// Copyright 2018 Drone.IO Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package datastore

import (
	"bytes"
	"io"
	"io/ioutil"

	"github.com/laszlocph/woodpecker/model"
	"github.com/laszlocph/woodpecker/store/datastore/sql"
	"github.com/russross/meddler"
)

func (db *datastore) LogFind(proc *model.Proc) (io.ReadCloser, error) {
	stmt := sql.Lookup(db.driver, "logs-find-proc")
	data := new(logData)
	err := meddler.QueryRow(db, data, stmt, proc.ID)
	buf := bytes.NewBuffer(data.Data)
	return ioutil.NopCloser(buf), err
}

func (db *datastore) LogSave(proc *model.Proc, r io.Reader) error {
	stmt := sql.Lookup(db.driver, "logs-find-proc")
	data := new(logData)
	err := meddler.QueryRow(db, data, stmt, proc.ID)
	if err != nil {
		data = &logData{ProcID: proc.ID}
	}
	data.Data, _ = ioutil.ReadAll(r)
	return meddler.Save(db, "logs", data)
}

type logData struct {
	ID     int64  `meddler:"log_id,pk"`
	ProcID int64  `meddler:"log_job_id"`
	Data   []byte `meddler:"log_data"`
}