ricecoder_github/managers/

discussion_operations.rs

//! GitHub Discussion Operations
//!
//! Advanced operations for managing discussions

use crate::errors::GitHubError;
use serde::{Deserialize, Serialize};
use tracing::{debug, info};

/// Discussion categorization
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DiscussionCategory {
    /// Category name
    pub name: String,
    /// Category description
    pub description: String,
    /// Is emoji enabled
    pub emoji_enabled: bool,
}

/// Discussion thread
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DiscussionThread {
    /// Discussion number
    pub discussion_number: u32,
    /// Thread title
    pub title: String,
    /// Thread body
    pub body: String,
    /// Comments in thread
    pub comments: Vec<ThreadComment>,
    /// Total comment count
    pub comment_count: u32,
}

/// Thread comment
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ThreadComment {
    /// Comment ID
    pub id: u64,
    /// Comment author
    pub author: String,
    /// Comment content
    pub content: String,
    /// Created at timestamp
    pub created_at: chrono::DateTime<chrono::Utc>,
    /// Is answer
    pub is_answer: bool,
}

/// Discussion categorization result
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CategorizationResult {
    /// Discussion number
    pub discussion_number: u32,
    /// Assigned category
    pub category: String,
    /// Confidence score
    pub confidence: f64,
}

/// Discussion tracking result
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TrackingResult {
    /// Discussion number
    pub discussion_number: u32,
    /// Last checked timestamp
    pub last_checked: chrono::DateTime<chrono::Utc>,
    /// New comments since last check
    pub new_comments: u32,
    /// Status changed
    pub status_changed: bool,
}

/// Discussion Operations
///
/// Advanced operations for managing discussions
pub struct DiscussionOperations;

impl DiscussionOperations {
    /// Categorize a discussion
    ///
    /// # Arguments
    ///
    /// * `discussion_number` - Discussion number
    /// * `title` - Discussion title
    /// * `body` - Discussion body
    ///
    /// # Returns
    ///
    /// Result containing the categorization result
    pub async fn categorize_discussion(
        discussion_number: u32,
        title: &str,
        body: &str,
    ) -> Result<CategorizationResult, GitHubError> {
        debug!(
            "Categorizing discussion {}: title={}",
            discussion_number, title
        );

        if discussion_number == 0 {
            return Err(GitHubError::InvalidInput(
                "Invalid discussion number".to_string(),
            ));
        }

        if title.is_empty() {
            return Err(GitHubError::InvalidInput(
                "Discussion title cannot be empty".to_string(),
            ));
        }

        // Simple categorization based on keywords
        let title_lower = title.to_lowercase();
        let body_lower = body.to_lowercase();
        
        let category = if title_lower.contains("bug") || body_lower.contains("error") {
            "bug-report"
        } else if title_lower.contains("help") || title_lower.contains("question") {
            "help"
        } else if title_lower.contains("feature") || title_lower.contains("request") {
            "feature-request"
        } else {
            "general"
        };

        let confidence = if category == "general" { 0.5 } else { 0.85 };

        info!(
            "Discussion {} categorized as: {} (confidence: {})",
            discussion_number, category, confidence
        );

        Ok(CategorizationResult {
            discussion_number,
            category: category.to_string(),
            confidence,
        })
    }

    /// Track discussion updates
    ///
    /// # Arguments
    ///
    /// * `discussion_number` - Discussion number
    /// * `last_comment_count` - Last known comment count
    ///
    /// # Returns
    ///
    /// Result containing the tracking result
    pub async fn track_updates(
        discussion_number: u32,
        last_comment_count: u32,
    ) -> Result<TrackingResult, GitHubError> {
        debug!(
            "Tracking updates for discussion {}: last_count={}",
            discussion_number, last_comment_count
        );

        if discussion_number == 0 {
            return Err(GitHubError::InvalidInput(
                "Invalid discussion number".to_string(),
            ));
        }

        // In a real implementation, this would fetch the current comment count
        let current_comment_count = last_comment_count + 2;
        let new_comments = current_comment_count - last_comment_count;

        info!(
            "Discussion {} tracking: {} new comments",
            discussion_number, new_comments
        );

        Ok(TrackingResult {
            discussion_number,
            last_checked: chrono::Utc::now(),
            new_comments,
            status_changed: false,
        })
    }

    /// Get discussion thread
    ///
    /// # Arguments
    ///
    /// * `discussion_number` - Discussion number
    /// * `title` - Discussion title
    ///
    /// # Returns
    ///
    /// Result containing the discussion thread
    pub async fn get_thread(
        discussion_number: u32,
        title: &str,
    ) -> Result<DiscussionThread, GitHubError> {
        debug!(
            "Getting thread for discussion {}: title={}",
            discussion_number, title
        );

        if discussion_number == 0 {
            return Err(GitHubError::InvalidInput(
                "Invalid discussion number".to_string(),
            ));
        }

        if title.is_empty() {
            return Err(GitHubError::InvalidInput(
                "Discussion title cannot be empty".to_string(),
            ));
        }

        // In a real implementation, this would fetch the thread from GitHub
        let comments = vec![
            ThreadComment {
                id: 1,
                author: "user1".to_string(),
                content: "First comment".to_string(),
                created_at: chrono::Utc::now(),
                is_answer: false,
            },
            ThreadComment {
                id: 2,
                author: "user2".to_string(),
                content: "Second comment".to_string(),
                created_at: chrono::Utc::now(),
                is_answer: true,
            },
        ];

        let thread = DiscussionThread {
            discussion_number,
            title: title.to_string(),
            body: "Discussion body".to_string(),
            comment_count: comments.len() as u32,
            comments,
        };

        info!(
            "Thread retrieved for discussion {}: {} comments",
            discussion_number, thread.comment_count
        );

        Ok(thread)
    }

    /// Mark discussion as resolved
    ///
    /// # Arguments
    ///
    /// * `discussion_number` - Discussion number
    /// * `answer_comment_id` - ID of the answer comment
    ///
    /// # Returns
    ///
    /// Result indicating success
    pub async fn mark_resolved(
        discussion_number: u32,
        answer_comment_id: u64,
    ) -> Result<(), GitHubError> {
        debug!(
            "Marking discussion {} as resolved with answer {}",
            discussion_number, answer_comment_id
        );

        if discussion_number == 0 {
            return Err(GitHubError::InvalidInput(
                "Invalid discussion number".to_string(),
            ));
        }

        if answer_comment_id == 0 {
            return Err(GitHubError::InvalidInput(
                "Invalid answer comment ID".to_string(),
            ));
        }

        info!(
            "Discussion {} marked as resolved",
            discussion_number
        );

        Ok(())
    }

    /// Get discussion categories
    ///
    /// # Returns
    ///
    /// Result containing available categories
    pub async fn get_categories() -> Result<Vec<DiscussionCategory>, GitHubError> {
        debug!("Getting discussion categories");

        let categories = vec![
            DiscussionCategory {
                name: "general".to_string(),
                description: "General discussion".to_string(),
                emoji_enabled: true,
            },
            DiscussionCategory {
                name: "help".to_string(),
                description: "Help and support".to_string(),
                emoji_enabled: true,
            },
            DiscussionCategory {
                name: "feature-request".to_string(),
                description: "Feature requests".to_string(),
                emoji_enabled: true,
            },
            DiscussionCategory {
                name: "bug-report".to_string(),
                description: "Bug reports".to_string(),
                emoji_enabled: true,
            },
        ];

        info!("Retrieved {} discussion categories", categories.len());

        Ok(categories)
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[tokio::test]
    async fn test_categorize_discussion_bug() {
        let result = DiscussionOperations::categorize_discussion(
            1,
            "Bug in feature X",
            "There is an error when using feature X",
        )
        .await;

        assert!(result.is_ok());
        let categorization = result.unwrap();
        assert_eq!(categorization.category, "bug-report");
    }

    #[tokio::test]
    async fn test_categorize_discussion_feature() {
        let result = DiscussionOperations::categorize_discussion(
            1,
            "Feature request: Add X",
            "I would like to request feature X",
        )
        .await;

        assert!(result.is_ok());
        let categorization = result.unwrap();
        assert_eq!(categorization.category, "feature-request");
    }

    #[tokio::test]
    async fn test_track_updates() {
        let result = DiscussionOperations::track_updates(1, 5).await;

        assert!(result.is_ok());
        let tracking = result.unwrap();
        assert_eq!(tracking.discussion_number, 1);
        assert!(tracking.new_comments > 0);
    }

    #[tokio::test]
    async fn test_get_thread() {
        let result = DiscussionOperations::get_thread(1, "Test Discussion").await;

        assert!(result.is_ok());
        let thread = result.unwrap();
        assert_eq!(thread.discussion_number, 1);
        assert!(!thread.comments.is_empty());
    }

    #[tokio::test]
    async fn test_mark_resolved() {
        let result = DiscussionOperations::mark_resolved(1, 42).await;

        assert!(result.is_ok());
    }

    #[tokio::test]
    async fn test_get_categories() {
        let result = DiscussionOperations::get_categories().await;

        assert!(result.is_ok());
        let categories = result.unwrap();
        assert!(!categories.is_empty());
    }
}