quantrs2-device 0.1.3

//! Visualization Components for Performance Dashboard
//!
//! This module provides chart generation, dashboard rendering, and export
//! functionality for the performance analytics dashboard.

use super::config::{
    ChartType, ColorScheme, CustomVisualization, DashboardLayout, ExportFormat, ReportTemplate,
    VisualizationConfig,
};
use super::data::{DashboardData, RealtimeMetrics, TimeSeriesData};
use crate::DeviceResult;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::time::{Duration, SystemTime};

/// Dashboard renderer for generating visualizations
pub struct DashboardRenderer {
    config: VisualizationConfig,
    chart_generators: HashMap<ChartType, Box<dyn ChartGenerator + Send + Sync>>,
    layout_manager: LayoutManager,
    export_engine: ExportEngine,
    theme_manager: ThemeManager,
}

/// Chart generator trait
pub trait ChartGenerator {
    fn generate(&self, data: &ChartData, options: &ChartOptions) -> DeviceResult<Chart>;
    fn supports_interactivity(&self) -> bool;
    fn get_supported_formats(&self) -> Vec<ChartFormat>;
}

/// Chart data for rendering
#[derive(Debug, Clone)]
pub struct ChartData {
    pub data_type: ChartDataType,
    pub series: Vec<DataSeries>,
    pub metadata: ChartMetadata,
}

/// Chart data types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ChartDataType {
    TimeSeries,
    Categorical,
    Numerical,
    Correlation,
    Distribution,
    Geospatial,
    Custom(String),
}

/// Data series for charts
#[derive(Debug, Clone)]
pub struct DataSeries {
    pub name: String,
    pub data_points: Vec<DataPoint>,
    pub series_type: SeriesType,
    pub styling: SeriesStyling,
}

/// Data point
#[derive(Debug, Clone)]
pub struct DataPoint {
    pub x: DataValue,
    pub y: DataValue,
    pub z: Option<DataValue>, // For 3D charts
    pub metadata: HashMap<String, String>,
}

/// Data value types
#[derive(Debug, Clone)]
pub enum DataValue {
    Number(f64),
    Text(String),
    Timestamp(SystemTime),
    Boolean(bool),
    Array(Vec<f64>),
}

/// Series types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum SeriesType {
    Line,
    Bar,
    Scatter,
    Area,
    Candlestick,
    Bubble,
    Custom(String),
}

/// Series styling
#[derive(Debug, Clone)]
pub struct SeriesStyling {
    pub color: String,
    pub line_width: f64,
    pub marker_size: f64,
    pub opacity: f64,
    pub fill_pattern: Option<String>,
    pub custom_styles: HashMap<String, String>,
}

/// Chart metadata
#[derive(Debug, Clone)]
pub struct ChartMetadata {
    pub title: String,
    pub subtitle: Option<String>,
    pub x_axis_label: String,
    pub y_axis_label: String,
    pub data_source: String,
    pub last_updated: SystemTime,
    pub chart_id: String,
}

/// Chart options
#[derive(Debug, Clone)]
pub struct ChartOptions {
    pub width: u32,
    pub height: u32,
    pub interactive: bool,
    pub animation: bool,
    pub legend: LegendOptions,
    pub axes: AxesOptions,
    pub grid: GridOptions,
    pub tooltip: TooltipOptions,
    pub custom_options: HashMap<String, String>,
}

/// Legend options
#[derive(Debug, Clone)]
pub struct LegendOptions {
    pub show: bool,
    pub position: LegendPosition,
    pub orientation: LegendOrientation,
    pub styling: HashMap<String, String>,
}

/// Legend position
#[derive(Debug, Clone, PartialEq)]
pub enum LegendPosition {
    Top,
    Bottom,
    Left,
    Right,
    TopLeft,
    TopRight,
    BottomLeft,
    BottomRight,
    Custom { x: f64, y: f64 },
}

/// Legend orientation
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum LegendOrientation {
    Horizontal,
    Vertical,
}

/// Axes options
#[derive(Debug, Clone)]
pub struct AxesOptions {
    pub x_axis: AxisOptions,
    pub y_axis: AxisOptions,
    pub y2_axis: Option<AxisOptions>, // Secondary Y axis
}

/// Axis options
#[derive(Debug, Clone)]
pub struct AxisOptions {
    pub show: bool,
    pub title: String,
    pub min: Option<f64>,
    pub max: Option<f64>,
    pub tick_interval: Option<f64>,
    pub tick_format: String,
    pub logarithmic: bool,
    pub grid_lines: bool,
}

/// Grid options
#[derive(Debug, Clone)]
pub struct GridOptions {
    pub show: bool,
    pub major_lines: bool,
    pub minor_lines: bool,
    pub line_style: String,
    pub color: String,
    pub opacity: f64,
}

/// Tooltip options
#[derive(Debug, Clone)]
pub struct TooltipOptions {
    pub show: bool,
    pub format: String,
    pub background_color: String,
    pub border_color: String,
    pub follow_mouse: bool,
}

/// Generated chart
#[derive(Debug, Clone)]
pub struct Chart {
    pub chart_id: String,
    pub chart_type: ChartType,
    pub format: ChartFormat,
    pub content: ChartContent,
    pub metadata: ChartMetadata,
    pub interactive_features: Vec<InteractiveFeature>,
}

/// Chart formats
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ChartFormat {
    SVG,
    PNG,
    JPEG,
    HTML,
    Canvas,
    WebGL,
    PDF,
    Custom(String),
}

/// Chart content
#[derive(Debug, Clone)]
pub enum ChartContent {
    Image(Vec<u8>),
    SVG(String),
    HTML(String),
    JSON(String),
    Custom(String, Vec<u8>),
}

/// Interactive features
#[derive(Debug, Clone)]
pub enum InteractiveFeature {
    Zoom,
    Pan,
    Hover,
    Click,
    Brush,
    Crossfilter,
    Animation,
    Custom(String),
}

/// Layout manager for dashboard arrangement
pub struct LayoutManager {
    layout_type: DashboardLayout,
    grid_config: GridConfiguration,
    responsive_rules: Vec<ResponsiveRule>,
    layout_cache: HashMap<String, LayoutResult>,
}

/// Grid configuration
#[derive(Debug, Clone)]
pub struct GridConfiguration {
    pub columns: usize,
    pub rows: usize,
    pub gap: f64,
    pub padding: f64,
    pub responsive_breakpoints: Vec<Breakpoint>,
}

/// Responsive breakpoint
#[derive(Debug, Clone)]
pub struct Breakpoint {
    pub width: u32,
    pub columns: usize,
    pub chart_height: u32,
}

/// Responsive rule
#[derive(Debug, Clone)]
pub struct ResponsiveRule {
    pub condition: ResponsiveCondition,
    pub action: ResponsiveAction,
}

/// Responsive condition
#[derive(Debug, Clone)]
pub enum ResponsiveCondition {
    ScreenWidth { min: Option<u32>, max: Option<u32> },
    ScreenHeight { min: Option<u32>, max: Option<u32> },
    DeviceType(DeviceType),
    Custom(String),
}

/// Device types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum DeviceType {
    Desktop,
    Tablet,
    Mobile,
    TV,
    Custom(String),
}

/// Responsive action
#[derive(Debug, Clone)]
pub enum ResponsiveAction {
    ChangeLayout(DashboardLayout),
    AdjustChartSize { width: u32, height: u32 },
    HideCharts(Vec<String>),
    ReorderCharts(Vec<String>),
    Custom(String),
}

/// Layout result
#[derive(Debug, Clone)]
pub struct LayoutResult {
    pub layout_type: DashboardLayout,
    pub chart_positions: Vec<ChartPosition>,
    pub total_width: u32,
    pub total_height: u32,
    pub responsive_applied: Vec<String>,
}

/// Chart position in layout
#[derive(Debug, Clone)]
pub struct ChartPosition {
    pub chart_id: String,
    pub x: u32,
    pub y: u32,
    pub width: u32,
    pub height: u32,
    pub z_index: i32,
}

/// Export engine for generating reports
pub struct ExportEngine {
    export_formats: Vec<ExportFormat>,
    template_engine: TemplateEngine,
    format_converters: HashMap<ExportFormat, Box<dyn FormatConverter + Send + Sync>>,
}

/// Format converter trait
pub trait FormatConverter {
    fn convert(&self, content: &ExportContent, options: &ExportOptions) -> DeviceResult<Vec<u8>>;
    fn get_mime_type(&self) -> String;
    fn get_file_extension(&self) -> String;
}

/// Export content
#[derive(Debug, Clone)]
pub struct ExportContent {
    pub charts: Vec<Chart>,
    pub data_tables: Vec<DataTable>,
    pub text_sections: Vec<TextSection>,
    pub metadata: ExportMetadata,
}

/// Data table for export
#[derive(Debug, Clone)]
pub struct DataTable {
    pub table_id: String,
    pub title: String,
    pub headers: Vec<String>,
    pub rows: Vec<Vec<String>>,
    pub formatting: TableFormatting,
}

/// Table formatting
#[derive(Debug, Clone)]
pub struct TableFormatting {
    pub header_style: HashMap<String, String>,
    pub row_style: HashMap<String, String>,
    pub alternating_rows: bool,
    pub borders: bool,
}

/// Text section for export
#[derive(Debug, Clone)]
pub struct TextSection {
    pub section_id: String,
    pub title: String,
    pub content: String,
    pub format_type: TextFormatType,
    pub styling: HashMap<String, String>,
}

/// Text format types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum TextFormatType {
    PlainText,
    Markdown,
    HTML,
    LaTeX,
    Custom(String),
}

/// Export metadata
#[derive(Debug, Clone)]
pub struct ExportMetadata {
    pub title: String,
    pub author: String,
    pub creation_date: SystemTime,
    pub description: String,
    pub version: String,
    pub custom_fields: HashMap<String, String>,
}

/// Export options
#[derive(Debug, Clone)]
pub struct ExportOptions {
    pub format: ExportFormat,
    pub quality: ExportQuality,
    pub compression: bool,
    pub include_data: bool,
    pub include_metadata: bool,
    pub page_settings: PageSettings,
    pub custom_options: HashMap<String, String>,
}

/// Export quality
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ExportQuality {
    Low,
    Medium,
    High,
    Maximum,
    Custom(u32),
}

/// Page settings for export
#[derive(Debug, Clone)]
pub struct PageSettings {
    pub page_size: PageSize,
    pub orientation: PageOrientation,
    pub margins: PageMargins,
    pub header: Option<String>,
    pub footer: Option<String>,
}

/// Page size
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum PageSize {
    A4,
    A3,
    Letter,
    Legal,
    Custom { width: u32, height: u32 },
}

/// Page orientation
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum PageOrientation {
    Portrait,
    Landscape,
}

/// Page margins
#[derive(Debug, Clone)]
pub struct PageMargins {
    pub top: u32,
    pub bottom: u32,
    pub left: u32,
    pub right: u32,
}

/// Template engine for report generation
pub struct TemplateEngine {
    templates: HashMap<String, ReportTemplate>,
    template_cache: HashMap<String, CompiledTemplate>,
    variable_resolver: VariableResolver,
}

/// Compiled template
#[derive(Debug, Clone)]
pub struct CompiledTemplate {
    pub template_id: String,
    pub template_content: String,
    pub variables: Vec<TemplateVariable>,
    pub sections: Vec<TemplateSection>,
}

/// Template variable
#[derive(Debug, Clone)]
pub struct TemplateVariable {
    pub name: String,
    pub variable_type: VariableType,
    pub default_value: Option<String>,
    pub required: bool,
}

/// Variable types
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum VariableType {
    Text,
    Number,
    Date,
    Chart,
    Table,
    Image,
    Custom(String),
}

/// Template section
#[derive(Debug, Clone)]
pub struct TemplateSection {
    pub section_id: String,
    pub section_type: String,
    pub content: String,
    pub variables: Vec<String>,
    pub conditional: Option<String>,
}

/// Variable resolver
pub struct VariableResolver {
    resolvers: HashMap<String, Box<dyn VariableProvider + Send + Sync>>,
}

/// Variable provider trait
pub trait VariableProvider {
    fn resolve(&self, variable_name: &str, context: &ResolverContext) -> DeviceResult<String>;
    fn get_supported_variables(&self) -> Vec<String>;
}

/// Resolver context
#[derive(Debug, Clone)]
pub struct ResolverContext {
    pub dashboard_data: DashboardData,
    pub export_options: ExportOptions,
    pub user_variables: HashMap<String, String>,
}

/// Theme manager for consistent styling
pub struct ThemeManager {
    current_theme: Theme,
    available_themes: HashMap<String, Theme>,
    custom_css: HashMap<String, String>,
}

/// Theme definition
#[derive(Debug, Clone)]
pub struct Theme {
    pub theme_id: String,
    pub theme_name: String,
    pub color_palette: ColorPalette,
    pub typography: Typography,
    pub spacing: Spacing,
    pub borders: BorderStyles,
    pub shadows: ShadowStyles,
}

/// Color palette
#[derive(Debug, Clone)]
pub struct ColorPalette {
    pub primary: String,
    pub secondary: String,
    pub accent: String,
    pub background: String,
    pub surface: String,
    pub text_primary: String,
    pub text_secondary: String,
    pub success: String,
    pub warning: String,
    pub error: String,
    pub info: String,
    pub chart_colors: Vec<String>,
}

/// Typography settings
#[derive(Debug, Clone)]
pub struct Typography {
    pub font_family: String,
    pub font_sizes: HashMap<String, u32>,
    pub font_weights: HashMap<String, u32>,
    pub line_heights: HashMap<String, f64>,
}

/// Spacing settings
#[derive(Debug, Clone)]
pub struct Spacing {
    pub base_unit: u32,
    pub small: u32,
    pub medium: u32,
    pub large: u32,
    pub extra_large: u32,
}

/// Border styles
#[derive(Debug, Clone)]
pub struct BorderStyles {
    pub width: HashMap<String, u32>,
    pub style: HashMap<String, String>,
    pub color: HashMap<String, String>,
    pub radius: HashMap<String, u32>,
}

/// Shadow styles
#[derive(Debug, Clone)]
pub struct ShadowStyles {
    pub box_shadows: HashMap<String, String>,
    pub text_shadows: HashMap<String, String>,
}

impl DashboardRenderer {
    pub fn new(config: VisualizationConfig) -> Self {
        let mut chart_generators: HashMap<ChartType, Box<dyn ChartGenerator + Send + Sync>> =
            HashMap::new();

        // Initialize chart generators
        chart_generators.insert(ChartType::LineChart, Box::new(LineChartGenerator::new()));
        chart_generators.insert(ChartType::BarChart, Box::new(BarChartGenerator::new()));
        chart_generators.insert(ChartType::HeatMap, Box::new(HeatMapGenerator::new()));

        Self {
            config: config.clone(),
            chart_generators,
            layout_manager: LayoutManager::new(config.dashboard_layout.clone()),
            export_engine: ExportEngine::new(),
            theme_manager: ThemeManager::new(config.color_scheme),
        }
    }

    pub async fn render_dashboard(&self, data: &DashboardData) -> DeviceResult<DashboardView> {
        let mut charts = Vec::new();

        // Generate charts based on configuration
        for chart_type in &self.config.chart_types {
            if let Some(generator) = self.chart_generators.get(chart_type) {
                let chart_data = self.prepare_chart_data(data, chart_type)?;
                let chart_options = self.create_chart_options(chart_type)?;
                let chart = generator.generate(&chart_data, &chart_options)?;
                charts.push(chart);
            }
        }

        // Apply layout
        let layout = self.layout_manager.arrange_charts(&charts).await?;

        // Create dashboard view
        Ok(DashboardView {
            view_id: format!(
                "dashboard-{}",
                SystemTime::now()
                    .duration_since(std::time::UNIX_EPOCH)
                    .unwrap_or_default()
                    .as_secs()
            ),
            title: "Performance Analytics Dashboard".to_string(),
            charts,
            layout,
            theme: self.theme_manager.get_current_theme().clone(),
            last_updated: SystemTime::now(),
        })
    }

    pub async fn export_dashboard(
        &self,
        data: &DashboardData,
        export_options: &ExportOptions,
    ) -> DeviceResult<Vec<u8>> {
        let export_content = self.prepare_export_content(data).await?;
        self.export_engine
            .export(&export_content, export_options)
            .await
    }

    fn prepare_chart_data(
        &self,
        data: &DashboardData,
        chart_type: &ChartType,
    ) -> DeviceResult<ChartData> {
        match chart_type {
            ChartType::LineChart => self.prepare_line_chart_data(data),
            ChartType::BarChart => self.prepare_bar_chart_data(data),
            ChartType::HeatMap => self.prepare_heatmap_data(data),
            _ => Ok(ChartData::default()),
        }
    }

    fn prepare_line_chart_data(&self, data: &DashboardData) -> DeviceResult<ChartData> {
        // Convert realtime metrics to line chart data
        let series = vec![DataSeries {
            name: "Fidelity".to_string(),
            data_points: vec![DataPoint {
                x: DataValue::Timestamp(SystemTime::now()),
                y: DataValue::Number(data.realtime_metrics.device_metrics.fidelity),
                z: None,
                metadata: HashMap::new(),
            }],
            series_type: SeriesType::Line,
            styling: SeriesStyling::default(),
        }];

        Ok(ChartData {
            data_type: ChartDataType::TimeSeries,
            series,
            metadata: ChartMetadata {
                title: "Device Performance".to_string(),
                subtitle: Some("Real-time metrics".to_string()),
                x_axis_label: "Time".to_string(),
                y_axis_label: "Value".to_string(),
                data_source: "Performance Dashboard".to_string(),
                last_updated: SystemTime::now(),
                chart_id: "device-performance".to_string(),
            },
        })
    }

    fn prepare_bar_chart_data(&self, _data: &DashboardData) -> DeviceResult<ChartData> {
        // Simplified bar chart data preparation
        Ok(ChartData::default())
    }

    fn prepare_heatmap_data(&self, _data: &DashboardData) -> DeviceResult<ChartData> {
        // Simplified heatmap data preparation
        Ok(ChartData::default())
    }

    fn create_chart_options(&self, _chart_type: &ChartType) -> DeviceResult<ChartOptions> {
        Ok(ChartOptions {
            width: 800,
            height: 400,
            interactive: self.config.enable_interactive_charts,
            animation: true,
            legend: LegendOptions {
                show: true,
                position: LegendPosition::Right,
                orientation: LegendOrientation::Vertical,
                styling: HashMap::new(),
            },
            axes: AxesOptions {
                x_axis: AxisOptions::default(),
                y_axis: AxisOptions::default(),
                y2_axis: None,
            },
            grid: GridOptions::default(),
            tooltip: TooltipOptions::default(),
            custom_options: HashMap::new(),
        })
    }

    async fn prepare_export_content(&self, data: &DashboardData) -> DeviceResult<ExportContent> {
        // Prepare content for export
        Ok(ExportContent {
            charts: Vec::new(),
            data_tables: Vec::new(),
            text_sections: Vec::new(),
            metadata: ExportMetadata {
                title: "Performance Analytics Report".to_string(),
                author: "QuantRS Dashboard".to_string(),
                creation_date: SystemTime::now(),
                description: "Automated performance report".to_string(),
                version: "1.0".to_string(),
                custom_fields: HashMap::new(),
            },
        })
    }
}

/// Dashboard view result
#[derive(Debug, Clone)]
pub struct DashboardView {
    pub view_id: String,
    pub title: String,
    pub charts: Vec<Chart>,
    pub layout: LayoutResult,
    pub theme: Theme,
    pub last_updated: SystemTime,
}

// Chart generator implementations
struct LineChartGenerator;
struct BarChartGenerator;
struct HeatMapGenerator;

impl LineChartGenerator {
    const fn new() -> Self {
        Self
    }
}

impl ChartGenerator for LineChartGenerator {
    fn generate(&self, data: &ChartData, options: &ChartOptions) -> DeviceResult<Chart> {
        // Simplified line chart generation
        Ok(Chart {
            chart_id: data.metadata.chart_id.clone(),
            chart_type: ChartType::LineChart,
            format: ChartFormat::SVG,
            content: ChartContent::SVG("<svg>Line Chart</svg>".to_string()),
            metadata: data.metadata.clone(),
            interactive_features: if options.interactive {
                vec![
                    InteractiveFeature::Zoom,
                    InteractiveFeature::Pan,
                    InteractiveFeature::Hover,
                ]
            } else {
                Vec::new()
            },
        })
    }

    fn supports_interactivity(&self) -> bool {
        true
    }
    fn get_supported_formats(&self) -> Vec<ChartFormat> {
        vec![ChartFormat::SVG, ChartFormat::PNG, ChartFormat::HTML]
    }
}

impl BarChartGenerator {
    const fn new() -> Self {
        Self
    }
}

impl ChartGenerator for BarChartGenerator {
    fn generate(&self, data: &ChartData, _options: &ChartOptions) -> DeviceResult<Chart> {
        Ok(Chart {
            chart_id: data.metadata.chart_id.clone(),
            chart_type: ChartType::BarChart,
            format: ChartFormat::SVG,
            content: ChartContent::SVG("<svg>Bar Chart</svg>".to_string()),
            metadata: data.metadata.clone(),
            interactive_features: Vec::new(),
        })
    }

    fn supports_interactivity(&self) -> bool {
        true
    }
    fn get_supported_formats(&self) -> Vec<ChartFormat> {
        vec![ChartFormat::SVG, ChartFormat::PNG]
    }
}

impl HeatMapGenerator {
    const fn new() -> Self {
        Self
    }
}

impl ChartGenerator for HeatMapGenerator {
    fn generate(&self, data: &ChartData, _options: &ChartOptions) -> DeviceResult<Chart> {
        Ok(Chart {
            chart_id: data.metadata.chart_id.clone(),
            chart_type: ChartType::HeatMap,
            format: ChartFormat::SVG,
            content: ChartContent::SVG("<svg>Heat Map</svg>".to_string()),
            metadata: data.metadata.clone(),
            interactive_features: Vec::new(),
        })
    }

    fn supports_interactivity(&self) -> bool {
        false
    }
    fn get_supported_formats(&self) -> Vec<ChartFormat> {
        vec![ChartFormat::SVG, ChartFormat::PNG]
    }
}

impl LayoutManager {
    pub fn new(layout_type: DashboardLayout) -> Self {
        Self {
            layout_type,
            grid_config: GridConfiguration::default(),
            responsive_rules: Vec::new(),
            layout_cache: HashMap::new(),
        }
    }

    pub async fn arrange_charts(&self, charts: &[Chart]) -> DeviceResult<LayoutResult> {
        // Simplified layout arrangement
        let chart_positions = charts
            .iter()
            .enumerate()
            .map(|(i, chart)| ChartPosition {
                chart_id: chart.chart_id.clone(),
                x: (i % 2) as u32 * 400,
                y: (i / 2) as u32 * 300,
                width: 400,
                height: 300,
                z_index: i as i32,
            })
            .collect();

        Ok(LayoutResult {
            layout_type: self.layout_type.clone(),
            chart_positions,
            total_width: 800,
            total_height: 600,
            responsive_applied: Vec::new(),
        })
    }
}

impl Default for ExportEngine {
    fn default() -> Self {
        Self::new()
    }
}

impl ExportEngine {
    pub fn new() -> Self {
        Self {
            export_formats: vec![ExportFormat::PDF, ExportFormat::PNG, ExportFormat::HTML],
            template_engine: TemplateEngine::new(),
            format_converters: HashMap::new(),
        }
    }

    pub async fn export(
        &self,
        content: &ExportContent,
        options: &ExportOptions,
    ) -> DeviceResult<Vec<u8>> {
        // Simplified export implementation
        Ok(b"Exported content".to_vec())
    }
}

impl Default for TemplateEngine {
    fn default() -> Self {
        Self::new()
    }
}

impl TemplateEngine {
    pub fn new() -> Self {
        Self {
            templates: HashMap::new(),
            template_cache: HashMap::new(),
            variable_resolver: VariableResolver::new(),
        }
    }
}

impl Default for VariableResolver {
    fn default() -> Self {
        Self::new()
    }
}

impl VariableResolver {
    pub fn new() -> Self {
        Self {
            resolvers: HashMap::new(),
        }
    }
}

impl ThemeManager {
    pub fn new(color_scheme: ColorScheme) -> Self {
        let theme = Self::create_theme_from_scheme(color_scheme);
        let mut available_themes = HashMap::new();
        available_themes.insert(theme.theme_id.clone(), theme.clone());

        Self {
            current_theme: theme,
            available_themes,
            custom_css: HashMap::new(),
        }
    }

    pub const fn get_current_theme(&self) -> &Theme {
        &self.current_theme
    }

    fn create_theme_from_scheme(scheme: ColorScheme) -> Theme {
        let (primary, background, text) = match scheme {
            ColorScheme::Dark => (
                "#BB86FC".to_string(),
                "#121212".to_string(),
                "#FFFFFF".to_string(),
            ),
            ColorScheme::Light => (
                "#6200EE".to_string(),
                "#FFFFFF".to_string(),
                "#000000".to_string(),
            ),
            ColorScheme::Scientific => (
                "#1976D2".to_string(),
                "#F5F5F5".to_string(),
                "#212121".to_string(),
            ),
            _ => (
                "#6200EE".to_string(),
                "#FFFFFF".to_string(),
                "#000000".to_string(),
            ),
        };

        Theme {
            theme_id: format!("{scheme:?}").to_lowercase(),
            theme_name: format!("{scheme:?} Theme"),
            color_palette: ColorPalette {
                primary,
                secondary: "#03DAC6".to_string(),
                accent: "#FF5722".to_string(),
                background,
                surface: "#FFFFFF".to_string(),
                text_primary: text,
                text_secondary: "#757575".to_string(),
                success: "#4CAF50".to_string(),
                warning: "#FF9800".to_string(),
                error: "#F44336".to_string(),
                info: "#2196F3".to_string(),
                chart_colors: vec![
                    "#1976D2".to_string(),
                    "#388E3C".to_string(),
                    "#F57C00".to_string(),
                    "#7B1FA2".to_string(),
                    "#D32F2F".to_string(),
                    "#0097A7".to_string(),
                ],
            },
            typography: Typography::default(),
            spacing: Spacing::default(),
            borders: BorderStyles::default(),
            shadows: ShadowStyles::default(),
        }
    }
}

// Default implementations
impl Default for ChartData {
    fn default() -> Self {
        Self {
            data_type: ChartDataType::TimeSeries,
            series: Vec::new(),
            metadata: ChartMetadata {
                title: "Chart".to_string(),
                subtitle: None,
                x_axis_label: "X".to_string(),
                y_axis_label: "Y".to_string(),
                data_source: "Dashboard".to_string(),
                last_updated: SystemTime::now(),
                chart_id: "chart".to_string(),
            },
        }
    }
}

impl Default for SeriesStyling {
    fn default() -> Self {
        Self {
            color: "#1976D2".to_string(),
            line_width: 2.0,
            marker_size: 4.0,
            opacity: 1.0,
            fill_pattern: None,
            custom_styles: HashMap::new(),
        }
    }
}

impl Default for AxisOptions {
    fn default() -> Self {
        Self {
            show: true,
            title: String::new(),
            min: None,
            max: None,
            tick_interval: None,
            tick_format: "auto".to_string(),
            logarithmic: false,
            grid_lines: true,
        }
    }
}

impl Default for GridOptions {
    fn default() -> Self {
        Self {
            show: true,
            major_lines: true,
            minor_lines: false,
            line_style: "solid".to_string(),
            color: "#E0E0E0".to_string(),
            opacity: 0.5,
        }
    }
}

impl Default for TooltipOptions {
    fn default() -> Self {
        Self {
            show: true,
            format: "auto".to_string(),
            background_color: "#333333".to_string(),
            border_color: "#666666".to_string(),
            follow_mouse: true,
        }
    }
}

impl Default for GridConfiguration {
    fn default() -> Self {
        Self {
            columns: 2,
            rows: 2,
            gap: 16.0,
            padding: 16.0,
            responsive_breakpoints: vec![
                Breakpoint {
                    width: 768,
                    columns: 1,
                    chart_height: 300,
                },
                Breakpoint {
                    width: 1024,
                    columns: 2,
                    chart_height: 400,
                },
            ],
        }
    }
}

impl Default for Typography {
    fn default() -> Self {
        Self {
            font_family: "Roboto, sans-serif".to_string(),
            font_sizes: [
                ("small".to_string(), 12),
                ("medium".to_string(), 14),
                ("large".to_string(), 16),
                ("title".to_string(), 20),
            ]
            .iter()
            .cloned()
            .collect(),
            font_weights: [("normal".to_string(), 400), ("bold".to_string(), 700)]
                .iter()
                .cloned()
                .collect(),
            line_heights: [("normal".to_string(), 1.4), ("tight".to_string(), 1.2)]
                .iter()
                .cloned()
                .collect(),
        }
    }
}

impl Default for Spacing {
    fn default() -> Self {
        Self {
            base_unit: 8,
            small: 4,
            medium: 8,
            large: 16,
            extra_large: 32,
        }
    }
}

impl Default for BorderStyles {
    fn default() -> Self {
        Self {
            width: [("thin".to_string(), 1), ("medium".to_string(), 2)]
                .iter()
                .cloned()
                .collect(),
            style: [("solid".to_string(), "solid".to_string())]
                .iter()
                .cloned()
                .collect(),
            color: [("default".to_string(), "#E0E0E0".to_string())]
                .iter()
                .cloned()
                .collect(),
            radius: [("small".to_string(), 4), ("medium".to_string(), 8)]
                .iter()
                .cloned()
                .collect(),
        }
    }
}

impl Default for ShadowStyles {
    fn default() -> Self {
        Self {
            box_shadows: [
                ("small".to_string(), "0 2px 4px rgba(0,0,0,0.1)".to_string()),
                (
                    "medium".to_string(),
                    "0 4px 8px rgba(0,0,0,0.1)".to_string(),
                ),
            ]
            .iter()
            .cloned()
            .collect(),
            text_shadows: HashMap::new(),
        }
    }
}