package app

import (
	"context"
	"database/sql"
	"errors"
	"strings"
)

func (a *App) listWorkspaces(ctx context.Context, userID string) ([]Workspace, error) {
	rows, err := a.db.QueryContext(ctx, `SELECT id, user_id, name, unix_user FROM workspaces WHERE user_id=$1 ORDER BY name`, userID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	var out []Workspace
	for rows.Next() {
		var w Workspace
		if err := rows.Scan(&w.ID, &w.UserID, &w.Name, &w.UnixUser); err != nil {
			return nil, err
		}
		out = append(out, w)
	}
	return out, rows.Err()
}

func (a *App) createWorkspace(ctx context.Context, userID, name, unixUser string) (Workspace, error) {
	var w Workspace
	err := a.db.QueryRowContext(ctx, `INSERT INTO workspaces (user_id, name, unix_user) VALUES ($1,$2,$3) RETURNING id, user_id, name, unix_user`, userID, name, unixUser).
		Scan(&w.ID, &w.UserID, &w.Name, &w.UnixUser)
	if err != nil {
		if strings.Contains(err.Error(), "duplicate key") {
			return Workspace{}, errors.New("workspace name or unix_user already exists")
		}
		return Workspace{}, err
	}
	return w, nil
}

func (a *App) getWorkspace(ctx context.Context, userID string, workspaceID int64) (Workspace, error) {
	var w Workspace
	err := a.db.QueryRowContext(ctx, `SELECT id, user_id, name, unix_user FROM workspaces WHERE id=$1 AND user_id=$2`, workspaceID, userID).
		Scan(&w.ID, &w.UserID, &w.Name, &w.UnixUser)
	if err != nil {
		if errors.Is(err, sql.ErrNoRows) {
			return Workspace{}, errors.New("workspace not found")
		}
		return Workspace{}, err
	}
	return w, nil
}