import * as Context from "effect/Context";import * as DateTime from "effect/DateTime";import * as Effect from "effect/Effect";import * as Layer from "effect/Layer";import * as Option from "effect/Option";import * as PlatformError from "effect/PlatformError";import * as Result from "effect/Result";import * as Schema from "effect/Schema"; import {  TrimmedNonEmptyString,  type SourceControlRepositoryVisibility,  type VcsError,} from "@t3tools/contracts"; import * as VcsProcess from "../vcs/VcsProcess.ts";import {  decodeGitHubPullRequestJson,  decodeGitHubPullRequestListJson,  type NormalizedGitHubPullRequestRecord,} from "./gitHubPullRequests.ts"; const DEFAULT_TIMEOUT_MS = 30_000; const gitHubCliFailureFields = {  command: Schema.Literal("gh"),  cwd: Schema.String,  cause: Schema.Defect(),} as const; export class GitHubCliUnavailableError extends Schema.TaggedError<GitHubCliUnavailableError>()(  "GitHubCliUnavailableError",  gitHubCliFailureFields,) {  get detail(): string {    return "GitHub CLI (`gh`) is required but not available on PATH.";  }   override get message(): string {    return `GitHub CLI failed in execute: ${this.detail}`;  }} export class GitHubCliAuthenticationError extends Schema.TaggedError<GitHubCliAuthenticationError>()(  "GitHubCliAuthenticationError",  gitHubCliFailureFields,) {  get detail(): string {    return "GitHub CLI is not authenticated. Run `gh auth login` and retry.";  }   override get message(): string {    return `GitHub CLI failed in execute: ${this.detail}`;  }} export class GitHubCliRateLimitError extends Schema.TaggedError<GitHubCliRateLimitError>()(  "GitHubCliRateLimitError",  gitHubCliFailureFields,) {  get detail(): string {    return "GitHub API rate limit exceeded. Run `gh api rate_limit` to inspect the quota and reset time.";  }   override get message(): string {    return `GitHub CLI failed in execute: ${this.detail}`;  }} export class GitHubPullRequestNotFoundError extends Schema.TaggedError<GitHubPullRequestNotFoundError>()(  "GitHubPullRequestNotFoundError",  gitHubCliFailureFields,) {  get detail(): string {    return "Pull request not found. Check the PR number or URL and try again.";  }   override get message(): string {    return `GitHub CLI failed in execute: ${this.detail}`;  }} export class GitHubCliCommandError extends Schema.TaggedError<GitHubCliCommandError>()(  "GitHubCliCommandError",  gitHubCliFailureFields,) {  get detail(): string {    return "GitHub CLI command failed.";  }   override get message(): string {    return `GitHub CLI failed in execute: ${this.detail}`;  }} const gitHubCliDecodeFields = {  command: Schema.Literal("gh"),  cwd: Schema.String,  cause: Schema.Defect(),} as const; export class GitHubPullRequestListDecodeError extends Schema.TaggedError<GitHubPullRequestListDecodeError>()(  "GitHubPullRequestListDecodeError",  gitHubCliDecodeFields,) {  get detail(): string {    return "GitHub CLI returned invalid PR list JSON.";  }   override get message(): string {    return `GitHub CLI failed in listOpenPullRequests: ${this.detail}`;  }} export class GitHubChangeRequestListDecodeError extends Schema.TaggedError<GitHubChangeRequestListDecodeError>()(  "GitHubChangeRequestListDecodeError",  gitHubCliDecodeFields,) {  get detail(): string {    return "GitHub CLI returned invalid change request JSON.";  }   override get message(): string {    return `GitHub CLI failed in listChangeRequests: ${this.detail}`;  }} export class GitHubPullRequestDecodeError extends Schema.TaggedError<GitHubPullRequestDecodeError>()(  "GitHubPullRequestDecodeError",  gitHubCliDecodeFields,) {  get detail(): string {    return "GitHub CLI returned invalid pull request JSON.";  }   override get message(): string {    return `GitHub CLI failed in getPullRequest: ${this.detail}`;  }} export class GitHubRepositoryDecodeError extends Schema.TaggedError<GitHubRepositoryDecodeError>()(  "GitHubRepositoryDecodeError",  gitHubCliDecodeFields,) {  get detail(): string {    return "GitHub CLI returned invalid repository JSON.";  }   override get message(): string {    return `GitHub CLI failed in getRepositoryCloneUrls: ${this.detail}`;  }} export const GitHubCliError = Schema.Union([  GitHubCliUnavailableError,  GitHubCliAuthenticationError,  GitHubCliRateLimitError,  GitHubPullRequestNotFoundError,  GitHubCliCommandError,  GitHubPullRequestListDecodeError,  GitHubChangeRequestListDecodeError,  GitHubPullRequestDecodeError,  GitHubRepositoryDecodeError,]);export type GitHubCliError = typeof GitHubCliError.Type; export const isGitHubCliError = Schema.is(GitHubCliError); export function fromVcsError(  context: {    readonly command: "gh";    readonly cwd: string;  },  error: VcsError,): GitHubCliError {  if (    error._tag === "VcsProcessSpawnError" &&    error.cause instanceof PlatformError.PlatformError &&    error.cause.reason._tag === "NotFound" &&    error.cause.reason.module === "ChildProcess" &&    error.cause.reason.method === "spawn"  ) {    return new GitHubCliUnavailableError({ ...context, cause: error });  }   if (error._tag === "VcsProcessExitError") {    if (error.failureKind === "authentication") {      return new GitHubCliAuthenticationError({ ...context, cause: error });    }    if (error.failureKind === "rate-limited") {      return new GitHubCliRateLimitError({ ...context, cause: error });    }    if (error.failureKind === "not-found") {      return new GitHubPullRequestNotFoundError({ ...context, cause: error });    }  }   return new GitHubCliCommandError({ ...context, cause: error });} export interface GitHubPullRequestSummary {  readonly number: number;  readonly title: string;  readonly url: string;  readonly baseRefName: string;  readonly headRefName: string;  readonly state?: "open" | "closed" | "merged";  readonly isDraft?: boolean;  readonly closedAt?: string | null;  readonly mergedAt?: string | null;  readonly updatedAt?: string;  readonly isCrossRepository?: boolean;  readonly headRepositoryNameWithOwner?: string | null;  readonly headRepositoryOwnerLogin?: string | null;} function pullRequestSummary(input: NormalizedGitHubPullRequestRecord): GitHubPullRequestSummary {  const { updatedAt, ...summary } = input;  return {    ...summary,    ...(Option.isSome(updatedAt) ? { updatedAt: DateTime.formatIso(updatedAt.value) } : {}),  };} export interface GitHubRepositoryCloneUrls {  readonly nameWithOwner: string;  readonly url: string;  readonly sshUrl: string;} export class GitHubCli extends Context.Service<  GitHubCli,  {    readonly execute: (input: {      readonly cwd: string;      readonly args: ReadonlyArray<string>;      readonly timeoutMs?: number;      /** Piped to the child's stdin, for payloads that must never appear in argv. */      readonly stdin?: string;      readonly maxOutputBytes?: number;    }) => Effect.Effect<VcsProcess.VcsProcessOutput, GitHubCliError>;     readonly listOpenPullRequests: (input: {      readonly cwd: string;      readonly headSelector: string;      readonly limit?: number;    }) => Effect.Effect<ReadonlyArray<GitHubPullRequestSummary>, GitHubCliError>;     readonly getPullRequest: (input: {      readonly cwd: string;      readonly reference: string;    }) => Effect.Effect<GitHubPullRequestSummary, GitHubCliError>;     readonly getRepositoryCloneUrls: (input: {      readonly cwd: string;      readonly repository: string;    }) => Effect.Effect<GitHubRepositoryCloneUrls, GitHubCliError>;     readonly createRepository: (input: {      readonly cwd: string;      readonly repository: string;      readonly visibility: SourceControlRepositoryVisibility;    }) => Effect.Effect<GitHubRepositoryCloneUrls, GitHubCliError>;     readonly createPullRequest: (input: {      readonly cwd: string;      readonly baseBranch: string;      readonly headSelector: string;      readonly title: string;      readonly bodyFile: string;    }) => Effect.Effect<void, GitHubCliError>;     readonly getDefaultBranch: (input: {      readonly cwd: string;    }) => Effect.Effect<string | null, GitHubCliError>;     readonly checkoutPullRequest: (input: {      readonly cwd: string;      readonly reference: string;      readonly force?: boolean;    }) => Effect.Effect<void, GitHubCliError>;  }>()("t3/sourceControl/GitHubCli") {} const RawGitHubRepositoryCloneUrlsSchema = Schema.Struct({  nameWithOwner: TrimmedNonEmptyString,  url: TrimmedNonEmptyString,  sshUrl: TrimmedNonEmptyString,});const decodeRawGitHubRepositoryCloneUrls = Schema.decodeEffect(  Schema.fromJsonString(RawGitHubRepositoryCloneUrlsSchema),); function normalizeRepositoryCloneUrls(  raw: Schema.Schema.Type<typeof RawGitHubRepositoryCloneUrlsSchema>,): GitHubRepositoryCloneUrls {  return {    nameWithOwner: raw.nameWithOwner,    url: raw.url,    sshUrl: raw.sshUrl,  };} /** * `gh repo create` prints the canonical URL of the new repository on stdout * (e.g. `https://github.com/owner/repo`). Reading it back here avoids a * follow-up `gh repo view`, which can race GitHub's GraphQL eventual * consistency window and falsely report the just-created repo as missing. */function deriveRepositoryCloneUrlsFromCreateOutput(  stdout: string,  repository: string,): GitHubRepositoryCloneUrls {  const fallbackHost = "github.com";  const match = stdout.match(/https?:\/\/[^\s]+/);  if (match) {    const cleaned = match[0].replace(/\.git$/, "");    try {      const parsed = new URL(cleaned);      const pathname = parsed.pathname.replace(/^\/+|\/+$/g, "");      const segments = pathname.split("/").filter(Boolean);      if (segments.length === 2) {        const nameWithOwner = `${segments[0]}/${segments[1]}`;        return {          nameWithOwner,          url: `${parsed.origin}/${nameWithOwner}`,          sshUrl: `git@${parsed.host}:${nameWithOwner}.git`,        };      }    } catch {      // Fall through to the input-derived defaults below.    }  }  return {    nameWithOwner: repository,    url: `https://${fallbackHost}/${repository}`,    sshUrl: `git@${fallbackHost}:${repository}.git`,  };} /** @public Service construction is part of the canonical Effect module API. */export const make = Effect.gen(function* () {  const process = yield* VcsProcess.VcsProcess;   const execute: GitHubCli["Service"]["execute"] = (input) =>    process      .run({        operation: "GitHubCli.execute",        command: "gh",        args: input.args,        cwd: input.cwd,        timeoutMs: input.timeoutMs ?? DEFAULT_TIMEOUT_MS,        ...(input.stdin !== undefined ? { stdin: input.stdin } : {}),        ...(input.maxOutputBytes !== undefined ? { maxOutputBytes: input.maxOutputBytes } : {}),      })      .pipe(Effect.mapError((error) => fromVcsError({ command: "gh", cwd: input.cwd }, error)));   return GitHubCli.of({    execute,    listOpenPullRequests: (input) =>      execute({        cwd: input.cwd,        args: [          "pr",          "list",          "--head",          input.headSelector,          "--state",          "open",          "--limit",          String(input.limit ?? 1),          "--json",          "number,title,url,baseRefName,headRefName,state,isDraft,mergedAt,closedAt,isCrossRepository,headRepository,headRepositoryOwner",        ],      }).pipe(        Effect.map((result) => result.stdout.trim()),        Effect.flatMap((raw) =>          raw.length === 0            ? Effect.succeed([])            : Effect.sync(() => decodeGitHubPullRequestListJson(raw)).pipe(                Effect.flatMap((decoded) => {                  if (!Result.isSuccess(decoded)) {                    return Effect.fail(                      new GitHubPullRequestListDecodeError({                        command: "gh",                        cwd: input.cwd,                        cause: decoded.failure,                      }),                    );                  }                   return Effect.succeed(decoded.success.map(pullRequestSummary));                }),              ),        ),      ),    getPullRequest: (input) =>      execute({        cwd: input.cwd,        args: [          "pr",          "view",          input.reference,          "--json",          "number,title,url,baseRefName,headRefName,state,isDraft,mergedAt,closedAt,updatedAt,isCrossRepository,headRepository,headRepositoryOwner",        ],      }).pipe(        Effect.map((result) => result.stdout.trim()),        Effect.flatMap((raw) =>          Effect.sync(() => decodeGitHubPullRequestJson(raw)).pipe(            Effect.flatMap((decoded) => {              if (!Result.isSuccess(decoded)) {                return Effect.fail(                  new GitHubPullRequestDecodeError({                    command: "gh",                    cwd: input.cwd,                    cause: decoded.failure,                  }),                );              }               return Effect.succeed(pullRequestSummary(decoded.success));            }),          ),        ),      ),    getRepositoryCloneUrls: (input) =>      execute({        cwd: input.cwd,        args: ["repo", "view", input.repository, "--json", "nameWithOwner,url,sshUrl"],      }).pipe(        Effect.map((result) => result.stdout.trim()),        Effect.flatMap((raw) =>          decodeRawGitHubRepositoryCloneUrls(raw).pipe(            Effect.mapError(              (cause) =>                new GitHubRepositoryDecodeError({                  command: "gh",                  cwd: input.cwd,                  cause,                }),            ),          ),        ),        Effect.map(normalizeRepositoryCloneUrls),      ),    createRepository: (input) =>      execute({        cwd: input.cwd,        args: ["repo", "create", input.repository, `--${input.visibility}`],      }).pipe(        Effect.map((result) =>          deriveRepositoryCloneUrlsFromCreateOutput(result.stdout, input.repository),        ),      ),    createPullRequest: (input) =>      execute({        cwd: input.cwd,        args: [          "pr",          "create",          "--base",          input.baseBranch,          "--head",          input.headSelector,          "--title",          input.title,          "--body-file",          input.bodyFile,        ],      }).pipe(Effect.asVoid),    getDefaultBranch: (input) =>      execute({        cwd: input.cwd,        args: ["repo", "view", "--json", "defaultBranchRef", "--jq", ".defaultBranchRef.name"],      }).pipe(        Effect.map((value) => {          const trimmed = value.stdout.trim();          return trimmed.length > 0 ? trimmed : null;        }),      ),    checkoutPullRequest: (input) =>      execute({        cwd: input.cwd,        args: ["pr", "checkout", input.reference, ...(input.force ? ["--force"] : [])],      }).pipe(Effect.asVoid),  });}); export const layer = Layer.effect(GitHubCli, make);