import discord
from redbot.core import Config, app_commands, commands

class Issues(commands.Cog):
    """This cog allows you to create Gitea issues through a Discord modal.
    Developed by SeaswimmerTheFsh."""

    def __init__(self, bot):
        self.bot = bot
        self.config = Config.get_conf(self, identifier=4285273314713, force_registration=True)
        self.config.register_global(
            request_channel = None,
            gitea_repository_url = None,
            gitea_token = None
        )

    @commands.command()
    async def issuesconfig(self, ctx: commands.Context, channel: discord.TextChannel = None):
        if channel:
            await self.config.request_channel.set(channel.id)
            await ctx.send(content=f"Channel set to {channel.mention}.\nRun this command again without a channel argument to configure the other settings.")
        else:
            await ctx.channel.send(content="Click the button below to configure the cog.", view=self.IssueConfigurationButton(self.config, ctx))

    @app_commands.command()
    async def issuestest(self, interaction: discord.Interaction):
        color = await self.bot.get_embed_color(None)
        await interaction.response.send_message(content="Hello world!", view=self.IssueButtons(color, self, interaction), ephemeral=True)

    async def submit_issue_request(self, interaction: discord.Interaction, original_interaction: discord.Interaction, embed: discord.Embed):
        channel = self.bot.get_channel(self.config.request_channel())
        if channel is None:
            await original_interaction.edit_original_response(content="Command cancelled.", view=None)
            await interaction.response.send_message(content=f"The cog is misconfigured, please report this error.", ephemeral=True)
        try:
            await channel.send(embed=embed)
            await interaction.response.send_message(content=f"Issue request sent!", embed=embed, ephemeral=True)
        except (discord.HTTPException, discord.Forbidden) as error:
            await original_interaction.edit_original_response(content="Command cancelled.", view=None)
            await interaction.response.send_message(content=f"The cog is misconfigured, please report this error.\n```{error}```", ephemeral=True)

    class IssueButtons(discord.ui.View):
        def __init__(self, color, cog_instance, original_interaction):
            super().__init__()
            self.color = color
            self.cog_instance = cog_instance
            self.original_interaction = original_interaction

        @discord.ui.button(label="Bot Bug", style=discord.ButtonStyle.danger, row=0)
        async def issue_button_bot_bug(self, interaction: discord.Interaction, button: discord.ui.Button):
            await interaction.response.send_modal(Issues.BotBugModal(self.color, self.cog_instance, self.original_interaction))

        @discord.ui.button(label="Cog Bug", style=discord.ButtonStyle.danger, row=1)
        async def issue_button_cog_bug(self, interaction: discord.Interaction, button: discord.ui.Button):
            await interaction.response.send_modal(Issues.BotBugModal(self.color, self.cog_instance, self.original_interaction))

        @discord.ui.button(label="Bot Suggestion", style=discord.ButtonStyle.blurple, row=0)
        async def issue_button_bot_suggestion(self, interaction: discord.Interaction, button: discord.ui.Button):
            await interaction.response.send_modal(Issues.BotBugModal(self.color, self.cog_instance, self.original_interaction))

        @discord.ui.button(label="Cog Suggestion", style=discord.ButtonStyle.blurple, row=1)
        async def issue_button_cog_suggestion(self, interaction: discord.Interaction, button: discord.ui.Button):
            await interaction.response.send_modal(Issues.BotBugModal(self.color, self.cog_instance, self.original_interaction))

    class BotBugModal(discord.ui.Modal, title="Creating issue..."):
        def __init__(self, color, cog_instance, original_interaction):
            super().__init__()
            self.color = color
            self.cog_instance = cog_instance
            self.original_interaction = original_interaction

        bug_description = discord.ui.TextInput(
            label="Describe the bug",
            placeholder="A clear and concise description of what the bug is.",
            style=discord.TextStyle.paragraph,
            max_length=2048
        )
        reproduction_steps = discord.ui.TextInput(
            label="To Reproduce",
            placeholder="What caused the bug?",
            style=discord.TextStyle.paragraph,
            required=True,
            max_length=2048
        )
        expected_behavior = discord.ui.TextInput(
            label="Expected Behavior",
            placeholder="A clear and concise description of what you expected to happen.",
            style=discord.TextStyle.paragraph,
            required=True,
            max_length=2048
        )
        additional_context = discord.ui.TextInput(
            label="Additional Context",
            placeholder="Add any other context about the problem here.",
            style=discord.TextStyle.paragraph,
            required=False,
            max_length=2048
        )

        async def on_submit(self, interaction: discord.Interaction):
            embed = discord.Embed(title = "Issue Request", color = self.color)
            fields = [self.bug_description, self.reproduction_steps, self.expected_behavior, self.additional_context]
            for item in fields:
                title = item.label
                value = item.value
                if value is not None:
                    embed.add_field(name=title, value=value, inline=False)
            if interaction.user.discriminator == 0:
                username = interaction.user.name
            else:
                username = f"{interaction.user.name}#{interaction.user.discriminator}"
            embed.set_footer(text=f"Submitted by {username} ({interaction.user.id})", icon_url=interaction.user.display_avatar.url)
            await self.cog_instance.submit_issue_request(interaction=interaction, original_interaction=self.original_interaction, embed=embed)

    class IssueConfigurationButton(discord.ui.View):
        def __init__(self, config, ctx):
            super().__init__()
            self.config = config
            self.ctx = ctx

        @discord.ui.button(label="Change Configuration", style=discord.ButtonStyle.blurple, row=0)
        async def issue_configuration_button(self, interaction: discord.Interaction, button: discord.ui.Button):
            await interaction.response.send_modal(Issues.IssuesConfigurationModal(self.config, self.ctx))

    class IssuesConfigurationModal(discord.ui.Modal, title="Modifying configuration..."):
        def __init__(self, config, ctx):
            super().__init__()
            self.config = config
            self.ctx = ctx

        gitea_repository_url = discord.ui.TextInput(
            label="Gitea Repository URL",
            placeholder="https://try.gitea.io/owner/repository",
            style=discord.TextStyle.short,
            max_length=200
        )
        gitea_token = discord.ui.TextInput(
            label="Gitea User Access Token",
            placeholder="Generate one from your user settings page.",
            style=discord.TextStyle.short,
            max_length=200
        )

        async def on_submit(self, interaction: discord.Interaction):
            if self.gitea_token.value is not None:
                await self.config.gitea_token.set(self.gitea_token.value)
            if self.gitea_repository_url.value is not None:
                await self.config.gitea_repository_url.set(self.gitea_repository_url.value)
            await interaction.response.send_message(content="Configuration changed!")