start cleaning up models

app/src/main/java/com/geeksville/mesh/model/MessagesState.kt

@@ -0,0 +1,36 @@
+package com.geeksville.mesh.model
+
+import androidx.compose.mutableStateOf
+import com.geeksville.android.Logging
+import java.util.*
+
+/**
+ * the model object for a text message
+ */
+data class TextMessage(val from: String, val text: String, val date: Date = Date())
+
+
+object MessagesState : Logging {
+    val testTexts = listOf(
+        TextMessage(
+            "+16508675310",
+            "I found the cache"
+        ),
+        TextMessage(
+            "+16508675311",
+            "Help! I've fallen and I can't get up."
+        )
+    )
+
+    // If the following (unused otherwise) line is commented out, the IDE preview window works.
+    // if left in the preview always renders as empty.
+    val messages = mutableStateOf(testTexts, { a, b ->
+        a.size == b.size // If the # of messages changes, consider it important for rerender
+    })
+
+    fun addMessage(m: TextMessage) {
+        val l = messages.value.toMutableList()
+        l.add(m)
+        messages.value = l
+    }
+}

app/src/main/java/com/geeksville/mesh/model/NodeDB.kt

@@ -0,0 +1,48 @@
+package com.geeksville.mesh.model
+
+import androidx.compose.mutableStateOf
+import com.geeksville.mesh.MeshUser
+import com.geeksville.mesh.NodeInfo
+import com.geeksville.mesh.Position
+
+object NodeDB {
+    private val testPositions = arrayOf(
+        Position(32.776665, -96.796989, 35), // dallas
+        Position(32.960758, -96.733521, 35), // richardson
+        Position(
+            32.912901,
+            -96.781776,
+            35
+        ) // north dallas
+    )
+
+    val testNodeNoPosition = NodeInfo(
+        8,
+        MeshUser(
+            "+16508765308".format(8),
+            "Kevin MesterNoLoc",
+            "KLO"
+        ),
+        null,
+        12345
+    )
+
+    val testNodes = testPositions.mapIndexed { index, it ->
+        NodeInfo(
+            9 + index,
+            MeshUser(
+                "+165087653%02d".format(9 + index),
+                "Kevin Mester$index",
+                "KM$index"
+            ),
+            it,
+            12345
+        )
+    }
+
+    /// The unique ID of our node
+    val myId = mutableStateOf("+16508765309")
+
+    /// A map from nodeid to to nodeinfo
+    val nodes = mutableStateOf(testNodes.map { it.user!!.id to it }.toMap())
+}

app/src/main/java/com/geeksville/mesh/model/UIState.kt

@@ -0,0 +1,32 @@
+package com.geeksville.mesh.model
+
+import android.util.Base64
+import androidx.compose.mutableStateOf
+import com.geeksville.mesh.MeshProtos
+
+/// FIXME - figure out how to merge this staate with the AppStatus Model
+object UIState {
+
+    /// Kinda ugly - created in the activity but used from Compose - figure out if there is a cleaner way GIXME
+    // lateinit var googleSignInClient: GoogleSignInClient
+
+
+    /// Are we connected to our radio device
+    val isConnected = mutableStateOf(false)
+
+    /// various radio settings (including the channel)
+    val radioConfig = mutableStateOf(MeshProtos.RadioConfig.getDefaultInstance())
+
+    /// our name in hte radio
+    /// Note, we generate owner initials automatically for now
+    val ownerName = mutableStateOf("fixme readfromprefs")
+
+    /// Return an URL that represents the current channel values
+    val channelUrl
+        get(): String {
+            val channelBytes = radioConfig.value.channelSettings.toByteArray()
+            val enc = Base64.encodeToString(channelBytes, Base64.URL_SAFE + Base64.NO_WRAP)
+
+            return "https://www.meshtastic.org/c/$enc"
+        }
+}