import prisma from '../prisma/client.js';

export const getAllDepartments = async (req, res) => {
	try {
		const { admin } = req.query;

		const departments = await prisma.department.findMany({
			where: admin === 'true' ? {} : { isActive: true },
			orderBy: [{ sortOrder: 'asc' }, { name: 'asc' }],
		});

		const response = departments.map((dep) => ({
			departmentId: dep.departmentId,
			name: dep.name,
			image: dep.image ?? '',
			para1: dep.para1 ?? '',
			para2: dep.para2 ?? '',
			para3: dep.para3 ?? '',
			facilities: dep.facilities ?? '',
			services: dep.services ?? '',
			isActive: dep.isActive,
			sortOrder: dep.sortOrder,
		}));

		return res.status(200).json({
			success: true,
			data: response,
		});
	} catch (error) {
		console.error(error);
		return res.status(500).json({
			success: false,
			message: 'Failed to fetch departments',
		});
	}
};

export const getDepartmentByName = async (req, res) => {
	try {
		const { name } = req.query;

		if (!name) {
			return res.status(400).json({
				success: false,
				message: 'Department name is required',
			});
		}

		const department = await prisma.department.findFirst({
			where: {
				name: name,
				isActive: true,
			},
		});

		if (!department) {
			return res.status(404).json({
				success: false,
				message: 'Department not found or inactive',
			});
		}

		const response = {
			departmentId: department.departmentId,
			name: department.name,
			image: department.image ?? '',
			para1: department.para1 ?? '',
			para2: department.para2 ?? '',
			para3: department.para3 ?? '',
			facilities: department.facilities ?? '',
			services: department.services ?? '',
			isActive: department.isActive,
			sortOrder: department.sortOrder,
		};

		return res.status(200).json({
			success: true,
			data: [response],
		});
	} catch (error) {
		console.error(error);
		return res.status(500).json({
			success: false,
			message: 'Failed to fetch department',
		});
	}
};

export async function createDepartment(req, res) {
	try {
		const { departmentId, name, image, para1, para2, para3, facilities, services, isActive, sortOrder } = req.body;

		if (!departmentId || !name) {
			return res.status(400).json({ error: 'departmentId and name are required' });
		}

		const department = await prisma.department.create({
			data: {
				departmentId,
				name,
				image,
				para1,
				para2,
				para3,
				facilities,
				services,
				isActive: isActive !== undefined ? isActive : true,
				sortOrder: sortOrder !== undefined ? Number(sortOrder) : 0,
			},
		});

		res.status(201).json({
			message: 'Department created successfully',
			data: department,
		});
	} catch (error) {
		if (error.code === 'P2002') {
			return res.status(409).json({ error: 'Department already exists' });
		}
		console.error(error);
		res.status(500).json({ error: 'Failed to create department' });
	}
}

export const updateDepartment = async (req, res) => {
	try {
		const { departmentId } = req.params;
		const updateData = { ...req.body };

		if (updateData.sortOrder !== undefined) {
			updateData.sortOrder = Number(updateData.sortOrder);
		}

		const department = await prisma.department.update({
			where: { departmentId },
			data: updateData,
		});

		return res.status(200).json({
			success: true,
			message: 'Department updated successfully',
			data: department,
		});
	} catch (error) {
		console.error(error);
		return res.status(500).json({
			success: false,
			message: 'Failed to update department',
		});
	}
};

export const deleteDepartment = async (req, res) => {
	try {
		const { departmentId } = req.params;

		await prisma.department.delete({
			where: { departmentId },
		});

		return res.status(200).json({
			success: true,
			message: 'Department deleted successfully',
		});
	} catch (error) {
		console.error(error);
		return res.status(500).json({
			success: false,
			message: 'Failed to delete department',
		});
	}
};