: z.array(pricingTierDefinition).optional(), updated_at: z.number().int().optional(), valid_from: z.number().int().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 a model pricing definition
 * 
 * PUT /api/{org_id}/llm/models/{model_id}
 */
export const updateApiApiOrgIdLlmModelsModelId = async (args: UpdateApiApiOrgIdLlmModelsModelIdArgs, options: UpdateApiApiOrgIdLlmModelsModelIdOptions) => {
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/${encodeURIComponent(String(args.org_id))}/llm/models/${encodeURIComponent(String(args.model_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(modelPricingDefinition, await res.json())
};