import Foundation
import Capacitor
import AVFoundation

// Earpiece <-> speaker toggle for calls. Registered by cap sync as a normal Capacitor plugin package, so it
// appears as window.Capacitor.Plugins.AudioRoute (unlike an app-embedded class, which gets stripped/not
// discovered in release builds). setSpeaker({on}) overrides the AVAudioSession output port.
@objc(AudioRoutePlugin)
public class AudioRoutePlugin: CAPPlugin, CAPBridgedPlugin {
    public let identifier = "AudioRoutePlugin"
    public let jsName = "AudioRoute"
    public let pluginMethods: [CAPPluginMethod] = [
        CAPPluginMethod(name: "setSpeaker", returnType: CAPPluginReturnPromise)
    ]

    override public func load() {
        // Default calls to the loudspeaker when the plugin initialises (iOS uses the quiet earpiece otherwise).
        let session = AVAudioSession.sharedInstance()
        try? session.setCategory(.playAndRecord, mode: .voiceChat, options: [.defaultToSpeaker, .allowBluetooth, .allowBluetoothA2DP])
        try? session.setActive(true)
    }

    @objc func setSpeaker(_ call: CAPPluginCall) {
        let on = call.getBool("on") ?? true
        let session = AVAudioSession.sharedInstance()
        do {
            try session.setCategory(.playAndRecord, mode: .voiceChat, options: [.allowBluetooth, .allowBluetoothA2DP])
            try session.setActive(true)
            try session.overrideOutputAudioPort(on ? .speaker : .none)
            call.resolve(["route": on ? "speaker" : "earpiece"])
        } catch {
            call.reject(error.localizedDescription)
        }
    }
}