/*!
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * Copyright © 2026 Diego Lima Nogueira de Paula
 *
 * /graph-deploy — DEPLOY phase: release readiness, CI checks, DORA validation.
 * No MCP dependency. Operates directly against SqliteStore.
 */

import type { SkillHandlerPort, SkillExecutionContext } from "../../tui/skill-handler-port.js";
import { fmtElapsed } from "../shared/handler-utils.js";
import { createLogger } from "../../core/utils/logger.js";

const _log = createLogger({ layer: "core", source: "graph-deploy.ts" });

export class GraphDeployHandler implements SkillHandlerPort {
  async execute(args: string, ctx: SkillExecutionContext): Promise<string> {
    const { store, dir, onProgress } = ctx;
    const startMs = Date.now();
    const lines: string[] = ["═ /graph-deploy ═"];
    const doc = store.toGraphDocument();

    // Step 1: Check harness score
    onProgress({ step: 1, total: 4, label: "Verificando harness score...", elapsedMs: Date.now() - startMs, tokensUsed: 0 });
    try {
      const { collectSrcFiles } = await import("../../core/harness/collect-src.js");
      const { evaluateProjectQuality } = await import("../../core/harness/project-quality.js");
      const files = collectSrcFiles(dir);
      const quality = evaluateProjectQuality(files);
      lines.push(`Harness: testes ${quality.testScore}% · logs ${quality.logScore}% · ${quality.gate.passed ? "✓ gate OK" : "⚠ gate falhou"}`);
    } catch {
      lines.push("  Harness: módulo indisponível");
    }

    // Step 2: Verify done tasks
    onProgress({ step: 2, total: 4, label: "Verificando tasks concluídas...", elapsedMs: Date.now() - startMs, tokensUsed: 0 });
    const stats = store.getStats();
    const doneCount = stats.byStatus.done ?? 0;
    const totalCount = stats.totalNodes;
    const pct = totalCount > 0 ? Math.round((doneCount / totalCount) * 100) : 0;
    lines.push(`Tasks: ${doneCount}/${totalCount} done (${pct}%)`);

    // Step 3: Check for blockers
    onProgress({ step: 3, total: 4, label: "Verificando blockers...", elapsedMs: Date.now() - startMs, tokensUsed: 0 });
    const blocked = doc.nodes.filter((n) => n.blocked || n.status === "blocked");
    if (blocked.length > 0) {
      lines.push(`⚠ ${blocked.length} task(s) bloqueada(s):`);
      for (const b of blocked.slice(0, 5)) {
        lines.push(`  • ${b.title}`);
      }
    } else {
      lines.push("✓ Nenhum blocker");
    }

    // Step 4: Release readiness
    onProgress({ step: 4, total: 4, label: "Readiness check...", elapsedMs: Date.now() - startMs, tokensUsed: 0 });
    const deployReady = pct >= 80 && blocked.length === 0;
    if (deployReady) {
      lines.push("✓ Pronto para deploy!");
    } else {
      lines.push(`⚠ Aguardando: ${pct < 80 ? `${100 - pct}% restante` : ""} ${blocked.length > 0 ? `${blocked.length} blocker(s)` : ""}`);
    }
    lines.push("Execute testes: npm run test:blast && npm run test:node && npm test");

    lines.push(`═ ${fmtElapsed(Date.now() - startMs)} ═`);
    return lines.join("\n");
  }
}