define static location for yt-dlp binary

app/download.go

@@ -0,0 +1,105 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+// startAsyncDownload initiates a download in a goroutine and handles progress updates
+func startAsyncDownload(s *discordgo.Session, i *discordgo.InteractionCreate, url, videoFormatID, audioFormatID, outputDir, tempDir string) {
+	progressChan := make(chan ProgressUpdate, 1)
+	resultChan := make(chan DownloadResult, 1)
+
+	// Start download in goroutine
+	go func() {
+		defer close(resultChan)
+		defer func() {
+			if r := recover(); r != nil {
+				// Handle panic from DownloadVideo
+				resultChan <- DownloadResult{
+					Success: false,
+					Message: fmt.Sprintf("Download failed: %v", r),
+					URL:     url,
+					Format:  fmt.Sprintf("video: %s, audio: %s", videoFormatID, audioFormatID),
+					Error:   fmt.Errorf("%v", r),
+				}
+			}
+		}()
+
+		// Call DownloadVideo (it panics on error instead of returning error)
+		DownloadVideo(outputDir, tempDir, url, DownloadOptions{
+			EmbedThumbnail:   true,
+			IncludeSubtitles: true,
+			VideoFormatID:    videoFormatID,
+			AudioFormatID:    audioFormatID,
+		}, progressChan)
+
+		// If we reach here, download was successful
+		resultChan <- DownloadResult{
+			Success: true,
+			Message: "Video Downloaded Successfully!",
+			URL:     url,
+			Format:  fmt.Sprintf("video: %s, audio: %s", videoFormatID, audioFormatID),
+			Error:   nil,
+		}
+	}()
+
+	// Handle progress and results asynchronously
+	go func() {
+		// First update the original ephemeral message with "Processing..."
+		_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+			Content: ptr(fmt.Sprintf("🔄 Processing download...\nURL: %s\nVideo: %s\nAudio: %s", url, videoFormatID, audioFormatID)),
+		})
+		if err != nil {
+			log.Printf("Error updating interaction: %v", err)
+		}
+
+		for {
+			select {
+			case prog, ok := <-progressChan:
+				if !ok {
+					progressChan = nil
+					continue
+				}
+				// Update message w/ phase and real time progress
+				phaseEmoji := "⏬"
+				if prog.Phase == "post-processing" {
+					phaseEmoji = "⚙️"
+				}
+				content := fmt.Sprintf("%s %s\n%s @ %s [eta: %s]\n📄 %s",
+					phaseEmoji,
+					prog.Phase,
+					prog.Status,
+					prog.Percent,
+					prog.ETA,
+					prog.Filename)
+				_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+					Content: ptr(content),
+				})
+				if err != nil {
+					log.Printf("Error updating progress: %v", err)
+				}
+			case result := <-resultChan:
+				// Handle completion
+				if result.Success {
+					_, err = s.FollowupMessageCreate(i.Interaction, false, &discordgo.WebhookParams{
+						Content: "📥 Video downloaded: " + result.URL,
+					})
+					if err != nil {
+						log.Printf("Error updating interaction: %v", err)
+					}
+				} else {
+					_, err = s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+						Content: ptr("❌ Download failed: " + result.Message),
+					})
+					if err != nil {
+						log.Printf("Error updating interaction: %v", err)
+					}
+				}
+				return
+			}
+		}
+	}()
+}

app/go.mod

@@ -2,12 +2,19 @@ module git.dubyatp.xyz/williamp/yt-dlp-bot
 
 go 1.25.2
 
+//replace github.com/lrstanley/go-ytdlp => /home/williamp/go-ytdlp
+
+replace github.com/lrstanley/go-ytdlp => github.com/dubyatp/go-ytdlp v0.0.0-20260213041320-010f95f0f1d3
+
+require (
+	github.com/bwmarrin/discordgo v0.29.0
+	github.com/lrstanley/go-ytdlp v1.2.7
+)
+
 require (
 	github.com/ProtonMail/go-crypto v1.3.0 // indirect
-	github.com/bwmarrin/discordgo v0.29.0 // indirect
 	github.com/cloudflare/circl v1.6.1 // indirect
 	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/lrstanley/go-ytdlp v1.2.7 // indirect
 	github.com/ulikunitz/xz v0.5.13 // indirect
 	golang.org/x/crypto v0.41.0 // indirect
 	golang.org/x/sys v0.35.0 // indirect

app/go.sum

@@ -4,10 +4,16 @@ github.com/bwmarrin/discordgo v0.29.0 h1:FmWeXFaKUwrcL3Cx65c20bTRW+vOb6k8AnaP+Eg
 github.com/bwmarrin/discordgo v0.29.0/go.mod h1:NJZpH+1AfhIcyQsPeuBKsUtYrRnjkyu0kIVMCHkZtRY=
 github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
 github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dubyatp/go-ytdlp v0.0.0-20260213041320-010f95f0f1d3 h1:tGzvzV6fSzybhIpwU+wjvjOSq8RBNtHENm+G03E+mgo=
+github.com/dubyatp/go-ytdlp v0.0.0-20260213041320-010f95f0f1d3/go.mod h1:38IL64XM6gULrWtKTiR0+TTNCVbxesNSbTyaFG2CGTI=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/lrstanley/go-ytdlp v1.2.7 h1:YNDvKkd0OCJSZLZePZvJwcirBCfL8Yw3eCwrTCE5w7Q=
-github.com/lrstanley/go-ytdlp v1.2.7/go.mod h1:38IL64XM6gULrWtKTiR0+TTNCVbxesNSbTyaFG2CGTI=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/ulikunitz/xz v0.5.13 h1:ar98gWrjf4H1ev05fYP/o29PDZw9DrI3niHtnEqyuXA=
 github.com/ulikunitz/xz v0.5.13/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
@@ -20,3 +26,5 @@ golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

app/main.go

@@ -5,157 +5,27 @@ import (
 	"log"
 	"os"
 	"os/signal"
-	"sync"
+	"sort"
 	"syscall"
 	"time"
 
 	"github.com/bwmarrin/discordgo"
 )
 
-// InteractionState holds the state for a specific interaction
-type InteractionState struct {
-	URL string
-}
-
-// DownloadResult represents the result of an async download operation
-type DownloadResult struct {
-	Success bool
-	Message string
-	URL     string
-	Format  string
-	Error   error
-}
-
-// startAsyncDownload initiates a download in a goroutine and handles progress updates
-func startAsyncDownload(s *discordgo.Session, i *discordgo.InteractionCreate, url, audioFormat, outputDir string) {
-	progressChan := make(chan ProgressUpdate, 1)
-	resultChan := make(chan DownloadResult, 1)
-
-	// Start download in goroutine
-	go func() {
-		defer close(resultChan)
-		defer func() {
-			if r := recover(); r != nil {
-				// Handle panic from downloadVideo
-				resultChan <- DownloadResult{
-					Success: false,
-					Message: fmt.Sprintf("Download failed: %v", r),
-					URL:     url,
-					Format:  audioFormat,
-					Error:   fmt.Errorf("%v", r),
-				}
-			}
-		}()
-
-		// Call downloadVideo (it panics on error instead of returning error)
-		downloadVideo(outputDir, url, DownloadOptions{EmbedThumbnail: true, IncludeSubtitles: true}, progressChan)
-
-		// If we reach here, download was successful
-		resultChan <- DownloadResult{
-			Success: true,
-			Message: "Video Downloaded Successfully!",
-			URL:     url,
-			Format:  audioFormat,
-			Error:   nil,
-		}
-	}()
-
-	// Handle progress and results asynchronously
-	go func() {
-		// First update the original ephemeral message with "Processing..."
-		_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
-			Content: ptr("🔄 Processing download...\nURL: " + url + "\nAudio: " + audioFormat),
-		})
-		if err != nil {
-			log.Printf("Error updating interaction: %v", err)
-		}
-
-		for {
-			select {
-			case prog, ok := <-progressChan:
-				if !ok {
-					progressChan = nil
-					continue
-				}
-				// Update message w/ phase and real time progress
-				phaseEmoji := "⏬"
-				if prog.Phase == "post-processing" {
-					phaseEmoji = "⚙️"
-				}
-				content := fmt.Sprintf("%s %s\n%s @ %s [eta: %s]\n📄 %s",
-					phaseEmoji,
-					prog.Phase,
-					prog.Status,
-					prog.Percent,
-					prog.ETA,
-					prog.Filename)
-				_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
-					Content: ptr(content),
-				})
-				if err != nil {
-					log.Printf("Error updating progress: %v", err)
-				}
-			case result := <-resultChan:
-				// Handle completion
-				if result.Success {
-					_, err = s.FollowupMessageCreate(i.Interaction, false, &discordgo.WebhookParams{
-						Content: "📥 Video downloaded: " + result.URL,
-					})
-					if err != nil {
-						log.Printf("Error updating interaction: %v", err)
-					}
-				} else {
-					_, err = s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
-						Content: ptr("❌ Download failed: " + result.Message),
-					})
-					if err != nil {
-						log.Printf("Error updating interaction: %v", err)
-					}
-				}
-				return
-			}
-		}
-	}()
-}
-
-// Helper function to create string pointer
-func ptr(s string) *string {
-	return &s
-}
-
-// Global state management
-var (
-	interactionStates      = make(map[string]*InteractionState)
-	interactionStatesMutex = sync.RWMutex{}
-)
-
-func getInteractionState(token string) *InteractionState {
-	interactionStatesMutex.RLock()
-	defer interactionStatesMutex.RUnlock()
-	return interactionStates[token]
-}
-
-func setInteractionState(token string, state *InteractionState) {
-	interactionStatesMutex.Lock()
-	defer interactionStatesMutex.Unlock()
-	interactionStates[token] = state
-}
-
-func deleteInteractionState(token string) {
-	interactionStatesMutex.Lock()
-	defer interactionStatesMutex.Unlock()
-	delete(interactionStates, token)
-}
-
 func main() {
 
 	out_dir := os.Getenv("OUT_PATH")
+	temp_dir := os.Getenv("TEMP_PATH")
 	bot_token := os.Getenv("DISCORD_TOKEN")
 
 	if out_dir == "" {
 		panic("No output dir specified")
 	}
 
+	if temp_dir == "" {
+		panic("No temp dir specified")
+	}
+
 	s, err := discordgo.New("Bot " + bot_token)
 	if err != nil {
 		log.Fatalf("Invalid bot parameters: %v", err)
@@ -188,7 +58,109 @@ func main() {
 
 	var componentHandlers = map[string]func(s *discordgo.Session, i *discordgo.InteractionCreate){
 		"video_select": func(s *discordgo.Session, i *discordgo.InteractionCreate) {
-			// Update components
+			// Get interaction state with fallback search
+			var state *InteractionState
+
+			// First try current token
+			state = getInteractionState(i.Interaction.Token)
+
+			// If not found, try to find state associated with this interaction context
+			if state == nil {
+				interactionStatesMutex.RLock()
+				for token, s := range interactionStates {
+					if s != nil && s.FormatOptions != nil {
+						// Found a state, transfer it to current token
+						state = s
+						// Copy to current token and clean up old one
+						interactionStatesMutex.RUnlock()
+						setInteractionState(i.Interaction.Token, state)
+						deleteInteractionState(token)
+						break
+					}
+				}
+				if state == nil {
+					interactionStatesMutex.RUnlock()
+				}
+			}
+			if state == nil || state.FormatOptions == nil {
+				s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+					Type: discordgo.InteractionResponseChannelMessageWithSource,
+					Data: &discordgo.InteractionResponseData{
+						Content: "Error: Session expired. Please start over with /download.",
+						Flags:   discordgo.MessageFlagsEphemeral,
+					},
+				})
+				return
+			}
+
+			// Get selected video format
+			selectedValues := i.MessageComponentData().Values
+			if len(selectedValues) == 0 {
+				s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+					Type: discordgo.InteractionResponseChannelMessageWithSource,
+					Data: &discordgo.InteractionResponseData{
+						Content: "Error: No video format selected",
+						Flags:   discordgo.MessageFlagsEphemeral,
+					},
+				})
+				return
+			}
+
+			// Store selected video format ID
+			state.VideoFormatID = selectedValues[0]
+			setInteractionState(i.Interaction.Token, state)
+
+			// Build audio format options
+			audioMenuOptions := []discordgo.SelectMenuOption{}
+			for _, aOpt := range state.FormatOptions.AudioOptions {
+				label := aOpt.Format
+				if aOpt.Language != nil {
+					label += fmt.Sprintf(" [%s]", *aOpt.Language)
+				}
+				if aOpt.TBR != nil {
+					label += fmt.Sprintf(" (%.0fkbps)", *aOpt.TBR)
+				}
+
+				// Discord has a 100 char limit on labels
+				if len(label) > 100 {
+					label = label[:97] + "..."
+				}
+
+				audioMenuOptions = append(audioMenuOptions, discordgo.SelectMenuOption{
+					Label: label,
+					Value: aOpt.FormatID,
+				})
+
+				// Discord has a limit of 25 options per select menu
+				if len(audioMenuOptions) >= 25 {
+					break
+				}
+			}
+
+			// Build video format options (to keep them visible but disabled)
+			videoMenuOptions := []discordgo.SelectMenuOption{}
+			for _, vOpt := range state.FormatOptions.VideoOptions {
+				label := fmt.Sprintf("%s (%s", vOpt.Resolution, vOpt.Ext)
+				if vOpt.TBR != nil {
+					label += fmt.Sprintf(", %.0fkbps", *vOpt.TBR)
+				}
+				label += ")"
+
+				if len(label) > 100 {
+					label = label[:97] + "..."
+				}
+
+				videoMenuOptions = append(videoMenuOptions, discordgo.SelectMenuOption{
+					Label: label,
+					Value: vOpt.FormatID,
+				})
+
+				if len(videoMenuOptions) >= 25 {
+					break
+				}
+			}
+
+			// Update components - disable video select, enable audio select
 			updatedComponents := []discordgo.MessageComponent{
 				discordgo.ActionsRow{
 					Components: []discordgo.MessageComponent{
@@ -197,20 +169,7 @@ func main() {
 							Placeholder: "Choose a video format...",
 							MaxValues:   1,
 							Disabled:    true,
-							Options: []discordgo.SelectMenuOption{
-								{
-									Label: "1920x1080 1080p (mp4, 1910kbps)",
-									Value: "1080p",
-								},
-								{
-									Label: "1280x720 720p (mp4, 700kbps)",
-									Value: "720p",
-								},
-								{
-									Label: "640x480 480p (mp4, 300kbps)",
-									Value: "480p",
-								},
-							},
+							Options:     videoMenuOptions,
 						},
 					},
 				},
@@ -221,16 +180,7 @@ func main() {
 							Placeholder: "Choose an audio format...",
 							MaxValues:   1,
 							Disabled:    false,
-							Options: []discordgo.SelectMenuOption{
-								{
-									Label: "Medium",
-									Value: "medium",
-								},
-								{
-									Label: "Low",
-									Value: "low",
-								},
-							},
+							Options:     audioMenuOptions,
 						},
 					},
 				},
@@ -285,21 +235,25 @@ func main() {
 
 			// Get selected audio format
 			selectedValues := i.MessageComponentData().Values
-			audioFormat := "medium" // default
+			audioFormatID := ""
 			if len(selectedValues) > 0 {
-				audioFormat = selectedValues[0]
+				audioFormatID = selectedValues[0]
 			}
 
+			// Store selected audio format ID
+			state.AudioFormatID = audioFormatID
+
 			response := ""
 			if state.URL != "" {
 				// Respond immediately to prevent timeout
-				response = "🚀 Starting download...\nURL: " + state.URL + "\nAudio: " + audioFormat + "\n\nYou'll receive an update when the download completes!"
+				response = fmt.Sprintf("🚀 Starting download...\nURL: %s\nVideo: %s\nAudio: %s\n\nYou'll receive an update when the download completes!",
+					state.URL, state.VideoFormatID, state.AudioFormatID)
 
 				// Start async download after responding
 				go func() {
 					// Small delay to ensure response is sent first
 					time.Sleep(100 * time.Millisecond)
-					startAsyncDownload(s, i, state.URL, audioFormat, out_dir)
+					startAsyncDownload(s, i, state.URL, state.VideoFormatID, state.AudioFormatID, out_dir, temp_dir)
 				}()
 
 				// Clean up state after starting download
@@ -342,36 +296,144 @@ func main() {
 				return
 			}
 
-			// Store URL in interaction state (we'll use the response message ID later)
-			// For now, store with the current token, then update after getting message ID
-			setInteractionState(i.Interaction.Token, &InteractionState{URL: url})
-
+			// Send initial "fetching formats" response
 			err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
 				Type: discordgo.InteractionResponseChannelMessageWithSource,
 				Data: &discordgo.InteractionResponseData{
-					Content: "Select a video format:",
+					Content: "🔍 Fetching available formats...",
 					Flags:   discordgo.MessageFlagsEphemeral,
-					Components: []discordgo.MessageComponent{
+				},
+			})
+			if err != nil {
+				log.Printf("Error: %v", err)
+				return
+			}
+
+			// Fetch formats asynchronously
+			go func() {
+				formatOptions, err := GetFormats(url)
+				if err != nil {
+					_, err = s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+						Content: ptr("❌ Error fetching formats: " + err.Error()),
+					})
+					if err != nil {
+						log.Printf("Error updating interaction: %v", err)
+					}
+					return
+				}
+
+				// Sort video formats: highest resolution first, then by bitrate
+				sort.Slice(formatOptions.VideoOptions, func(i, j int) bool {
+					// Compare by height (descending)
+					heightI := 0
+					if formatOptions.VideoOptions[i].Height != nil {
+						heightI = *formatOptions.VideoOptions[i].Height
+					}
+					heightJ := 0
+					if formatOptions.VideoOptions[j].Height != nil {
+						heightJ = *formatOptions.VideoOptions[j].Height
+					}
+
+					if heightI != heightJ {
+						return heightI > heightJ
+					}
+
+					// If heights are equal, compare by TBR (descending)
+					tbrI := 0.0
+					if formatOptions.VideoOptions[i].TBR != nil {
+						tbrI = *formatOptions.VideoOptions[i].TBR
+					}
+					tbrJ := 0.0
+					if formatOptions.VideoOptions[j].TBR != nil {
+						tbrJ = *formatOptions.VideoOptions[j].TBR
+					}
+
+					return tbrI > tbrJ
+				})
+
+				// Sort audio formats: highest bitrate first
+				sort.Slice(formatOptions.AudioOptions, func(i, j int) bool {
+					tbrI := 0.0
+					if formatOptions.AudioOptions[i].TBR != nil {
+						tbrI = *formatOptions.AudioOptions[i].TBR
+					}
+					tbrJ := 0.0
+					if formatOptions.AudioOptions[j].TBR != nil {
+						tbrJ = *formatOptions.AudioOptions[j].TBR
+					}
+
+					return tbrI > tbrJ
+				})
+
+				// Build video format options for Discord select menu
+				videoMenuOptions := []discordgo.SelectMenuOption{}
+				for _, vOpt := range formatOptions.VideoOptions {
+					label := fmt.Sprintf("%s (%s", vOpt.Resolution, vOpt.Ext)
+					if vOpt.TBR != nil {
+						label += fmt.Sprintf(", %.0fkbps", *vOpt.TBR)
+					}
+					label += ")"
+
+					// Discord has a 100 char limit on labels
+					if len(label) > 100 {
+						label = label[:97] + "..."
+					}
+
+					videoMenuOptions = append(videoMenuOptions, discordgo.SelectMenuOption{
+						Label: label,
+						Value: vOpt.FormatID,
+					})
+
+					// Discord has a limit of 25 options per select menu
+					if len(videoMenuOptions) >= 25 {
+						break
+					}
+				}
+
+				// Build audio format options for Discord select menu
+				audioMenuOptions := []discordgo.SelectMenuOption{}
+				for _, aOpt := range formatOptions.AudioOptions {
+					label := aOpt.Format
+					if aOpt.Language != nil {
+						label += fmt.Sprintf(" [%s]", *aOpt.Language)
+					}
+					if aOpt.TBR != nil {
+						label += fmt.Sprintf(" (%.0fkbps)", *aOpt.TBR)
+					}
+
+					// Discord has a 100 char limit on labels
+					if len(label) > 100 {
+						label = label[:97] + "..."
+					}
+
+					audioMenuOptions = append(audioMenuOptions, discordgo.SelectMenuOption{
+						Label: label,
+						Value: aOpt.FormatID,
+					})
+
+					// Discord has a limit of 25 options per select menu
+					if len(audioMenuOptions) >= 25 {
+						break
+					}
+				}
+
+				// Store format options in interaction state
+				setInteractionState(i.Interaction.Token, &InteractionState{
+					URL:           url,
+					FormatOptions: formatOptions,
+				})
+
+				// Update message with format selection menus
+				_, err = s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+					Content: ptr("Select a video format:"),
+					Components: &[]discordgo.MessageComponent{
 						discordgo.ActionsRow{
 							Components: []discordgo.MessageComponent{
 								discordgo.SelectMenu{
 									CustomID:    "video_select",
 									Placeholder: "Choose a video format...",
 									MaxValues:   1,
-									Options: []discordgo.SelectMenuOption{
-										{
-											Label: "1920x1080 1080p (mp4, 1910kbps)",
-											Value: "1080p",
-										},
-										{
-											Label: "1280x720 720p (mp4, 700kbps)",
-											Value: "720p",
-										},
-										{
-											Label: "640x480 480p (mp4, 300kbps)",
-											Value: "480p",
-										},
-									},
+									Options:     videoMenuOptions,
 								},
 							},
 						},
@@ -382,25 +444,16 @@ func main() {
 									Placeholder: "Choose an audio format...",
 									MaxValues:   1,
 									Disabled:    true,
-									Options: []discordgo.SelectMenuOption{
-										{
-											Label: "Medium",
-											Value: "medium",
-										},
-										{
-											Label: "Low",
-											Value: "low",
-										},
-									},
+									Options:     audioMenuOptions,
 								},
 							},
 						},
 					},
-				},
-			})
-			if err != nil {
-				log.Printf("Error: %v", err)
-			}
+				})
+				if err != nil {
+					log.Printf("Error updating interaction: %v", err)
+				}
+			}()
 		},
 	}
 
@@ -439,8 +492,4 @@ func main() {
 	<-sc
 
 	s.Close()
-
-	//var url string = "https://www.youtube.com/watch?v=WpBWSFF03eI"
-
-	//downloadVideo(out_dir, url, DownloadOptions{EmbedThumbnail: true, IncludeSubtitles: true})
 }

app/misc.go

@@ -0,0 +1,6 @@
+package main
+
+// Helper function to create string pointer
+func ptr(s string) *string {
+	return &s
+}

app/state.go

@@ -0,0 +1,27 @@
+package main
+
+import "sync"
+
+// Global state management
+var (
+	interactionStates      = make(map[string]*InteractionState)
+	interactionStatesMutex = sync.RWMutex{}
+)
+
+func getInteractionState(token string) *InteractionState {
+	interactionStatesMutex.RLock()
+	defer interactionStatesMutex.RUnlock()
+	return interactionStates[token]
+}
+
+func setInteractionState(token string, state *InteractionState) {
+	interactionStatesMutex.Lock()
+	defer interactionStatesMutex.Unlock()
+	interactionStates[token] = state
+}
+
+func deleteInteractionState(token string) {
+	interactionStatesMutex.Lock()
+	defer interactionStatesMutex.Unlock()
+	delete(interactionStates, token)
+}

app/types.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"time"
+
+	"github.com/lrstanley/go-ytdlp"
+)
+
+type DownloadOptions struct {
+	EmbedThumbnail   bool
+	IncludeSubtitles bool
+	VideoFormatID    string
+	AudioFormatID    string
+}
+
+type VideoOption struct {
+	Height     *int     `json:"height,omitempty"`
+	Resolution string   `json:"resolution,omitempty"`
+	FormatID   string   `json:"format_id"`
+	Ext        string   `json:"ext"`
+	TBR        *float64 `json:"tbr,omitempty"`
+}
+
+type AudioOption struct {
+	Format   string   `json:"format"`
+	FormatID string   `json:"format_id"`
+	Ext      string   `json:"ext"`
+	TBR      *float64 `json:"tbr,omitempty"`
+	Language *string  `json:"language,omitempty"`
+}
+
+type FormatOptions struct {
+	VideoOptions []VideoOption `json:"video_options"`
+	AudioOptions []AudioOption `json:"audio_options"`
+}
+
+type ProgressUpdate struct {
+	Status   ytdlp.ProgressStatus
+	Percent  string
+	ETA      time.Duration
+	Filename string
+	Phase    string
+}
+
+// InteractionState holds the state for a specific interaction
+type InteractionState struct {
+	URL           string
+	FormatOptions *FormatOptions
+	VideoFormatID string
+	AudioFormatID string
+}
+
+// DownloadResult represents the result of an async download operation
+type DownloadResult struct {
+	Success bool
+	Message string
+	URL     string
+	Format  string
+	Error   error
+}

app/ytdlp.go

@@ -2,32 +2,111 @@ package main
 
 import (
 	"context"
+	"encoding/json"
+	"os"
 	"time"
 
 	"github.com/lrstanley/go-ytdlp"
 )
 
-type DownloadOptions struct {
-	EmbedThumbnail   bool
-	IncludeSubtitles bool
+var ytdlpBinary = os.Getenv("YTDLP_BIN")
+
+func GetFormats(url string) (*FormatOptions, error) {
+	dl := ytdlp.New().
+		SetExecutable(ytdlpBinary).
+		SkipDownload().
+		DumpJSON()
+
+	result, err := dl.Run(context.TODO(), url)
+	if err != nil {
+		return nil, err
+	}
+
+	// Parse the JSON output
+	var info struct {
+		Formats []struct {
+			VCodec       *string  `json:"vcodec"`
+			ACodec       *string  `json:"acodec"`
+			NeedsTesting *bool    `json:"__needs_testing"`
+			Height       *int     `json:"height"`
+			Resolution   string   `json:"resolution"`
+			FormatID     string   `json:"format_id"`
+			Format       string   `json:"format"`
+			Ext          string   `json:"ext"`
+			TBR          *float64 `json:"tbr"`
+			Language     *string  `json:"language"`
+			LanguagePref *int     `json:"language_preference"`
+			URL          *string  `json:"url"`
+			Protocol     *string  `json:"protocol"`
+		} `json:"formats"`
+	}
+
+	if err := json.Unmarshal([]byte(result.Stdout), &info); err != nil {
+		return nil, err
+	}
+
+	formatOpts := &FormatOptions{
+		VideoOptions: []VideoOption{},
+		AudioOptions: []AudioOption{},
+	}
+
+	for _, fmt := range info.Formats {
+		// Skip formats that need testing
+		if fmt.NeedsTesting != nil && *fmt.NeedsTesting {
+			continue
+		}
+
+		// Skip SABR formats (https://github.com/yt-dlp/yt-dlp/issues/12482)
+		if fmt.URL == nil || *fmt.URL == "" {
+			continue
+		}
+
+		// Video-only: has video codec but no audio codec
+		if fmt.VCodec != nil && *fmt.VCodec != "none" &&
+			fmt.ACodec != nil && *fmt.ACodec == "none" {
+			formatOpts.VideoOptions = append(formatOpts.VideoOptions, VideoOption{
+				Height:     fmt.Height,
+				Resolution: fmt.Resolution,
+				FormatID:   fmt.FormatID,
+				Ext:        fmt.Ext,
+				TBR:        fmt.TBR,
+			})
+		}
+
+		// Audio-only: has audio codec but no video codec
+		if fmt.ACodec != nil && *fmt.ACodec != "none" &&
+			fmt.VCodec != nil && *fmt.VCodec == "none" {
+			audioOpt := AudioOption{
+				Format:   fmt.Format,
+				FormatID: fmt.FormatID,
+				Ext:      fmt.Ext,
+				TBR:      fmt.TBR,
+			}
+
+			// Use language if available, otherwise use language_preference
+			if fmt.Language != nil {
+				audioOpt.Language = fmt.Language
+			}
+
+			formatOpts.AudioOptions = append(formatOpts.AudioOptions, audioOpt)
+		}
+	}
+
+	return formatOpts, nil
 }
 
-type ProgressUpdate struct {
-	Status   ytdlp.ProgressStatus
-	Percent  string
-	ETA      time.Duration
-	Filename string
-	Phase    string
-}
-
-func downloadVideo(out_dir, url string, opts DownloadOptions, progressChan chan<- ProgressUpdate) {
+func DownloadVideo(out_dir, temp_dir, url string, opts DownloadOptions, progressChan chan<- ProgressUpdate) {
 	defer close(progressChan)
 
+	homePath := "home:" + out_dir
+	tempPath := "temp:" + temp_dir
+
 	var lastPhase string
 
 	dl := ytdlp.New().
-		SetWorkDir(out_dir).
-		FormatSort("res,ext:mp4:m4a").
+		SetExecutable(ytdlpBinary).
+		Paths(homePath).
+		Paths(tempPath).
 		RecodeVideo("mp4").
 		ProgressFunc(100*time.Millisecond, func(prog ytdlp.ProgressUpdate) {
 			// Detect phase transition -- differentiate "downloading" as the main download
@@ -54,6 +133,18 @@ func downloadVideo(out_dir, url string, opts DownloadOptions, progressChan chan<
 		}).
 		Output("%(title)s.%(ext)s")
 
+	// Set format if both video and audio format IDs are provided
+	if opts.VideoFormatID != "" && opts.AudioFormatID != "" {
+		dl = dl.Format(opts.VideoFormatID + "+" + opts.AudioFormatID)
+	} else if opts.VideoFormatID != "" {
+		dl = dl.Format(opts.VideoFormatID)
+	} else if opts.AudioFormatID != "" {
+		dl = dl.Format(opts.AudioFormatID)
+	} else {
+		// Default format selection if none specified
+		dl = dl.FormatSort("res,ext:mp4:m4a")
+	}
+
 	if opts.EmbedThumbnail {
 		dl = dl.EmbedThumbnail()
 	}

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1768875095,
-        "narHash": "sha256-dYP3DjiL7oIiiq3H65tGIXXIT1Waiadmv93JS0sS+8A=",
+        "lastModified": 1770537093,
+        "narHash": "sha256-pF1quXG5wsgtyuPOHcLfYg/ft/QMr8NnX0i6tW2187s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ed142ab1b3a092c4d149245d0c4126a5d7ea00b0",
+        "rev": "fef9403a3e4d31b0a23f0bacebbec52c248fbb51",
         "type": "github"
       },
       "original": {

flake.nix

@@ -46,6 +46,8 @@
                         .venv/bin/pip install -r ./app/requirements.txt
                         source .venv/bin/activate
                     fi
+
+                    export YTDLP_BIN=${pkgs.lib.getExe pkgs.yt-dlp}
                 '';
             };
         });