package component

import (
	"context"
	"fmt"

	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"

	metadataPb "homelab.lan/music-agregator/gen/metadata/v1"
	"homelab.lan/music-agregator/internal/indexer"
	"homelab.lan/music-agregator/internal/torrent"
)

type mockMetadataClient struct {
	GetAlbumFunc        func(ctx context.Context, in *metadataPb.GetAlbumRequest, opts ...grpc.CallOption) (*metadataPb.GetAlbumResponse, error)
	GetArtistAlbumsFunc func(ctx context.Context, in *metadataPb.GetArtistAlbumsRequest, opts ...grpc.CallOption) (*metadataPb.GetArtistAlbumsResponse, error)
	GetAlbumTracksFunc  func(ctx context.Context, in *metadataPb.GetAlbumTracksRequest, opts ...grpc.CallOption) (*metadataPb.GetAlbumTracksResponse, error)
	GetArtistFunc       func(ctx context.Context, in *metadataPb.GetArtistRequest, opts ...grpc.CallOption) (*metadataPb.GetArtistResponse, error)
	SearchArtistsFunc   func(ctx context.Context, in *metadataPb.SearchArtistsRequest, opts ...grpc.CallOption) (*metadataPb.SearchArtistsResponse, error)
	GetTrackFunc        func(ctx context.Context, in *metadataPb.GetTrackRequest, opts ...grpc.CallOption) (*metadataPb.GetTrackResponse, error)
	SearchAlbumsFunc    func(ctx context.Context, in *metadataPb.SearchAlbumsRequest, opts ...grpc.CallOption) (*metadataPb.SearchAlbumsResponse, error)
	SyncArtistFunc      func(ctx context.Context, in *metadataPb.SyncArtistRequest, opts ...grpc.CallOption) (*metadataPb.SyncArtistResponse, error)
}

func (m *mockMetadataClient) GetAlbum(ctx context.Context, in *metadataPb.GetAlbumRequest, opts ...grpc.CallOption) (*metadataPb.GetAlbumResponse, error) {
	if m.GetAlbumFunc != nil {
		return m.GetAlbumFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) GetArtistAlbums(ctx context.Context, in *metadataPb.GetArtistAlbumsRequest, opts ...grpc.CallOption) (*metadataPb.GetArtistAlbumsResponse, error) {
	if m.GetArtistAlbumsFunc != nil {
		return m.GetArtistAlbumsFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) GetAlbumTracks(ctx context.Context, in *metadataPb.GetAlbumTracksRequest, opts ...grpc.CallOption) (*metadataPb.GetAlbumTracksResponse, error) {
	if m.GetAlbumTracksFunc != nil {
		return m.GetAlbumTracksFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) GetArtist(ctx context.Context, in *metadataPb.GetArtistRequest, opts ...grpc.CallOption) (*metadataPb.GetArtistResponse, error) {
	if m.GetArtistFunc != nil {
		return m.GetArtistFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) SearchArtists(ctx context.Context, in *metadataPb.SearchArtistsRequest, opts ...grpc.CallOption) (*metadataPb.SearchArtistsResponse, error) {
	if m.SearchArtistsFunc != nil {
		return m.SearchArtistsFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) GetTrack(ctx context.Context, in *metadataPb.GetTrackRequest, opts ...grpc.CallOption) (*metadataPb.GetTrackResponse, error) {
	if m.GetTrackFunc != nil {
		return m.GetTrackFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) SearchAlbums(ctx context.Context, in *metadataPb.SearchAlbumsRequest, opts ...grpc.CallOption) (*metadataPb.SearchAlbumsResponse, error) {
	if m.SearchAlbumsFunc != nil {
		return m.SearchAlbumsFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

func (m *mockMetadataClient) SyncArtist(ctx context.Context, in *metadataPb.SyncArtistRequest, opts ...grpc.CallOption) (*metadataPb.SyncArtistResponse, error) {
	if m.SyncArtistFunc != nil {
		return m.SyncArtistFunc(ctx, in, opts...)
	}
	return nil, status.Error(codes.Unimplemented, "not mocked")
}

type mockTorrentClient struct {
	LoginFunc           func(username, password string) (string, error)
	ListFunc            func() ([]torrent.TorrentInfo, error)
	FindFunc            func(opts torrent.FindOptions) ([]torrent.TorrentInfo, error)
	AddTorrentFunc      func(file torrent.TorrentFile, savePath string) error
	AddMagnetFunc       func(magnetURI string, savePath string) error
	DeleteTorrentFunc   func(hash string) error
	DefaultSavePathFunc func() (string, error)
}

func (m *mockTorrentClient) Login(username, password string) (string, error) {
	if m.LoginFunc != nil {
		return m.LoginFunc(username, password)
	}
	return "", fmt.Errorf("not mocked")
}

func (m *mockTorrentClient) List() ([]torrent.TorrentInfo, error) {
	if m.ListFunc != nil {
		return m.ListFunc()
	}
	return nil, fmt.Errorf("not mocked")
}

func (m *mockTorrentClient) Find(opts torrent.FindOptions) ([]torrent.TorrentInfo, error) {
	if m.FindFunc != nil {
		return m.FindFunc(opts)
	}
	return nil, fmt.Errorf("not mocked")
}

func (m *mockTorrentClient) AddTorrent(file torrent.TorrentFile, savePath string) error {
	if m.AddTorrentFunc != nil {
		return m.AddTorrentFunc(file, savePath)
	}
	return fmt.Errorf("not mocked")
}

func (m *mockTorrentClient) AddMagnet(magnetURI string, savePath string) error {
	if m.AddMagnetFunc != nil {
		return m.AddMagnetFunc(magnetURI, savePath)
	}
	return fmt.Errorf("not mocked")
}

func (m *mockTorrentClient) DeleteTorrent(hash string) error {
	if m.DeleteTorrentFunc != nil {
		return m.DeleteTorrentFunc(hash)
	}
	return nil
}

func (m *mockTorrentClient) DefaultSavePath() (string, error) {
	if m.DefaultSavePathFunc != nil {
		return m.DefaultSavePathFunc()
	}
	return "/downloads", nil
}

type mockSearcher struct {
	SearchFunc func(query string, limit int32, indexer string) (*indexer.SearchResponse, error)
}

func (m *mockSearcher) Search(query string, limit int32, idx string) (*indexer.SearchResponse, error) {
	if m.SearchFunc != nil {
		return m.SearchFunc(query, limit, idx)
	}
	return nil, fmt.Errorf("not mocked")
}

type mockResolver struct {
	ResolveFunc func(magnetURI string) ([]byte, error)
}

func (m *mockResolver) Resolve(magnetURI string) ([]byte, error) {
	if m.ResolveFunc != nil {
		return m.ResolveFunc(magnetURI)
	}
	return nil, fmt.Errorf("not mocked")
}