import {z} from 'zod'

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

export const codeReviewCadenceDto = z.object({type: z.string(), timeWindow: z.number(), pushesToTrigger: z.number()});

export const codeReviewOptionsDto = z.object({bug: z.boolean(), performance: z.boolean(), security: z.boolean(), cross_file: z.boolean()});

export const severityLimitsDto = z.object({low: z.number(), medium: z.number(), high: z.number(), critical: z.number()});

export const suggestionControlDto = z.object({groupingMode: z.string(), applyFiltersToKodyRules: z.boolean(), limitationType: z.string(), maxSuggestions: z.number(), severityLevelFilter: z.string(), severityLimits: severityLimitsDto});

export const reviewSummaryDto = z.object({generatePRSummary: z.boolean(), behaviourForNewCommits: z.string(), behaviourForExistingDescription: z.string(), customInstructions: z.string()});

export const customMessageConfigDto = z.object({hideComments: z.boolean(), suggestionCopyPrompt: z.boolean()});

export const customMessageTemplateDto = z.object({status: z.string(), content: z.string()});

export const customMessagesDto = z.object({globalSettings: customMessageConfigDto, startReviewMessage: customMessageTemplateDto, endReviewMessage: customMessageTemplateDto});

export const codeReviewConfigDataDto = z.object({automatedReviewActive: z.boolean(), kodusConfigFileOverridesWebPreferences: z.boolean(), reviewCadence: codeReviewCadenceDto, pullRequestApprovalActive: z.boolean(), isRequestChangesActive: z.boolean(), runOnDraft: z.boolean(), ignorePaths: z.array(z.string()), ignoredTitleKeywords: z.array(z.string()), baseBranches: z.array(z.string()), enableCommittableSuggestions: z.boolean(), codeReviewVersion: z.string(), reviewOptions: codeReviewOptionsDto, suggestionControl: suggestionControlDto, summary: reviewSummaryDto, repoInstructionsEnabled: z.boolean(), kodyRulesGeneratorEnabled: z.boolean(), customMessages: customMessagesDto, v2PromptOverrides: z.record(z.string(), z.unknown())});

export const codeReviewConfigResponseDto = z.object({statusCode: z.number(), type: z.string(), data: codeReviewConfigDataDto});

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
};

/**
 * Get default code review config
 * 
 * GET /parameters/default-code-review-parameter
 */
export const getApiParametersDefaultCodeReviewParameter = async (options?: GetApiParametersDefaultCodeReviewParameterOptions) => {
const {baseUrl = "http://localhost:3001", fetch: fetchFn = fetch, jwt} = options ?? {}

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

if (jwt !== undefined) headers.set('authorization', `Bearer ${jwt}`)

const url = `${baseUrl.replace(/\/+$/, '')}/parameters/default-code-review-parameter${query.size > 0 ? `?${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(codeReviewConfigResponseDto, await res.json())
};