/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.fenix.crashes

import androidx.navigation.NavController
import androidx.navigation.NavDestination
import io.mockk.every
import io.mockk.mockk
import io.mockk.verify
import mozilla.components.browser.session.Session
import mozilla.components.lib.crash.Crash
import mozilla.components.support.test.ext.joinBlocking
import org.junit.Before
import org.junit.Test
import org.mozilla.fenix.R
import org.mozilla.fenix.components.Components
import org.mozilla.fenix.components.metrics.Event
import org.mozilla.fenix.utils.Settings

class CrashReporterControllerTest {

    private lateinit var components: Components
    private lateinit var crash: Crash
    private lateinit var session: Session
    private lateinit var navContoller: NavController
    private lateinit var settings: Settings

    @Before
    fun setup() {
        components = mockk(relaxed = true)
        crash = mockk()
        session = mockk()
        navContoller = mockk(relaxed = true)
        settings = mockk()

        val currentDest: NavDestination = mockk()
        every { navContoller.currentDestination } returns currentDest
        every { currentDest.id } returns R.id.crashReporterFragment
    }

    @Test
    fun `reports crash reporter opened`() {
        CrashReporterController(crash, session, navContoller, components, settings)

        verify { components.analytics.metrics.track(Event.CrashReporterOpened) }
    }

    @Test
    fun `handle close and restore tab`() {
        val controller = CrashReporterController(crash, session, navContoller, components, settings)
        controller.handleCloseAndRestore(sendCrash = false)?.joinBlocking()

        verify { components.analytics.metrics.track(Event.CrashReporterClosed(false)) }
        verify { components.useCases.sessionUseCases.crashRecovery.invoke() }
        verify { navContoller.popBackStack() }
    }

    @Test
    fun `handle close and remove tab`() {
        val controller = CrashReporterController(crash, session, navContoller, components, settings)
        controller.handleCloseAndRemove(sendCrash = false)?.joinBlocking()

        verify { components.analytics.metrics.track(Event.CrashReporterClosed(false)) }
        verify { components.useCases.tabsUseCases.removeTab(session) }
        verify { components.useCases.sessionUseCases.crashRecovery.invoke() }
        verify {
            navContoller.navigate(CrashReporterFragmentDirections.actionGlobalHome(), null)
        }
    }

    @Test
    fun `don't submit report if setting is turned off`() {
        every { settings.isCrashReportingEnabled } returns false

        val controller = CrashReporterController(crash, session, navContoller, components, settings)
        controller.handleCloseAndRestore(sendCrash = true)?.joinBlocking()

        verify { components.analytics.metrics.track(Event.CrashReporterClosed(false)) }
    }

    @Test
    fun `submit report if setting is turned on`() {
        every { settings.isCrashReportingEnabled } returns true

        val controller = CrashReporterController(crash, session, navContoller, components, settings)
        controller.handleCloseAndRestore(sendCrash = true)?.joinBlocking()

        verify { components.analytics.crashReporter.submitReport(crash) }
        verify { components.analytics.metrics.track(Event.CrashReporterClosed(true)) }
    }
}