//! Files view implementation.

use uuid::Uuid;

use crate::daemon::api::ApiClient;
use crate::daemon::tui::app::ListItem;

/// Load files from API
pub async fn load_files(
    client: &ApiClient,
    contract_id: Uuid,
) -> Result<Vec<ListItem>, Box<dyn std::error::Error>> {
    let result = client.contract_files(contract_id).await?;

    // Parse JSON response into ListItem
    let files: Vec<serde_json::Value> = serde_json::from_value(result.0)?;

    let items = files
        .into_iter()
        .filter_map(|f| {
            let id_str = f.get("id")?.as_str()?;
            let id = Uuid::parse_str(id_str).ok()?;

            Some(ListItem {
                id,
                name: f
                    .get("name")
                    .and_then(|v| v.as_str())
                    .unwrap_or("Unnamed")
                    .to_string(),
                status: None,
                description: f
                    .get("description")
                    .and_then(|v| v.as_str())
                    .map(String::from),
                updated_at: f
                    .get("updatedAt")
                    .and_then(|v| v.as_str())
                    .unwrap_or_default()
                    .to_string(),
                extra: f,
            })
        })
        .collect();

    Ok(items)
}

/// Get full file details for preview
pub async fn get_file_preview(
    client: &ApiClient,
    contract_id: Uuid,
    file_id: Uuid,
) -> Result<String, Box<dyn std::error::Error>> {
    let result = client.contract_file(contract_id, file_id).await?;
    let file: serde_json::Value = result.0;

    let name = file
        .get("name")
        .and_then(|v| v.as_str())
        .unwrap_or("Unknown");
    let description = file
        .get("description")
        .and_then(|v| v.as_str())
        .unwrap_or("-");

    // Try to get body content
    let body_preview = if let Some(body) = file.get("body") {
        if let Some(body_array) = body.as_array() {
            body_array
                .iter()
                .filter_map(|item| {
                    let text = item.get("text").and_then(|v| v.as_str())?;
                    Some(text.to_string())
                })
                .take(5)
                .collect::<Vec<_>>()
                .join("\n")
        } else {
            "-".to_string()
        }
    } else {
        "-".to_string()
    };

    Ok(format!(
        "Name: {}\nDescription: {}\n\nContent:\n{}",
        name, description, body_preview
    ))
}