#!/usr/bin/env node
/**
 * Gitea CLI — standalone command-line interface
 *
 * Usage: gitea <command> [options]
 * Replaces gitea-scripts/gitea.js with the consolidated core.
 */

import { GiteaClient } from "./src/client.js";
import * as repos from "./src/repos.js";
import * as issues from "./src/issues.js";
import * as pulls from "./src/pulls.js";
import * as actions from "./src/actions.js";
import * as webhooks from "./src/webhooks.js";
import * as files from "./src/files.js";

const client = new GiteaClient();

function parseArgs(argv: string[]): { positional: string[]; flags: Record<string, string | boolean> } {
	const positional: string[] = [];
	const flags: Record<string, string | boolean> = {};
	for (let i = 0; i < argv.length; i++) {
		if (argv[i].startsWith("--")) {
			const key = argv[i].slice(2);
			const next = argv[i + 1];
			if (next && !next.startsWith("--")) {
				flags[key] = next;
				i++;
			} else {
				flags[key] = true;
			}
		} else {
			positional.push(argv[i]);
		}
	}
	return { positional, flags };
}

function splitOwnerRepo(input: string): { owner: string; repo: string } {
	const parts = input.split("/");
	if (parts.length === 2) return { owner: parts[0], repo: parts[1] };
	return { owner: client.defaultOwner, repo: input };
}

const commands: Record<string, (args: string[]) => Promise<void>> = {
	async whoami() {
		const user = await client.get<{ login: string; email: string }>("/user");
		console.log(JSON.stringify(user, null, 2));
	},

	async repos(args) {
		const { flags } = parseArgs(args);
		const result = await repos.listRepos(client, {
			owner: flags.owner as string,
			limit: flags.limit ? parseInt(flags.limit as string) : undefined,
		});
		for (const r of result) {
			console.log(`${r.full_name} [${r.private ? "private" : "public"}]`);
		}
	},

	async "create-repo"(args) {
		const { positional, flags } = parseArgs(args);
		const name = positional[0];
		if (!name) { console.error("Usage: create-repo <name> [--private] [--description ...]"); process.exit(1); }
		const repo = await repos.createRepo(client, {
			name,
			private: !!flags.private,
			description: flags.description as string,
		});
		console.log(`✅ Created: ${repo.html_url}`);
	},

	async "ensure-repo"(args) {
		const { positional, flags } = parseArgs(args);
		const name = positional[0];
		if (!name) { console.error("Usage: ensure-repo <name> [--private]"); process.exit(1); }
		const { repo, created } = await repos.ensureRepo(client, client.defaultOwner, name, {
			private: !!flags.private,
		});
		console.log(`${created ? "created" : "exists"}: ${repo.clone_url}`);
	},

	async issues(args) {
		const { positional } = parseArgs(args);
		const target = positional[0];
		if (!target) { console.error("Usage: issues <owner/repo>"); process.exit(1); }
		const { owner, repo } = splitOwnerRepo(target);
		const list = await issues.listIssues(client, owner, repo);
		for (const i of list) {
			console.log(`#${i.number} [${i.state}] ${i.title}`);
		}
	},

	async "create-issue"(args) {
		const { positional, flags } = parseArgs(args);
		const target = positional[0];
		const title = positional[1];
		if (!target || !title) { console.error("Usage: create-issue <owner/repo> <title> [--body ...]"); process.exit(1); }
		const { owner, repo } = splitOwnerRepo(target);
		const issue = await issues.createIssue(client, owner, repo, {
			title,
			body: flags.body as string,
		});
		console.log(`✅ Issue #${issue.number}: ${issue.html_url}`);
	},

	async prs(args) {
		const { positional } = parseArgs(args);
		const target = positional[0];
		if (!target) { console.error("Usage: prs <owner/repo>"); process.exit(1); }
		const { owner, repo } = splitOwnerRepo(target);
		const list = await pulls.listPullRequests(client, owner, repo);
		for (const p of list) {
			console.log(`#${p.number} [${p.state}] ${p.title} (${p.head?.label} → ${p.base?.label})`);
		}
	},

	async runs(args) {
		const { positional } = parseArgs(args);
		const target = positional[0];
		if (!target) { console.error("Usage: runs <owner/repo>"); process.exit(1); }
		const { owner, repo } = splitOwnerRepo(target);
		const { runs } = await actions.listRuns(client, owner, repo);
		for (const r of runs) {
			console.log(`#${r.run_number} [${r.id}] ${r.conclusion ?? r.status} — ${r.display_title} (${r.head_branch})`);
		}
	},

	async "add-webhook"(args) {
		const { positional, flags } = parseArgs(args);
		const target = positional[0];
		const webhookUrl = positional[1];
		if (!target || !webhookUrl) { console.error("Usage: add-webhook <owner/repo> <url> [--token ...]"); process.exit(1); }
		const { owner, repo } = splitOwnerRepo(target);
		const hook = await webhooks.createWebhook(client, owner, repo, {
			url: webhookUrl,
			token: flags.token as string,
		});
		console.log(`✅ Webhook created: ${hook.id}`);
	},

	async help() {
		console.log(`
Gitea CLI — ${client.url}

Commands:
  whoami                          Show current user
  repos [--owner ...] [--limit N] List repos
  create-repo <name> [--private] [--description "..."]
  ensure-repo <name> [--private]  Create if not exists
  issues <owner/repo>             List issues
  create-issue <owner/repo> <title> [--body "..."]
  prs <owner/repo>                List pull requests
  runs <owner/repo>               List workflow runs
  add-webhook <owner/repo> <url> [--token "..."]

Env: GITEA_URL, GITEA_TOKEN, GITEA_OWNER, GITEA_REPO
`);
	},
};

async function main() {
	if (!client.token) {
		console.error("❌ No GITEA_TOKEN found. Set GITEA_TOKEN in environment.");
		process.exit(1);
	}

	const cmd = process.argv[2];
	if (!cmd || cmd === "--help" || cmd === "help") {
		await commands.help([]);
		return;
	}

	const fn = commands[cmd];
	if (!fn) {
		console.error(`Unknown command: ${cmd}`);
		process.exit(1);
	}

	await fn(process.argv.slice(3));
}

main().catch((err) => {
	console.error("Error:", err.message);
	process.exit(1);
});