import { getLargeOperationThrottle, getPerformanceProfile, hasAudibleTabs, setPerformanceProfile } from '../core';
import { CommandGroup } from '../classes/CommandGroup';
import type { CommandEntry } from '../classes/CommandGroup';
import type { Job, PerfSetProfileArgs, JobIdArgs } from '../types';

// PerfCommands also owns the jobs.* status/cancel queries: they read the same
// JobManager (ctx.jobs) that perf.status reports, and there is no dedicated
// jobs command group.
export class PerfCommands extends CommandGroup {
  readonly namespace = "perf";
  readonly commands: Record<string, CommandEntry> = {
    "perf.status":      () => this.perfStatus(),
    "perf.set_profile": (a: PerfSetProfileArgs) => setPerformanceProfile(typeof a.profile === "string" ? a.profile : undefined),
    "jobs.status":      (a: JobIdArgs) => this.ctx.jobs.status(a),
    "jobs.cancel":      (a: JobIdArgs) => this.ctx.jobs.cancel(a),
  };

  private jobSummary(job: Job) {
    return {
      id: job.id,
      command: job.command,
      status: job.status,
      phase: job.phase,
      current: job.current,
      total: job.total,
      percent: job.percent,
      cancelRequested: job.cancelRequested,
    };
  }

  private async perfStatus() {
    const profile = await getPerformanceProfile();
    const audible = await hasAudibleTabs();
    const throttle = await getLargeOperationThrottle(0, "auto");
    return {
      performanceProfile: profile,
      audible,
      throttle,
      jobs: this.ctx.jobs.list().map(job => this.jobSummary(job)),
    };
  }
}