/*
   GoToSocial
   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero 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 Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package testrig

import (
	"context"
	"fmt"
	"os"
	"path"

	"codeberg.org/gruf/go-store/v2/kv"
	"codeberg.org/gruf/go-store/v2/storage"
	gtsstorage "github.com/superseriousbusiness/gotosocial/internal/storage"
)

// NewInMemoryStorage returns a new in memory storage with the default test config
func NewInMemoryStorage() *gtsstorage.Driver {
	storage := storage.OpenMemory(200, false)
	return &gtsstorage.Driver{
		KVStore: kv.New(storage),
		Storage: storage,
	}
}

// StandardStorageSetup populates the storage with standard test entries from the given directory.
func StandardStorageSetup(storage *gtsstorage.Driver, relativePath string) {
	storedA := newTestStoredAttachments()
	a := NewTestAttachments()
	for k, paths := range storedA {
		attachmentInfo, ok := a[k]
		if !ok {
			panic(fmt.Errorf("key %s not found in test attachments", k))
		}
		filenameOriginal := paths.Original
		filenameSmall := paths.Small
		pathOriginal := attachmentInfo.File.Path
		pathSmall := attachmentInfo.Thumbnail.Path
		bOriginal, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameOriginal))
		if err != nil {
			panic(err)
		}
		if _, err := storage.Put(context.TODO(), pathOriginal, bOriginal); err != nil {
			panic(err)
		}
		bSmall, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameSmall))
		if err != nil {
			panic(err)
		}
		if _, err := storage.Put(context.TODO(), pathSmall, bSmall); err != nil {
			panic(err)
		}
	}

	storedE := newTestStoredEmoji()
	e := NewTestEmojis()
	for k, paths := range storedE {
		emojiInfo, ok := e[k]
		if !ok {
			panic(fmt.Errorf("key %s not found in test emojis", k))
		}
		filenameOriginal := paths.Original
		filenameStatic := paths.Static
		pathOriginal := emojiInfo.ImagePath
		pathStatic := emojiInfo.ImageStaticPath
		bOriginal, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameOriginal))
		if err != nil {
			panic(err)
		}
		if _, err := storage.Put(context.TODO(), pathOriginal, bOriginal); err != nil {
			panic(err)
		}
		bStatic, err := os.ReadFile(fmt.Sprintf("%s/%s", relativePath, filenameStatic))
		if err != nil {
			panic(err)
		}
		if _, err := storage.Put(context.TODO(), pathStatic, bStatic); err != nil {
			panic(err)
		}
	}
}

// StandardStorageTeardown deletes everything in storage so that it's clean for
// the next test
// nolint:gocritic // complains about the type switch, but it's the cleanest solution
func StandardStorageTeardown(storage *gtsstorage.Driver) {
	defer os.RemoveAll(path.Join(os.TempDir(), "gotosocial"))

	// Open a storage iterator
	iter, err := storage.Iterator(context.Background(), nil)
	if err != nil {
		panic(err)
	}

	var keys []string

	for iter.Next() {
		// Collate all of the storage keys
		keys = append(keys, iter.Key())
	}

	// Done with iter
	iter.Release()

	for _, key := range keys {
		// Ignore errors, we just want to attempt delete all
		_ = storage.Delete(context.Background(), key)
	}
}