import {z} from 'zod'

export type CreateApiCasesTemplatesArgs = {'X-CSRF-Protection': boolean, body: {case_definition: {inputs: Array<{choices?: Array<string> | undefined, default_value: string, description?: string | undefined, label: string, max?: number | undefined, min?: number | undefined, unit?: string | undefined, value_type: 'number' | 'smiles' | 'string' | 'tuple' | 'array' | 'enum' | 'file', variable_name: string}>, outputs: Array<{cell_index?: number | undefined, description?: string | undefined, figure_index?: number | undefined, name: string, type: 'number' | 'image', unit?: string | undefined, variable_name?: string | undefined}>, validations: Array<{cell_index?: number | undefined, method: 'prompt', name: string, prompt: string}>}, case_template_group: {id: string} | {description: string, title: string}, description: string, files?: {[key: string]: string} | undefined, notebook_content: {[key: string]: unknown}, steps?: Array<string> | undefined, title: string}};

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

export const createApiCasesTemplatesResponse = z.object({data: z.object({case_definition: z.object({inputs: z.array(z.object({choices: z.array(z.string()), default_value: z.string(), description: z.string(), label: z.string(), max: z.number().optional(), min: z.number().optional(), unit: z.string().optional(), value_type: z.enum(["number", "smiles", "string", "tuple", "array", "enum", "file"]), variable_name: z.string()})), outputs: z.array(z.object({cell_index: z.number().int().gte(0).optional(), description: z.string(), figure_index: z.number().int().gte(0).optional(), name: z.string(), type: z.enum(["number", "image"]), unit: z.string().optional(), variable_name: z.string().optional()})), validations: z.array(z.object({cell_index: z.number().int().gte(0).optional(), method: z.literal("prompt"), name: z.string(), prompt: z.string()}))}), case_template_group_id: z.string(), created_at: z.string(), description: z.string(), id: z.string(), is_official: z.boolean(), owner: z.object({id: z.string(), name: z.string()}).optional(), steps: z.array(z.string()), title: z.string().min(1).max(255), updated_at: z.string()})});

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
};

/**
 * Create a new case template
 * 
 * POST /cases/templates
 */
export const createApiCasesTemplates = async (args: CreateApiCasesTemplatesArgs, options: CreateApiCasesTemplatesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, backendAuth} = options ?? {}

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

if (args['X-CSRF-Protection'] != null) headers.set("X-CSRF-Protection", String(args['X-CSRF-Protection']))
if (backendAuth !== undefined) cookies.push("mtls-prd=" + encodeURIComponent(backendAuth))

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