import {z} from 'zod'

export type CreateApiV3FreeToolsSeoAuditArgs = {body: {url: string}};

export type CreateApiV3FreeToolsSeoAuditOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV3FreeToolsSeoAuditResponse = z.object({overallScore: z.number().optional(), totalTests: z.number().optional(), passedTests: z.number().optional(), categoryScores: z.record(z.string(), z.unknown()).optional(), url: z.string().optional(), timestamp: z.string().optional(), auditSummary: z.record(z.string(), z.unknown()).optional(), categories: z.object({commonSeoIssues: z.object({name: z.string().optional(), score: z.number().optional(), passed: z.number().optional(), failed: z.number().optional(), warnings: z.number().optional(), issues: z.array(z.object({title: z.string().optional(), description: z.string().optional(), statusText: z.string().optional(), note: z.string().optional(), impact: z.string().optional(), severity: z.string().optional(), status: z.string().optional(), recommendation: z.string().optional(), howToFix: z.string().optional(), bestPractices: z.array(z.string()).optional(), text: z.string().optional(), length: z.number().optional(), moreDetails: z.record(z.string(), z.unknown()).optional()}).and(z.record(z.string(), z.unknown()))).optional()}).and(z.record(z.string(), z.unknown())).optional(), serverSecurity: z.object({name: z.string().optional(), score: z.number().optional(), passed: z.number().optional(), failed: z.number().optional(), warnings: z.number().optional(), issues: z.array(z.object({title: z.string().optional(), description: z.string().optional(), statusText: z.string().optional(), note: z.string().optional(), impact: z.string().optional(), severity: z.string().optional(), status: z.string().optional(), recommendation: z.string().optional(), howToFix: z.string().optional(), bestPractices: z.array(z.string()).optional(), text: z.string().optional(), length: z.number().optional(), moreDetails: z.record(z.string(), z.unknown()).optional()}).and(z.record(z.string(), z.unknown()))).optional()}).and(z.record(z.string(), z.unknown())).optional(), mobileUsability: z.object({name: z.string().optional(), score: z.number().optional(), passed: z.number().optional(), failed: z.number().optional(), warnings: z.number().optional(), issues: z.array(z.object({title: z.string().optional(), description: z.string().optional(), statusText: z.string().optional(), note: z.string().optional(), impact: z.string().optional(), severity: z.string().optional(), status: z.string().optional(), recommendation: z.string().optional(), howToFix: z.string().optional(), bestPractices: z.array(z.string()).optional(), text: z.string().optional(), length: z.number().optional(), moreDetails: z.record(z.string(), z.unknown()).optional()}).and(z.record(z.string(), z.unknown()))).optional()}).and(z.record(z.string(), z.unknown())).optional(), advancedSeo: z.object({name: z.string().optional(), score: z.number().optional(), passed: z.number().optional(), failed: z.number().optional(), warnings: z.number().optional(), issues: z.array(z.object({title: z.string().optional(), description: z.string().optional(), statusText: z.string().optional(), note: z.string().optional(), impact: z.string().optional(), severity: z.string().optional(), status: z.string().optional(), recommendation: z.string().optional(), howToFix: z.string().optional(), bestPractices: z.array(z.string()).optional(), text: z.string().optional(), length: z.number().optional(), moreDetails: z.record(z.string(), z.unknown()).optional()}).and(z.record(z.string(), z.unknown()))).optional()}).and(z.record(z.string(), z.unknown())).optional()}).and(z.record(z.string(), z.unknown())).optional()}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Audit Website URL for SEO
 * 
 * POST /v3/free-tools/seo-audit
 * 
 * Also accepts auth: apiKey
 */
export const createApiV3FreeToolsSeoAudit = async (args: CreateApiV3FreeToolsSeoAuditArgs, options?: CreateApiV3FreeToolsSeoAuditOptions) => {
const {baseUrl = "https://api.snowseo.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 (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/free-tools/seo-audit${query.size > 0 ? `?${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(createApiV3FreeToolsSeoAuditResponse, await res.json())
};