Add UI support for playing discarded cards

Resolves:
https://github.com/joffrey-bion/seven-wonders/issues/25
Resolves:
https://github.com/joffrey-bion/seven-wonders/issues/26

4 files changed, 29 insertions, 6 deletions

diff --git a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/Moves.kt b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/Moves.kt
index 12084539..54142ad2 100644
--- a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/Moves.kt
+++ b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/Moves.kt
@@ -15,10 +15,21 @@ enum class Action(val message: String) {
     PLAY("Pick the card you want to play or discard."),
     PLAY_2("Pick the first card you want to play or discard. Note that you have the ability to play these 2 last cards. You will choose how to play the last one during your next turn."),
     PLAY_LAST("You have the special ability to play your last card. Choose how you want to play it."),
-    PLAY_FREE_DISCARDED("Pick a card from the discarded deck, you can play it for free."),
+    PLAY_FREE_DISCARDED("Pick a card from the discarded deck, you can play it for free (but you cannot discard for 3 " +
+            "gold coins or upgrade your wonder with it."),
     PICK_NEIGHBOR_GUILD("Choose a Guild card (purple) that you want to copy from one of your neighbours."),
     WAIT("Please wait for other players to perform extra actions."),
-    WATCH_SCORE("The game is over! Look at the scoreboard to see the final ranking!")
+    WATCH_SCORE("The game is over! Look at the scoreboard to see the final ranking!");
+
+    fun allowsBuildingWonder(): Boolean = when (this) {
+        PLAY, PLAY_2, PLAY_LAST -> true
+        else -> false
+    }
+
+    fun allowsDiscarding(): Boolean = when (this) {
+        PLAY, PLAY_2, PLAY_LAST -> true
+        else -> false
+    }
 }
 
 @Serializable
diff --git a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/boards/Boards.kt b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/boards/Boards.kt
index 2fdb40b6..68a85898 100644
--- a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/boards/Boards.kt
+++ b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/boards/Boards.kt
@@ -16,7 +16,8 @@ data class Board(
     val military: Military,
     val playedCards: List<List<TableCard>>,
     val gold: Int,
-    val bluePoints: Int
+    val bluePoints: Int,
+    val canPlayAnyCardForFree: Boolean
 )
 
 @Serializable
diff --git a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/cards/Cards.kt b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/cards/Cards.kt
index 5c7616a1..13a9042d 100644
--- a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/cards/Cards.kt
+++ b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/cards/Cards.kt
@@ -4,6 +4,7 @@ import kotlinx.serialization.Serializable
 import org.luxons.sevenwonders.model.api.PlayerDTO
 import org.luxons.sevenwonders.model.boards.Requirements
 import org.luxons.sevenwonders.model.resources.ResourceTransactions
+import org.luxons.sevenwonders.model.resources.noTransactions
 
 interface Card {
     val name: String
@@ -81,8 +82,18 @@ data class CardPlayability(
     val isPlayable: Boolean,
     val isChainable: Boolean = false,
     val minPrice: Int = Int.MAX_VALUE,
-    val cheapestTransactions: Set<ResourceTransactions> = emptySet(),
+    val cheapestTransactions: Set<ResourceTransactions> = setOf(noTransactions()),
     val playabilityLevel: PlayabilityLevel
 ) {
     val isFree: Boolean = minPrice == 0
+
+    companion object {
+        val SPECIAL_FREE = CardPlayability(
+            isPlayable = true,
+            isChainable = false,
+            minPrice = 0,
+            cheapestTransactions = setOf(noTransactions()),
+            playabilityLevel = PlayabilityLevel.SPECIAL_FREE
+        )
+    }
 }
diff --git a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/wonders/Wonders.kt b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/wonders/Wonders.kt
index e48a37d0..9e9a5b38 100644
--- a/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/wonders/Wonders.kt
+++ b/sw-common-model/src/commonMain/kotlin/org/luxons/sevenwonders/model/wonders/Wonders.kt
@@ -28,8 +28,8 @@ data class ApiWonderStage(
 @Serializable
 data class WonderBuildability(
     val isBuildable: Boolean,
-    val minPrice: Int = Int.MAX_VALUE,
-    val cheapestTransactions: Set<ResourceTransactions> = emptySet(),
+    val minPrice: Int,
+    val cheapestTransactions: Set<ResourceTransactions>,
     val playabilityLevel: PlayabilityLevel
 ) {
     val isFree: Boolean = minPrice == 0