package com.racingapp.pitlog.model

import com.racingapp.pitlog.data.SetupSheet
import org.junit.Assert.assertEquals
import org.junit.Assert.assertTrue
import org.junit.Test

class SetupLogTest {
    @Test
    fun diffsOnlyTheFieldsThatMoved() {
        val original = SetupSheet(
            recordedAt = 1L,
            springRf = 1000,
            toeFront = 0.125,
            swayBarHole = 4,
        )
        val later = original.copy(
            springRf = 1050,
            toeFront = 0.063,
            swayBarHole = 3,
        )
        assertEquals(
            listOf(
                "RF spring 1000 lb → 1050 lb",
                "Sway bar Setting 4 → Setting 3",
                "Front toe 1/8 in → 1/16 in",
            ),
            setupDiffs(original, later),
        )
    }

    @Test
    fun anUnchangedSheetHasNoDiff() {
        val sheet = SetupSheet(recordedAt = 1L, springLf = 950, camberRf = -7.0)
        assertTrue(setupDiffs(sheet, sheet.copy(note = "perch tweak")).isEmpty())
    }

    @Test
    fun deepSetupShowsWeightsHeightPinionAndBrake() {
        val original = SetupSheet(
            recordedAt = 1L,
            weightLf = 800,
            weightRf = 760,
            weightLr = 740,
            weightRr = 700,
            rideHeight = 5.0,
            pinion = -2.0,
            brakeFront = 62.0,
        )
        val later = original.copy(
            weightLf = 820,
            rideHeight = 5.2,
            pinion = -1.5,
            brakeFront = 65.0,
        )
        assertEquals(
            listOf(
                "Weights LF 800  RF 760  LR 740  RR 700 lb",
                "Total 3000 lb",
                "Left 1540 lb, 51.3%",
                "Front 1560 lb, 52%",
                "Rear 1440 lb, 48%",
                "Cross 1500 lb, 50%",
                "Rear bite 40",
                "Ride height 5 in",
                "Pinion -2.0°",
                "Front brake 62%",
            ),
            setupLines(original),
        )
        assertEquals(
            listOf(
                "LF weight 800 lb → 820 lb",
                "Total 3000 lb → 3020 lb",
                "Left 1540 lb, 51.3% → 1560 lb, 51.7%",
                "Front 1560 lb, 52% → 1580 lb, 52.3%",
                "Rear 1440 lb, 48% → 1440 lb, 47.7%",
                "Cross 1500 lb, 50% → 1500 lb, 49.7%",
                "Ride height 5 in → 5.2 in",
                "Pinion -2.0° → -1.5°",
                "Front brake 62% → 65%",
            ),
            setupDiffs(original, later),
        )
    }

    @Test
    fun originalLinesSkipBlankFields() {
        val lines = setupLines(SetupSheet(recordedAt = 1L, crossPercent = 53.5, blockLr = 2.0))
        assertEquals(listOf("Cross 53.5%", "LR block 2 in"), lines)
    }
}