package main

import (
	"fmt"

	"github.com/jmoiron/sqlx"
	_ "github.com/lib/pq"
	_ "github.com/mattn/go-sqlite3"
	"github.com/rs/zerolog/log"
)

func db_get_transactions(transactions *[]Transaction, r *GetTransactionPaginationInput) error {
	db, err := sqlx.Connect(DB_TYPE, DB_CONNECTION_STRING)
	if err != nil {
		log.Fatal().
			Err(err).
			Msg("Fatal error in db_get_transactions\nCannot connect to server")
	}

	defer db.Close()

	err = db.Select(transactions,
		"SELECT trns_id, trns_amount, trns_description, "+
			"trns_account, trns_bucket, trns_date "+
			fmt.Sprintf("FROM %stransactions ORDER BY trns_id DESC ", DB_SCHEMA)+
			fmt.Sprintf("LIMIT %d OFFSET %d",
				r.ResultCount, r.PageNum*r.ResultCount))
	if err != nil {
		return err
	}
	return nil
}

func db_new_transaction(transaction Transaction) error {
	db, err := sqlx.Connect(DB_TYPE, DB_CONNECTION_STRING)
	if err != nil {
		log.Fatal().
			Err(err).
			Msg("Fatal error in db_get_transactions\nCannot connect to server")
	}

	defer db.Close()

	log.Debug().Msgf("%#v", transaction)

	_, err = db.NamedExec(
		fmt.Sprintf("INSERT INTO %stransactions", DB_SCHEMA)+
			"(trns_amount, trns_description, trns_account, trns_bucket, trns_date)"+
			"VALUES (:trns_amount, :trns_description, :trns_account, :trns_bucket, :trns_date)",
		transaction)
	if err != nil {
		log.Fatal().
			Err(err).
			Msg("Could not exec insert db query")
	}
	return nil
}