package com.peachpasswords.autofill

import android.app.PendingIntent
import android.content.Context
import android.content.Intent
import android.content.IntentSender
import android.os.Build

/**
 * PendingIntents the autofill surfaces hand to the framework: a no-op
 * attribution target the inline chip requires, and the authentication
 * IntentSender that opens the branded [AutofillEntryPickerActivity].
 */
object AutofillIntents {
    const val EXTRA_IDENTITY_ID = "peach.autofill.identityId"
    const val EXTRA_PASSWORD_ID = "peach.autofill.passwordId"
    const val EXTRA_OTP_ID = "peach.autofill.otpId"
    const val EXTRA_ORIGIN = "peach.autofill.origin"
    const val EXTRA_IS_WEB_ORIGIN = "peach.autofill.isWebOrigin"

    private const val REQ_CHIP = 0xC0DE
    private const val REQ_PICKER = 0xBEEF

    /** Required attribution for an inline suggestion; tapping it is a no-op. */
    fun noopChipIntent(context: Context): PendingIntent {
        val intent = Intent(context, AutofillEntryPickerActivity::class.java)
        return PendingIntent.getActivity(context, REQ_CHIP, intent, immutableFlags())
    }

    /** Authentication target for the "Search Peach…" dataset. */
    fun pickerIntentSender(context: Context, parsed: ParsedStructure): IntentSender {
        val intent = Intent(context, AutofillEntryPickerActivity::class.java).apply {
            putExtra(EXTRA_IDENTITY_ID, parsed.identityId)
            putExtra(EXTRA_PASSWORD_ID, parsed.passwordId)
            putExtra(EXTRA_OTP_ID, parsed.otpId)
            putExtra(EXTRA_ORIGIN, parsed.origin)
            putExtra(EXTRA_IS_WEB_ORIGIN, parsed.webDomain != null)
        }
        return PendingIntent.getActivity(context, REQ_PICKER, intent, mutableFlags()).intentSender
    }

    private fun immutableFlags(): Int =
        PendingIntent.FLAG_UPDATE_CURRENT or
            if (Build.VERSION.SDK_INT >= 23) PendingIntent.FLAG_IMMUTABLE else 0

    private fun mutableFlags(): Int =
        PendingIntent.FLAG_UPDATE_CURRENT or
            if (Build.VERSION.SDK_INT >= 31) PendingIntent.FLAG_MUTABLE else 0
}