use crate::config::Config;
use crate::models::AnalysisResult;

pub struct DashboardLayout {
    pub header_height: u16,
    pub sidebar_width: u16,
    pub footer_height: u16,
}

impl DashboardLayout {
    pub fn new() -> Self {
        Self {
            header_height: 3,
            sidebar_width: 30,
            footer_height: 1,
        }
    }

    pub fn content_area(&self, width: u16, height: u16) -> (u16, u16, u16, u16) {
        let x = self.sidebar_width;
        let y = self.header_height;
        let w = width.saturating_sub(x);
        let h = height.saturating_sub(y).saturating_sub(self.footer_height);
        (x, y, w, h)
    }
}

pub fn render_dashboard(
    _result: &AnalysisResult,
    _config: &Config,
) {
    println!("Dashboard rendering - TUI coming soon!");
}

pub fn calculate_metrics(result: &AnalysisResult) -> DashboardMetrics {
    DashboardMetrics {
        total_commits: result.commit_frequency.total_commits,
        commits_per_day: result.commit_frequency.commits_per_day,
        total_contributors: result.contributors.top_contributors.len(),
        net_churn: result.code_churn.net_change,
        refactoring_score: result.refactoring.refactoring_score,
    }
}

pub struct DashboardMetrics {
    pub total_commits: usize,
    pub commits_per_day: f64,
    pub total_contributors: usize,
    pub net_churn: i64,
    pub refactoring_score: f64,
}