from typing import Dict, List
import discord
from discord.ui import View, Button
from FileBrowserSelect import FileBrowserSelect

class CommitActionsView(View):
    """Action buttons for a specific commit"""
    def __init__(self, commit: Dict, files: List[Dict], timeout: int = 60):
        super().__init__(timeout=timeout)
        self.commit = commit
        self.files = files
        self.commit_sha = commit['sha']
        self.commit_short = commit['sha'][:7]

        # Link button that opens the commit in Gitea
        link_button = Button(
            label="🔗 Open in Gitea",
            style=discord.ButtonStyle.link,
            url=commit['html_url'],
            emoji="🔗"
        )
        self.add_item(link_button)

        # Add a file browser select if files exist
        if files:
            self.add_item(FileBrowserSelect(files, self.commit_sha))

    @discord.ui.button(label="📊 View Diff", style=discord.ButtonStyle.primary)
    async def view_diff(self, interaction: discord.Interaction, button: Button):
        # Import here to avoid circular import with main.py
        from main import show_commit_diff_interactive
        await show_commit_diff_interactive(interaction, self.commit_sha)

    @discord.ui.button(label="📁 Browse Files", style=discord.ButtonStyle.secondary)
    async def browse_files(self, interaction: discord.Interaction, button: Button):
        if not self.files:
            await interaction.response.send_message("No files changed in this commit.", ephemeral=True)
            return

        embed = discord.Embed(
            title=f"📁 Files in commit `{self.commit_short}`",
            description="Select a file to view its diff:",
            color=discord.Color.blue()
        )

        file_list = "\n".join([
            f"• `{f['filename']}` (+{f.get('additions', 0)}/-{f.get('deletions', 0)})"
            for f in self.files[:10]
        ])
        if len(self.files) > 10:
            file_list += f"\n... and {len(self.files) - 10} more"

        embed.add_field(name="Changed Files", value=file_list, inline=False)

        view = FileBrowserSelect(self.files, self.commit_sha)
        await interaction.response.send_message(embed=embed, view=view, ephemeral=True)