package database

import (
	"context"

	"certmanager/internal/descriptor"

	_ "github.com/mattn/go-sqlite3"
)

func (db *Database) InsertGrant(ctx context.Context, grant *descriptor.Grant) error {
	var err error
	request := `INSERT INTO grant(id, account_id, operation, created_at)
                        VALUES ($1, $2, $3, $4)`
	_, err = db.db.Exec(request, grant.ID, grant.AccountID, grant.Operation, grant.CreatedAt)
	if err != nil {
		return err
	}
	return err
}

func (db *Database) ListGrantsByAccountID(ctx context.Context, accountID int64) ([]descriptor.Grant, error) {
	var err error
	request := `SELECT * FROM grant WHERE account_id = $1`
	res := make([]descriptor.Grant, 0)
	err = db.db.Select(&res, request, accountID)
	if err != nil {
		return res, err
	}
	return res, err
}

func (db *Database) ListGrants(ctx context.Context) ([]descriptor.Grant, error) {
	var err error
	request := `SELECT * FROM grant`
	res := make([]descriptor.Grant, 0)
	err = db.db.Select(&res, request)
	if err != nil {
		return res, err
	}
	return res, err
}

func (db *Database) GetGrant(ctx context.Context, accountID int64, operation string) (bool, *descriptor.Grant, error) {
	var err error
	res := &descriptor.Grant{}
	request := `SELECT * FROM grant WHERE account_id = $1 AND operation = $2 LIMIT 1`
	dbRes := make([]descriptor.Grant, 0)
	err = db.db.Select(&dbRes, request, accountID, operation)
	if err != nil {
		return false, res, err
	}
	if len(dbRes) == 0 {
		return false, res, err

	}
	res = &dbRes[0]
	return true, res, err
}

func (db *Database) DeleteGrantByAccountID(ctx context.Context, grantID int64, operation string) error {
	var err error
	request := `DELETE FROM grant WHERE account_id = $1 AND operation = $2`
	_, err = db.db.Exec(request, grantID, operation)
	if err != nil {
		return err
	}
	return err
}

func (db *Database) DeleteAllGrantsForAccountID(ctx context.Context, grantID int64) error {
	var err error
	request := `DELETE FROM grant WHERE account_id = $1`
	_, err = db.db.Exec(request, grantID)
	if err != nil {
		return err
	}
	return err
}