import { option } from "@purrkit/router";
import db, { bugs, eq, getActor, sql } from "@stealth-developers/db";
import { AttachmentBuilder } from "discord.js";

import { errorMessage, getTextChannel } from "@/lib";
import { useGetData } from "@/middleware";

import { constructBugContainer } from "./shared";

export const bugModal = useGetData.modal("bug-report", {
	run: async (interaction, _, { actor, guild }) => {
		if (!actor || !guild)
			return errorMessage(interaction, "You must be in a server to report a bug.");

		const { fields: _fields } = interaction;
		const fields = {
			affected: _fields.getStringSelectValues("affected"),
			title: _fields.getTextInputValue("title"),
			description: _fields.getTextInputValue("description"),
			media: _fields.getUploadedFiles("media", false),
		};

		await interaction.deferReply({ flags: ["Ephemeral"] });

		const bugRes = await db.transaction(async (tx) => {
			const [res] = await tx
				.select({ count: sql<number>`COUNT(*)`.mapWith(Number) })
				.from(bugs)
				.where(eq(bugs.guildId, guild.id));

			if (!res) return null;
			const { count } = res;

			const bugNumber = count + 1;

			return await tx
				.insert(bugs)
				.values({
					guildId: guild.id,
					actorId: actor.id,

					bugNumber: bugNumber,
					status: "open",

					title: fields.title,
					description: fields.description,
					affectedProjects: [...fields.affected],

					sent: false,
					messageId: null,
					threadId: null,

					createdAt: new Date(),
					updatedAt: new Date(),
					closedAt: null,
				})
				.returning();
		});
		if (!bugRes) return errorMessage(interaction, "Failed to create bug report.");

		const bug = bugRes[0];
		if (!bug) return errorMessage(interaction, "Failed to create bug report.");

		let attachment: AttachmentBuilder | undefined;
		if (fields.media && fields.media.size > 0) {
			const [_, _attachment] = Array.from(fields.media)[0]!;
			try {
				const fileUrl = _attachment.url;
				const fileName = _attachment.name;
				if (fileUrl) {
					const res = await fetch(fileUrl);
					if (res.ok) {
						const arrayBuffer = await res.arrayBuffer();
						const buffer = Buffer.from(arrayBuffer);
						attachment = new AttachmentBuilder(buffer, { name: fileName });
					}
				}
			} catch (err) {
				console.error("error processing uploaded file:", err);
			}
		}

		const container = await constructBugContainer(bug, actor, attachment);
		if (!container) return;

		const channel = await getTextChannel("1512924775842840767");
		if (!channel) return errorMessage(interaction, "Failed to send bug report.");

		const message = await channel.send({
			components: [container],
			flags: ["IsComponentsV2"],
			...(attachment ? { files: [attachment] } : {}),
		});

		function truncateTitle(title: string, maxLength: number): string {
			return title.length > maxLength ? `${title.substring(0, maxLength)}...` : title;
		}
		const paddedNumber = bug.bugNumber.toString().padStart(4, "0");
		const threadName = `#${paddedNumber} ${truncateTitle(fields.title, 150)}`;
		const thread = await message.startThread({
			name: threadName,
			autoArchiveDuration: 1440,
		});

		await db
			.update(bugs)
			.set({ threadId: thread.id, messageId: message.id })
			.where(eq(bugs.id, bug.id));

		thread.send({
			content: "Use this space to discuss the bug, provide additional details, or ask questions.",
		});
		interaction.editReply(
			`Bug #${paddedNumber} created successfully! Find it here: ${message.url}`,
		);
	},
});

export const editBugModal = useGetData.modal("m-edit-bug", {
	options: {
		id: option.integer({ required: true }),
	},
	run: async (interaction, { id }, { actor, guild }) => {
		if (!actor || !guild)
			return errorMessage(interaction, "You must be in a server to edit a bug.");

		const { fields: _fields } = interaction;
		const fields = {
			affected: _fields.getStringSelectValues("affected"),
			title: _fields.getTextInputValue("title"),
			description: _fields.getTextInputValue("description"),
		};

		await interaction.deferReply({ flags: ["Ephemeral"] });

		const [bug] = await db.select().from(bugs).where(eq(bugs.id, id));

		if (!bug) return errorMessage(interaction, "Bug report not found.");

		const [updatedBug] = await db
			.update(bugs)
			.set({
				title: fields.title,
				description: fields.description,
				affectedProjects: [...fields.affected],
				updatedAt: new Date(),
			})
			.where(eq(bugs.id, bug.id))
			.returning();

		if (!updatedBug) return errorMessage(interaction, "Failed to update bug report.");

		const originalActor = await getActor(updatedBug.actorId);
		if (!originalActor) return errorMessage(interaction, "Failed to fetch original bug author.");

		const container = await constructBugContainer(updatedBug, originalActor);
		if (!container) return;

		const channel = await getTextChannel("1512924775842840767");
		if (!channel) return errorMessage(interaction, "Failed to find bug report channel.");

		if (updatedBug.messageId) {
			try {
				const message = await channel.messages.fetch(updatedBug.messageId);
				await message.edit({
					components: [container],
				});
			} catch (err) {
				console.error("error updating discord message:", err);
			}
		}

		const paddedNumber = updatedBug.bugNumber.toString().padStart(4, "0");

		await interaction.editReply({
			content: `Bug #${paddedNumber} updated,`,
		});
	},
});