Initial commit

app/src/main/java/com/mistral/chat/ui/MessageAdapter.kt

@@ -0,0 +1,80 @@
+package com.mistral.chat.ui
+
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import android.widget.Toast
+import androidx.recyclerview.widget.RecyclerView
+import com.mistral.chat.R
+import com.mistral.chat.data.Message
+
+class MessageAdapter(private val messages: List<Message>) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    override fun getItemViewType(position: Int): Int {
+        return if (messages[position].isUser) 0 else 1
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        return if (viewType == 0) {
+            val view = LayoutInflater.from(parent.context).inflate(R.layout.item_message_user, parent, false)
+            UserMessageHolder(view)
+        } else {
+            val view = LayoutInflater.from(parent.context).inflate(R.layout.item_message_assistant, parent, false)
+            AssistantMessageHolder(view)
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val message = messages[position]
+        when (holder) {
+            is UserMessageHolder -> holder.bind(message)
+            is AssistantMessageHolder -> holder.bind(message)
+        }
+    }
+
+    override fun getItemCount(): Int = messages.size
+
+    class UserMessageHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        fun bind(message: Message) {
+            val textView = itemView.findViewById<TextView>(R.id.messageText)
+            textView.text = message.content
+            textView.setBackgroundResource(R.drawable.bg_message_user)
+            textView.setTextColor(0xFFFFFFFF.toInt())
+            
+            itemView.setOnLongClickListener {
+                copyToClipboard(itemView.context, message.content)
+                true
+            }
+        }
+    }
+
+    class AssistantMessageHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        fun bind(message: Message) {
+            val senderNameView = itemView.findViewById<TextView>(R.id.senderName)
+            val textView = itemView.findViewById<TextView>(R.id.messageText)
+            
+            senderNameView.text = message.senderName ?: "Assistant"
+            textView.text = message.content
+            textView.setBackgroundResource(R.drawable.bg_message_assistant)
+            textView.setTextColor(0xFF000000.toInt())
+            
+            itemView.setOnLongClickListener {
+                copyToClipboard(itemView.context, message.content)
+                true
+            }
+        }
+    }
+
+    companion object {
+        fun copyToClipboard(context: Context, text: String) {
+            val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+            val clip = ClipData.newPlainText("Message", text)
+            clipboard.setPrimaryClip(clip)
+            Toast.makeText(context, "Copied to clipboard", Toast.LENGTH_SHORT).show()
+        }
+    }
+}