add apply command functionality

build.gradle.kts

@@ -41,6 +41,7 @@ kotlin {
                 implementation("io.insert-koin:koin-core:3.1.5")
                 implementation("com.github.ajalt.clikt:clikt:3.4.0")
                 implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2")
+                implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.3.2")
                 implementation("io.ktor:ktor-client-core:1.6.7")
                 implementation("io.ktor:ktor-client-cio:1.6.7")
                 implementation("io.ktor:ktor-client-serialization:1.6.7")

src/nativeMain/kotlin/fi/schro/data/ConfigurationRepository.kt

@@ -1,9 +1,12 @@
 package fi.schro.data
 
-import fi.schro.util.FileUtil
+import com.github.ajalt.clikt.output.TermUi.echo
+import fi.schro.util.*
+import kotlinx.datetime.*
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
-import platform.posix.fopen
 
 interface ConfigurationRepository {
     suspend fun applyConfiguration(configurationFilePath: String, lightAddress: String, port: Int? = null)
@@ -14,7 +17,25 @@ class ConfigurationRepositoryImpl(
 ): ConfigurationRepository {
     override suspend fun applyConfiguration(configurationFilePath: String, lightAddress: String, port: Int?) {
         val configString = FileUtil.readAllText(configurationFilePath)
-        TODO("Not yet implemented")
+        val configuration = Json.decodeFromString<Configuration>(configString)
+        val statusToApply = determineCurrentStatus(configuration)
+
+        statusToApply?.let { newStatus ->
+            echo("applying new status:")
+            echo(newStatus.toString())
+            applyLightStatus(lightAddress, port, newStatus)
+        }
+    }
+
+    private fun determineCurrentStatus(configuration: Configuration): LightStatus? {
+        val currentTime = Clock.System.now().toLocalDateTime(TimeZone.currentSystemDefault())
+        val currentDate = TimeUtil.getCurrentDate()
+
+        return configuration.config.firstOrNull { timedConfiguration ->
+            val start = currentDate.atTime(timedConfiguration.start)
+            val end = currentDate.atTime(timedConfiguration.end)
+            currentTime in start..end
+        }?.status
     }
 
     private suspend fun applyLightStatus(lightAddress: String, port: Int?, status: LightStatus){
@@ -23,4 +44,16 @@ class ConfigurationRepositoryImpl(
             lightRepository.setLightStatus(lightAddress, port, statusUpdate)
         }
     }
-}
+}
+
+@Serializable
+data class Configuration(
+    @SerialName("config") val config: List<TimedStatusConfiguration>
+)
+
+@Serializable
+data class TimedStatusConfiguration(
+    @SerialName("start") @Serializable(with = LocalTimeSerializer::class) val start: LocalTime,
+    @SerialName("end") @Serializable(with = LocalTimeSerializer::class) val end: LocalTime,
+    @SerialName("status") val status: LightStatus
+)

src/nativeMain/kotlin/fi/schro/di/Modules.kt

@@ -13,7 +13,7 @@ import io.ktor.client.features.json.*
 import org.koin.dsl.module
 
 val commandModule = module {
-    single{ ApplyCommand() }
+    single{ ApplyCommand(get()) }
     single{ SetCommand(get()) }
     single{ GetCommand(get()) }
 }

src/nativeMain/kotlin/fi/schro/ui/HappyCatCommand.kt

@@ -7,6 +7,7 @@ import com.github.ajalt.clikt.parameters.options.check
 import com.github.ajalt.clikt.parameters.options.option
 import com.github.ajalt.clikt.parameters.types.enum
 import com.github.ajalt.clikt.parameters.types.int
+import fi.schro.data.ConfigurationRepository
 import fi.schro.data.LightRepository
 import fi.schro.data.LightStatus
 import kotlinx.coroutines.runBlocking
@@ -77,12 +78,16 @@ class GetCommand(
     }
 }
 
-class ApplyCommand: CliktCommand(name = "apply", help = "Applies the given configuration to the specified light"){
+class ApplyCommand(
+    private val configurationRepository: ConfigurationRepository
+): CliktCommand(name = "apply", help = "Applies the given configuration to the specified light"){
     private val configurationFile: String by argument(ARG_CONFIGURATION_FILE)
     private val targetLamp: String by argument(ARG_TARGET_LAMP)
 
     override fun run() {
-        echo("Configuration applied")
+        runBlocking {
+            configurationRepository.applyConfiguration(configurationFile, targetLamp)
+        }
     }
 }
 

src/nativeMain/kotlin/fi/schro/util/TimeUtil.kt

@@ -0,0 +1,38 @@
+package fi.schro.util
+
+import kotlinx.datetime.*
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+object TimeUtil {
+    fun getCurrentDate(): LocalDate {
+        val currentTime = Clock.System.now()
+        return currentTime.toLocalDateTime(TimeZone.currentSystemDefault()).date
+    }
+}
+
+fun LocalDate.atTime(time: LocalTime): LocalDateTime{
+    return LocalDateTime(year, month, dayOfMonth, time.hour, time.minute, 0, 0)
+}
+
+@Serializable
+data class LocalTime(val hour: Int, val minute: Int)
+
+object LocalTimeSerializer: KSerializer<LocalTime>{
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("Time", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): LocalTime {
+        val stringValue = decoder.decodeString()
+        val values = stringValue.split(":").map { it.toInt() }
+        return LocalTime(values[0], values[1])
+    }
+
+    override fun serialize(encoder: Encoder, value: LocalTime) {
+        encoder.encodeString("${value.hour}:${value.minute}")
+    }
+}