import {z} from 'zod'

export type ReleasesDetectionWriteModel = {method: 'tags' | 'pr_to_branch' | 'merge_to_branch' | 'api', pattern?: (string | null) | undefined, backfill_days?: (1 | 90) | undefined};

export type DraftPullRequestsModel = {labels?: Array<string> | undefined, title_pattern?: (string | null) | undefined};

export type DefaultBranchModel = {branch_name?: (string | null) | undefined};

export type PatternsModel = {patterns?: Array<string> | undefined};

export type CodingTimeStrategyWriteModel = {method: 'first_commit' | 'issue_state_pr', backfill_days?: (1 | 90) | undefined};

export type BotPrAttributionModel = {method: 'merge_actor' | 'assignee' | 'none'};

export type IncludeFileExtensionsModel = {patterns?: Array<string> | undefined};

export type ActiveBranchesDurationWriteModel = {days: 3 | 7 | 14};

export type IssueStartTimeModel = {method: 'first_transition' | 'last_transition'};

export type GitSettingsWriteModel = {releases_detection?: ReleasesDetectionWriteModel | undefined, draft_pull_requests?: DraftPullRequestsModel | undefined, default_branch?: DefaultBranchModel | undefined, exclude_branches?: PatternsModel | undefined, exclude_base_branches?: PatternsModel | undefined, exclude_file_extensions?: PatternsModel | undefined, coding_time_strategy?: CodingTimeStrategyWriteModel | undefined, bot_pr_attribution?: BotPrAttributionModel | undefined, include_file_extensions?: IncludeFileExtensionsModel | undefined, active_branches_duration?: ActiveBranchesDurationWriteModel | undefined, issue_start_time?: IssueStartTimeModel | undefined};

export type PatchApiApiV1GitConfigArgs = {body: GitSettingsWriteModel};

export type PatchApiApiV1GitConfigOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const releasesDetectionModel = z.object({method: z.enum(["tags", "pr_to_branch", "merge_to_branch", "api", "deployment"]), pattern: z.string().nullable().optional()});

export const draftPullRequestsModel = z.object({labels: z.array(z.string()).optional(), title_pattern: z.string().nullable().optional()});

export const defaultBranchModel = z.object({branch_name: z.string().nullable().optional()});

export const patternsModel = z.object({patterns: z.array(z.string()).optional()});

export const codingTimeStrategyModel = z.object({method: z.enum(["first_commit", "issue_state_pr"])});

export const botPrAttributionModel = z.object({method: z.enum(["merge_actor", "assignee", "none"])});

export const includeFileExtensionsModel = z.object({patterns: z.array(z.string()).optional()});

export const activeBranchesDurationModel = z.object({days: z.number().int().gte(3).lte(14)});

export const issueStartTimeModel = z.object({method: z.enum(["first_transition", "last_transition"])});

export const gitSettingsModel = z.object({releases_detection: releasesDetectionModel, draft_pull_requests: draftPullRequestsModel, default_branch: defaultBranchModel, exclude_branches: patternsModel, exclude_base_branches: patternsModel, exclude_file_extensions: patternsModel, coding_time_strategy: codingTimeStrategyModel, bot_pr_attribution: botPrAttributionModel, include_file_extensions: includeFileExtensionsModel, active_branches_duration: activeBranchesDurationModel, issue_start_time: issueStartTimeModel});

export const gitConfigResponseModel = z.object({settings: gitSettingsModel});

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 Git Configuration
 * 
 * PATCH /api/v1/git/config
 */
export const patchApiApiV1GitConfig = async (args: PatchApiApiV1GitConfigArgs, options?: PatchApiApiV1GitConfigOptions) => {
const {baseUrl = "https://public-api.linearb.io", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/git/config${query.size > 0 ? `?${query}` : ''}`

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