import type { MinuteRange } from "./quiet-hours.js";
import { isQuietTime } from "./quiet-hours.js";

export type OoSoundCue =
  | "app-start"
  | "interact"
  | "success-resolve"
  | "need-you"
  | "work-complete"
  | "listening-start"
  | "listening-stop"
  | "speaking-start"
  | "speaking-done"
  | "attention"
  | "message-sent"
  | "handoff"
  | "group-spark"
  | "routine_start"
  | "routine_completed_quiet"
  | "routine_changed"
  | "routine_failure"
  | "voice_listen"
  | "voice_bargein";

export interface ToneStep {
  kind: "tone";
  frequency: number;
  delayMs: number;
  durationMs: number;
  gain: number;
  wave: "sine" | "triangle";
  attackMs?: number;
  releaseMs?: number;
}

export interface SweepStep {
  kind: "sweep";
  fromHz: number;
  toHz: number;
  delayMs: number;
  durationMs: number;
  gain: number;
  wave: "sine" | "triangle";
}

export type SoundStep = ToneStep | SweepStep;

export interface SoundCueRecipe {
  steps: SoundStep[];
  totalDurationMs: number;
}

/** Normalized recipe registry for all cross-platform earcons */
export const CUE_RECIPES: Record<OoSoundCue, SoundCueRecipe> = {
  "app-start": {
    steps: [
      {
        kind: "sweep",
        fromHz: 523.25,
        toHz: 659.25,
        delayMs: 0,
        durationMs: 140,
        gain: 0.038,
        wave: "sine",
      },
      {
        kind: "sweep",
        fromHz: 659.25,
        toHz: 493.88,
        delayMs: 100,
        durationMs: 180,
        gain: 0.032,
        wave: "triangle",
      },
    ],
    totalDurationMs: 280,
  },
  interact: {
    steps: [
      {
        kind: "tone",
        frequency: 1046.5,
        delayMs: 0,
        durationMs: 60,
        gain: 0.018,
        wave: "triangle",
        attackMs: 3,
        releaseMs: 40,
      },
    ],
    totalDurationMs: 60,
  },
  "success-resolve": {
    steps: [
      {
        kind: "sweep",
        fromHz: 523.25,
        toHz: 659.25,
        delayMs: 0,
        durationMs: 120,
        gain: 0.042,
        wave: "sine",
      },
      {
        kind: "sweep",
        fromHz: 659.25,
        toHz: 783.99,
        delayMs: 100,
        durationMs: 220,
        gain: 0.036,
        wave: "triangle",
      },
      { kind: "tone", frequency: 880, delayMs: 200, durationMs: 280, gain: 0.03, wave: "sine" },
    ],
    totalDurationMs: 480,
  },
  "work-complete": {
    steps: [
      {
        kind: "sweep",
        fromHz: 523.25,
        toHz: 659.25,
        delayMs: 0,
        durationMs: 120,
        gain: 0.042,
        wave: "sine",
      },
      {
        kind: "sweep",
        fromHz: 659.25,
        toHz: 783.99,
        delayMs: 100,
        durationMs: 220,
        gain: 0.036,
        wave: "triangle",
      },
      { kind: "tone", frequency: 880, delayMs: 200, durationMs: 280, gain: 0.03, wave: "sine" },
    ],
    totalDurationMs: 480,
  },
  "need-you": {
    steps: [
      {
        kind: "sweep",
        fromHz: 220,
        toHz: 330,
        delayMs: 0,
        durationMs: 100,
        gain: 0.042,
        wave: "triangle",
      },
      {
        kind: "tone",
        frequency: 277.18,
        delayMs: 90,
        durationMs: 120,
        gain: 0.035,
        wave: "sine",
        releaseMs: 80,
      },
    ],
    totalDurationMs: 210,
  },
  "listening-start": {
    steps: [
      { kind: "tone", frequency: 220, delayMs: 0, durationMs: 220, gain: 0.045, wave: "triangle" },
      { kind: "tone", frequency: 330, delayMs: 40, durationMs: 280, gain: 0.035, wave: "sine" },
    ],
    totalDurationMs: 320,
  },
  voice_listen: {
    steps: [
      { kind: "tone", frequency: 220, delayMs: 0, durationMs: 220, gain: 0.045, wave: "triangle" },
      { kind: "tone", frequency: 330, delayMs: 40, durationMs: 280, gain: 0.035, wave: "sine" },
    ],
    totalDurationMs: 320,
  },
  "listening-stop": {
    steps: [
      {
        kind: "tone",
        frequency: 330,
        delayMs: 0,
        durationMs: 180,
        gain: 0.03,
        wave: "sine",
        releaseMs: 120,
      },
    ],
    totalDurationMs: 180,
  },
  "speaking-start": {
    steps: [
      { kind: "tone", frequency: 440, delayMs: 0, durationMs: 200, gain: 0.04, wave: "sine" },
    ],
    totalDurationMs: 200,
  },
  "speaking-done": {
    steps: [
      { kind: "tone", frequency: 523.25, delayMs: 0, durationMs: 240, gain: 0.035, wave: "sine" },
      {
        kind: "tone",
        frequency: 392,
        delayMs: 80,
        durationMs: 300,
        gain: 0.028,
        wave: "sine",
        releaseMs: 140,
      },
    ],
    totalDurationMs: 380,
  },
  voice_bargein: {
    steps: [
      {
        kind: "sweep",
        fromHz: 523.25,
        toHz: 261.63,
        delayMs: 0,
        durationMs: 50,
        gain: 0.032,
        wave: "sine",
      },
    ],
    totalDurationMs: 50,
  },
  attention: {
    steps: [
      {
        kind: "tone",
        frequency: 277.18,
        delayMs: 0,
        durationMs: 160,
        gain: 0.05,
        wave: "triangle",
      },
      { kind: "tone", frequency: 233.08, delayMs: 120, durationMs: 220, gain: 0.045, wave: "sine" },
    ],
    totalDurationMs: 340,
  },
  "message-sent": {
    steps: [
      {
        kind: "tone",
        frequency: 880,
        delayMs: 0,
        durationMs: 100,
        gain: 0.022,
        wave: "sine",
        attackMs: 4,
        releaseMs: 60,
      },
    ],
    totalDurationMs: 100,
  },
  handoff: {
    steps: [
      { kind: "tone", frequency: 349.23, delayMs: 0, durationMs: 200, gain: 0.04, wave: "sine" },
      {
        kind: "tone",
        frequency: 466.16,
        delayMs: 100,
        durationMs: 240,
        gain: 0.035,
        wave: "triangle",
      },
    ],
    totalDurationMs: 340,
  },
  "group-spark": {
    steps: [
      {
        kind: "tone",
        frequency: 587.33,
        delayMs: 0,
        durationMs: 110,
        gain: 0.032,
        wave: "triangle",
        attackMs: 4,
      },
      { kind: "tone", frequency: 739.99, delayMs: 60, durationMs: 140, gain: 0.028, wave: "sine" },
      {
        kind: "tone",
        frequency: 880,
        delayMs: 120,
        durationMs: 100,
        gain: 0.022,
        wave: "sine",
        releaseMs: 50,
      },
    ],
    totalDurationMs: 220,
  },
  routine_start: {
    steps: [
      {
        kind: "tone",
        frequency: 392,
        delayMs: 0,
        durationMs: 80,
        gain: 0.025,
        wave: "sine",
        attackMs: 5,
        releaseMs: 30,
      },
      {
        kind: "tone",
        frequency: 523.25,
        delayMs: 60,
        durationMs: 100,
        gain: 0.022,
        wave: "sine",
        attackMs: 5,
        releaseMs: 40,
      },
    ],
    totalDurationMs: 160,
  },
  routine_completed_quiet: {
    steps: [
      {
        kind: "tone",
        frequency: 659.25,
        delayMs: 0,
        durationMs: 100,
        gain: 0.018,
        wave: "sine",
        attackMs: 6,
        releaseMs: 50,
      },
      {
        kind: "tone",
        frequency: 783.99,
        delayMs: 50,
        durationMs: 120,
        gain: 0.015,
        wave: "sine",
        attackMs: 6,
        releaseMs: 60,
      },
    ],
    totalDurationMs: 170,
  },
  routine_changed: {
    steps: [
      {
        kind: "tone",
        frequency: 440,
        delayMs: 0,
        durationMs: 90,
        gain: 0.035,
        wave: "triangle",
        attackMs: 4,
        releaseMs: 40,
      },
      {
        kind: "tone",
        frequency: 554.37,
        delayMs: 70,
        durationMs: 120,
        gain: 0.03,
        wave: "sine",
        attackMs: 4,
        releaseMs: 50,
      },
    ],
    totalDurationMs: 190,
  },
  routine_failure: {
    steps: [
      {
        kind: "tone",
        frequency: 329.63,
        delayMs: 0,
        durationMs: 120,
        gain: 0.038,
        wave: "triangle",
        attackMs: 5,
        releaseMs: 50,
      },
      {
        kind: "tone",
        frequency: 261.63,
        delayMs: 90,
        durationMs: 160,
        gain: 0.032,
        wave: "triangle",
        attackMs: 5,
        releaseMs: 70,
      },
    ],
    totalDurationMs: 250,
  },
};

export interface SoundDriver {
  play(cue: OoSoundCue): void | Promise<void>;
  stopAll?(): void;
  isSupported(): boolean;
}

export class CoreSoundEngine {
  private enabled = true;
  private driver: SoundDriver | null = null;
  private quietRange: MinuteRange | null = null;
  private timeZone: string | null = null;

  constructor(driver?: SoundDriver) {
    if (driver) this.driver = driver;
  }

  setDriver(driver: SoundDriver): void {
    this.driver = driver;
  }

  isEnabled(): boolean {
    return this.enabled;
  }

  setEnabled(next: boolean): void {
    this.enabled = next;
  }

  setQuietHours(range: MinuteRange | null, timeZone?: string | null): void {
    this.quietRange = range;
    this.timeZone = timeZone ?? null;
  }

  isQuietNow(): boolean {
    return isQuietTime(this.quietRange, this.timeZone, new Date());
  }

  play(cue: OoSoundCue): void {
    if (!this.enabled) return;
    if (!CUE_RECIPES[cue]) return;

    // Routine sounds respect quiet hours strictly
    if (
      (cue === "routine_start" ||
        cue === "routine_completed_quiet" ||
        cue === "routine_changed" ||
        cue === "routine_failure") &&
      this.isQuietNow()
    ) {
      return;
    }

    try {
      void this.driver?.play(cue);
    } catch {
      // Best-effort playback
    }
  }
}