import db from "../db.js";

export function getNotesByProjectId(project_id) {
	return db
		.prepare(
			`
			SELECT n.*, 
			       u.name as created_by_name,
			       u.username as created_by_username
			FROM notes n
			LEFT JOIN users u ON n.created_by = u.id
			WHERE n.project_id = ? 
			ORDER BY n.note_date DESC
		`
		)
		.all(project_id);
}

export function addNoteToProject(project_id, note, created_by = null, is_system = false) {
	db.prepare(
		`
		INSERT INTO notes (project_id, note, created_by, is_system, note_date) 
		VALUES (?, ?, ?, ?, CURRENT_TIMESTAMP)
	`
	).run(project_id, note, created_by, is_system ? 1 : 0);
}

export function getNotesByTaskId(task_id) {
	return db
		.prepare(
			`
			SELECT n.*, 
			       u.name as created_by_name,
			       u.username as created_by_username
			FROM notes n
			LEFT JOIN users u ON n.created_by = u.id
			WHERE n.task_id = ? 
			ORDER BY n.note_date DESC
		`
		)
		.all(task_id);
}

export function addNoteToTask(
	task_id,
	note,
	is_system = false,
	created_by = null
) {
	db.prepare(
		`INSERT INTO notes (task_id, note, is_system, created_by, note_date) 
		 VALUES (?, ?, ?, ?, CURRENT_TIMESTAMP)`
	).run(task_id, note, is_system ? 1 : 0, created_by);
}

export function deleteNote(note_id) {
	db.prepare(`DELETE FROM notes WHERE note_id = ?`).run(note_id);
}

// Get all notes with user information (for admin/reporting purposes)
export function getAllNotesWithUsers() {
	return db
		.prepare(
			`
			SELECT n.*,
			       u.name as created_by_name,
			       u.username as created_by_username,
			       p.project_name,
			       COALESCE(pt.custom_task_name, t.name) as task_name
			FROM notes n
			LEFT JOIN users u ON n.created_by = u.id
			LEFT JOIN projects p ON n.project_id = p.project_id
			LEFT JOIN project_tasks pt ON n.task_id = pt.id
			LEFT JOIN tasks t ON pt.task_template_id = t.task_id
			ORDER BY n.note_date DESC
		`
		)
		.all();
}

// Get notes created by a specific user
export function getNotesByCreator(userId) {
	return db
		.prepare(
			`
			SELECT n.*,
			       u.name as created_by_name,
			       u.username as created_by_username,
			       p.project_name,
			       COALESCE(pt.custom_task_name, t.name) as task_name
			FROM notes n
			LEFT JOIN users u ON n.created_by = u.id
			LEFT JOIN projects p ON n.project_id = p.project_id
			LEFT JOIN project_tasks pt ON n.task_id = pt.id
			LEFT JOIN tasks t ON pt.task_template_id = t.task_id
			WHERE n.created_by = ?
			ORDER BY n.note_date DESC
		`
		)
		.all(userId);
}