import { readFileSync } from "node:fs";
import { resolve } from "node:path";
import { describe, expect, it } from "vitest";

const workflow = readFileSync(
	resolve(process.cwd(), ".gitea/workflows/ci.yaml"),
	"utf8",
);
const deployStart = workflow.indexOf("\n  deploy:");
const e2eStart = workflow.indexOf("\n  e2e:");
const deployJob =
	deployStart > -1
		? workflow.slice(deployStart, e2eStart > deployStart ? e2eStart : undefined)
		: "";

describe("deploy job", () => {
	it("runs on self-hosted for Docker access", () => {
		expect(deployJob).toContain("runs-on: self-hosted");
	});

	it("has checkout step", () => {
		expect(deployJob).toContain("actions/checkout@v4");
	});

	it("builds Docker image with BuildKit", () => {
		expect(deployJob).toContain("DOCKER_BUILDKIT=1");
		expect(deployJob).toContain("docker build");
		expect(deployJob).toContain("-t epicnext-cms:latest");
	});

	it("builds on host network for registry access", () => {
		expect(deployJob).toContain("--network=host");
	});

	it("stops old container before starting new one", () => {
		expect(deployJob).toContain("docker stop epicnext-cms-app");
		expect(deployJob).toContain("docker rm epicnext-cms-app");
	});

	it("starts container with correct settings", () => {
		expect(deployJob).toContain("--restart always");
		expect(deployJob).toContain("--net=host");
		expect(deployJob).toContain("--name epicnext-cms-app");
	});

	it("provides production .env to the build", () => {
		expect(deployJob).toContain("cp /var/www/atom-nexst/.env .env");
	});

	it("runs container with production env and volumes", () => {
		expect(deployJob).toContain(". /var/www/atom-nexst/.env");
		// biome-ignore lint/suspicious/noTemplateCurlyInString: intentional literal shell snippet
		expect(deployJob).toContain('"${ENV_ARGS[@]}"');
		expect(deployJob).toContain("/var/www/Gamedata:/var/www/Gamedata");
		expect(deployJob).toContain("/app/storage");
	});

	it("does not use --env-file (it keeps literal quotes)", () => {
		expect(deployJob).not.toContain("--env-file");
	});

	it("frees port 3002 by stopping the compose container", () => {
		expect(deployJob).toContain("docker stop epicnext-cms 2>/dev/null || true");
	});

	it("rolls back to compose on health check failure", () => {
		expect(deployJob).toContain("docker compose");
	});

	it("runs database migrations before replacing the container", () => {
		expect(deployJob).toContain("pnpm db:migrate");
		expect(deployJob.indexOf("pnpm db:migrate")).toBeLessThan(
			deployJob.indexOf("docker stop epicnext-cms-app"),
		);
	});

	it("runs health check", () => {
		expect(deployJob).toContain("/api/health");
		expect(deployJob).toContain('"database":true');
	});

	it("preserves recent build cache and avoids pruning application volumes", () => {
		expect(deployJob).toContain(
			'docker builder prune -af --filter "until=72h" --keep-storage=2g',
		);
		expect(deployJob).toContain('docker image prune -f --filter "until=168h"');
		expect(deployJob).not.toContain("docker volume prune");
		expect(deployJob).not.toContain("docker network prune");
		expect(deployJob).not.toContain("docker container prune");
		expect(deployJob).not.toContain("docker image prune -af");
	});

	it("does not run pnpm test in deploy", () => {
		expect(deployJob).not.toContain("pnpm test");
	});

	it("shows docker logs on failure", () => {
		expect(deployJob).toContain("docker logs epicnext-cms-app");
	});

	it("exits with error on health check failure", () => {
		expect(deployJob).toContain("exit 1");
	});
});