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// Package slashcommands converts MCP prompts to generic slash command Markdown format.
package slashcommands
import (
"fmt"
"regexp"
"strings"
"codeberg.org/snonux/hexai/internal/promptstore"
)
// ConvertPromptToMarkdown converts an MCP prompt to slash command Markdown.
// Returns a formatted Markdown string suitable for writing to a .md file.
func ConvertPromptToMarkdown(prompt *promptstore.Prompt) string {
var sb strings.Builder
// Title
sb.WriteString("# ")
sb.WriteString(prompt.Title)
sb.WriteString("\n\n")
// Description
if prompt.Description != "" {
sb.WriteString(prompt.Description)
sb.WriteString("\n\n")
}
// Arguments section
if len(prompt.Arguments) > 0 {
sb.WriteString(formatArguments(prompt.Arguments))
sb.WriteString("\n")
}
// Template section (first user message)
if len(prompt.Messages) > 0 {
sb.WriteString("## Template\n\n")
sb.WriteString(formatMessages(prompt.Messages))
sb.WriteString("\n\n")
}
// Tags section
if len(prompt.Tags) > 0 {
sb.WriteString("## Tags\n\n")
sb.WriteString(strings.Join(prompt.Tags, ", "))
sb.WriteString("\n\n")
}
// Footer
sb.WriteString("---\n")
sb.WriteString("*Generated from MCP prompt: ")
sb.WriteString(prompt.Name)
sb.WriteString("*\n")
return sb.String()
}
// formatArguments creates the Usage section with argument documentation.
// Returns formatted Markdown listing all arguments with their properties.
func formatArguments(args []promptstore.PromptArgument) string {
var sb strings.Builder
sb.WriteString("## Usage\n\n")
sb.WriteString("This prompt template accepts the following arguments:\n\n")
for _, arg := range args {
// Format: - **arg_name** (required/optional): Description
sb.WriteString("- **")
sb.WriteString(arg.Name)
sb.WriteString("** (")
if arg.Required {
sb.WriteString("required")
} else {
sb.WriteString("optional")
}
sb.WriteString("): ")
sb.WriteString(arg.Description)
sb.WriteString("\n")
}
return sb.String()
}
// formatMessages extracts the first user message for the Template section.
// Shows users what the prompt template looks like with {{placeholders}}.
func formatMessages(messages []promptstore.PromptMessage) string {
// Find first user message
for _, msg := range messages {
if msg.Role == "user" && msg.Content.Text != "" {
return msg.Content.Text
}
}
return "(No template content)"
}
// sanitizeFilename ensures prompt name is valid for filename.
// Replaces non-alphanumeric characters with hyphens.
func sanitizeFilename(name string) string {
// Replace any character that's not alphanumeric or underscore with hyphen
re := regexp.MustCompile(`[^a-zA-Z0-9_]+`)
sanitized := re.ReplaceAllString(name, "-")
// Remove leading/trailing hyphens
sanitized = strings.Trim(sanitized, "-")
// Convert to lowercase for consistency
return strings.ToLower(sanitized)
}
// MakeFilename creates a slash command filename with hexai- prefix.
// Returns: hexai-{sanitized_name}.md
func MakeFilename(promptName string) string {
return fmt.Sprintf("hexai-%s.md", sanitizeFilename(promptName))
}
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