import {z} from 'zod'

export type PublicFlowTemplatePlanRequest = {request_id: string, template_id: string, template_version: number, parameters?: ({[key: string]: string | number | number | boolean | Array<string> | null}) | undefined, workflow_id?: (string | null) | undefined, expected_definition_digest?: (string | null) | undefined};

export type CreateApiV2PublicWorkflowsTemplatesPlanArgs = {workspace_id?: (string | null) | undefined, 'X-Workspace-Code'?: string | undefined, body: PublicFlowTemplatePlanRequest};

export type CreateApiV2PublicWorkflowsTemplatesPlanOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const publicFlowFieldChange = z.object({key: z.string(), before: z.union([z.string(), z.number().int(), z.number(), z.boolean(), z.array(z.string())]).nullable().optional(), after: z.union([z.string(), z.number().int(), z.number(), z.boolean(), z.array(z.string())]).nullable().optional()});

export const publicFlowFieldState = z.object({present: z.boolean(), value: z.union([z.string(), z.number().int(), z.number(), z.boolean(), z.array(z.string())]).nullable().optional()});

export const publicFlowConflict = z.object({key: z.string(), previous: publicFlowFieldState, current: publicFlowFieldState, desired: publicFlowFieldState});

export const publicFlowPlanData = z.object({workspace_id: z.string(), request_id: z.string(), workflow_id: z.string().nullable().optional(), plan_digest: z.string(), template_id: z.string(), template_version: z.number().int(), operation: z.enum(["create", "update"]), applicable: z.boolean(), parameters: z.record(z.string(), z.union([z.string(), z.number().int(), z.number(), z.boolean(), z.array(z.string())]).nullable()), changes: z.array(publicFlowFieldChange).optional(), conflicts: z.array(publicFlowConflict).optional(), preserved_fields: z.array(z.string()).optional(), blocker_codes: z.array(z.string()).optional(), required_capabilities: z.array(z.string()).optional(), construction: z.literal("inactive").optional()});

export const paginationMeta = z.object({page: z.number().int().gte(1), page_size: z.number().int().gte(1).lte(500), total: z.number().int().gte(0), next_cursor: z.string().nullable().optional()});

export const toastMessageI18n = z.object({en: z.string(), ja: z.string()});

export const toastMessage = z.object({variant: z.enum(["success", "error", "info", "warning"]), code: z.string(), message: z.string(), i18n: toastMessageI18n});

export const envelopeMeta = z.object({ctx_id: z.string(), pagination: paginationMeta.optional(), toast: toastMessage.optional()});

export const planPublicWorkflowTemplateApiV2PublicWorkflowsTemplatesPlanPost200Envelope = z.object({success: z.literal(true), data: publicFlowPlanData, meta: envelopeMeta});

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
};

/**
 * Plan Public Workflow Template
 * 
 * POST /v2/public/workflows/templates/plan
 */
export const createApiV2PublicWorkflowsTemplatesPlan = async (args: CreateApiV2PublicWorkflowsTemplatesPlanArgs, options?: CreateApiV2PublicWorkflowsTemplatesPlanOptions) => {
const {baseUrl = "https://api.sanka.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.workspace_id != null) query.append("workspace_id", String(args.workspace_id))
if (args['X-Workspace-Code'] != null) headers.set("X-Workspace-Code", String(args['X-Workspace-Code']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/public/workflows/templates/plan${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(planPublicWorkflowTemplateApiV2PublicWorkflowsTemplatesPlanPost200Envelope, await res.json())
};