// Copyright (c) 2025 Nikolai Papin
// 
// This file is part of Easywish
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
// the GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

package database

import (
	"context"

	"easywish/config"

	"github.com/jackc/pgx/v5"
	"github.com/jackc/pgx/v5/pgconn"
	"github.com/jackc/pgx/v5/pgxpool"
)

type DbContext interface {
	DBTX
	Close()
	BeginTx(ctx context.Context) (pgx.Tx, error)
}

type dbContextImpl struct {
	Pool *pgxpool.Pool
}

func NewDbContext() DbContext {
	pool, err := pgxpool.New(context.Background(), config.GetConfig().DatabaseUrl)
	if err != nil {
		panic("db connection failed: " + err.Error())
	}
	return &dbContextImpl{Pool: pool}
}

func (d *dbContextImpl) Close() {
	d.Pool.Close()
}

func (d *dbContextImpl) Exec(ctx context.Context, sql string, args ...any) (pgconn.CommandTag, error) {
	return d.Pool.Exec(ctx, sql, args...)
}

func (d *dbContextImpl) Query(ctx context.Context, sql string, args ...any) (pgx.Rows, error) {
	return d.Pool.Query(ctx, sql, args...)
}

func (d *dbContextImpl) QueryRow(ctx context.Context, sql string, args ...any) pgx.Row {
	return d.Pool.QueryRow(ctx, sql, args...)
}

func (d *dbContextImpl) BeginTx(ctx context.Context) (pgx.Tx, error) {
	return d.Pool.Begin(ctx)
}