pacsea 0.8.2

use ratatui::{
    Frame,
    prelude::Rect,
    style::{Modifier, Style},
    text::{Line, Span},
    widgets::{Block, BorderType, Borders, Clear, Paragraph, Wrap},
};

use crate::i18n;
use crate::state::{AppState, PackageItem};
use crate::theme::theme;

/// What: Render the confirmation modal listing packages slated for installation.
///
/// Inputs:
/// - `f`: Frame to render into
/// - `app`: `AppState` for translations
/// - `area`: Full screen area used to center the modal
/// - `items`: Packages selected for installation
///
/// Output:
/// - Draws the install confirmation dialog and informs users about scan shortcuts.
///
/// Details:
/// - Highlights the heading, truncates the list to fit the modal, and shows instructions for
///   confirming, cancelling, or initiating security scans.
#[allow(clippy::many_single_char_names)]
pub fn render_confirm_install(f: &mut Frame, app: &AppState, area: Rect, items: &[PackageItem]) {
    let th = theme();
    let w = area.width.saturating_sub(6).min(90);
    let h = area.height.saturating_sub(6).min(20);
    let x = area.x + (area.width.saturating_sub(w)) / 2;
    let y = area.y + (area.height.saturating_sub(h)) / 2;
    let rect = ratatui::prelude::Rect {
        x,
        y,
        width: w,
        height: h,
    };
    f.render_widget(Clear, rect);
    let mut lines: Vec<Line<'static>> = Vec::new();
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_install.heading"),
        Style::default().fg(th.mauve).add_modifier(Modifier::BOLD),
    )));
    lines.push(Line::from(""));
    if items.is_empty() {
        lines.push(Line::from(Span::styled(
            i18n::t(app, "app.modals.confirm_install.none"),
            Style::default().fg(th.subtext1),
        )));
    } else {
        for p in items.iter().take((h as usize).saturating_sub(6)) {
            let p_name = &p.name;
            lines.push(Line::from(Span::styled(
                format!("- {p_name}"),
                Style::default().fg(th.text),
            )));
        }
        if items.len() + 6 > h as usize {
            lines.push(Line::from(Span::styled(
                i18n::t(app, "app.modals.confirm_install.list_ellipsis"),
                Style::default().fg(th.subtext1),
            )));
        }
    }
    lines.push(Line::from(""));
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_install.confirm_hint"),
        Style::default().fg(th.subtext1),
    )));
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_install.scan_hint"),
        Style::default().fg(th.overlay1),
    )));
    let boxw = Paragraph::new(lines)
        .style(Style::default().fg(th.text).bg(th.mantle))
        .wrap(Wrap { trim: true })
        .block(
            Block::default()
                .title(Span::styled(
                    i18n::t(app, "app.modals.confirm_install.title"),
                    Style::default().fg(th.mauve).add_modifier(Modifier::BOLD),
                ))
                .borders(Borders::ALL)
                .border_type(BorderType::Double)
                .border_style(Style::default().fg(th.mauve))
                .style(Style::default().bg(th.mantle)),
        );
    f.render_widget(boxw, rect);
}

/// What: Render the confirmation modal enumerating packages selected for removal.
///
/// Inputs:
/// - `f`: Frame to render into
/// - `app`: `AppState` for translations
/// - `area`: Full screen area used to center the modal
/// - `items`: Packages scheduled for removal
///
/// Output:
/// - Draws the removal confirmation dialog, including warnings for core packages.
///
/// Details:
/// - Emphasizes critical warnings when core packages are present, truncates long lists, and
///   instructs on confirm/cancel actions while matching the theme.
#[allow(clippy::many_single_char_names)]
pub fn render_confirm_remove(f: &mut Frame, app: &AppState, area: Rect, items: &[PackageItem]) {
    let th = theme();
    let w = area.width.saturating_sub(6).min(90);
    let h = area.height.saturating_sub(6).min(20);
    let x = area.x + (area.width.saturating_sub(w)) / 2;
    let y = area.y + (area.height.saturating_sub(h)) / 2;
    let rect = ratatui::prelude::Rect {
        x,
        y,
        width: w,
        height: h,
    };
    f.render_widget(Clear, rect);
    let mut lines: Vec<Line<'static>> = Vec::new();
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_remove.heading"),
        Style::default().fg(th.red).add_modifier(Modifier::BOLD),
    )));
    lines.push(Line::from(""));
    // Warn explicitly if any core packages are present
    let has_core = items.iter().any(|p| match &p.source {
        crate::state::Source::Official { repo, .. } => repo.eq_ignore_ascii_case("core"),
        crate::state::Source::Aur => false,
    });
    if has_core {
        lines.push(Line::from(Span::styled(
            i18n::t(app, "app.modals.confirm_remove.warning_core"),
            Style::default().fg(th.red).add_modifier(Modifier::BOLD),
        )));
        lines.push(Line::from(""));
    }
    if items.is_empty() {
        lines.push(Line::from(Span::styled(
            i18n::t(app, "app.modals.confirm_remove.none"),
            Style::default().fg(th.subtext1),
        )));
    } else {
        for p in items.iter().take((h as usize).saturating_sub(6)) {
            let p_name = &p.name;
            lines.push(Line::from(Span::styled(
                format!("- {p_name}"),
                Style::default().fg(th.text),
            )));
        }
        if items.len() + 6 > h as usize {
            lines.push(Line::from(Span::styled(
                i18n::t(app, "app.modals.confirm_install.list_ellipsis"),
                Style::default().fg(th.subtext1),
            )));
        }
    }
    lines.push(Line::from(""));
    // Add warning about removal and no backup
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_remove.warning_removal"),
        Style::default().fg(th.red).add_modifier(Modifier::BOLD),
    )));
    lines.push(Line::from(""));
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_remove.confirm_hint"),
        Style::default().fg(th.subtext1),
    )));
    let boxw = Paragraph::new(lines)
        .style(Style::default().fg(th.text).bg(th.mantle))
        .wrap(Wrap { trim: true })
        .block(
            Block::default()
                .title(Span::styled(
                    i18n::t(app, "app.modals.confirm_remove.title"),
                    Style::default().fg(th.red).add_modifier(Modifier::BOLD),
                ))
                .borders(Borders::ALL)
                .border_type(BorderType::Double)
                .border_style(Style::default().fg(th.red))
                .style(Style::default().bg(th.mantle)),
        );
    f.render_widget(boxw, rect);
}

/// What: Render the confirmation modal for batch updates that may cause dependency conflicts.
///
/// Inputs:
/// - `f`: Frame to render into
/// - `app`: `AppState` for translations
/// - `area`: Full screen area used to center the modal
/// - `items`: Packages to update
///
/// Output:
/// - Draws the batch update warning dialog.
///
/// Details:
/// - Shows warning message about potential dependency conflicts and instructions for confirm/cancel.
#[allow(clippy::many_single_char_names)]
pub fn render_confirm_batch_update(
    f: &mut Frame,
    _app: &AppState,
    area: Rect,
    items: &[PackageItem],
) {
    let th = theme();
    let w = area.width.saturating_sub(6).min(90);
    let h = area.height.saturating_sub(6).min(20);
    let x = area.x + (area.width.saturating_sub(w)) / 2;
    let y = area.y + (area.height.saturating_sub(h)) / 2;
    let rect = ratatui::prelude::Rect {
        x,
        y,
        width: w,
        height: h,
    };
    f.render_widget(Clear, rect);
    let mut lines = vec![
        Line::from(Span::styled(
            "Warning: Single package updates may break package, due to dependency conflicts.",
            Style::default().fg(th.red).add_modifier(Modifier::BOLD),
        )),
        Line::from(""),
        Line::from(Span::styled(
            "Do you want to continue?",
            Style::default().fg(th.text),
        )),
        Line::from(""),
    ];
    if !items.is_empty() {
        lines.push(Line::from(Span::styled(
            "Packages to update:",
            Style::default().fg(th.subtext1),
        )));
        for p in items.iter().take((h as usize).saturating_sub(8)) {
            let p_name = &p.name;
            lines.push(Line::from(Span::styled(
                format!("  - {p_name}"),
                Style::default().fg(th.text),
            )));
        }
        if items.len() + 8 > h as usize {
            lines.push(Line::from(Span::styled(
                "...",
                Style::default().fg(th.subtext1),
            )));
        }
        lines.push(Line::from(""));
    }
    lines.push(Line::from(Span::styled(
        "Press Enter to continue, Esc/q to cancel",
        Style::default().fg(th.subtext1),
    )));
    let boxw = Paragraph::new(lines)
        .style(Style::default().fg(th.text).bg(th.mantle))
        .wrap(Wrap { trim: true })
        .block(
            Block::default()
                .title(Span::styled(
                    "Confirm Batch Update",
                    Style::default().fg(th.red).add_modifier(Modifier::BOLD),
                ))
                .borders(Borders::ALL)
                .border_type(BorderType::Double)
                .border_style(Style::default().fg(th.red))
                .style(Style::default().bg(th.mantle)),
        );
    f.render_widget(boxw, rect);
}

/// What: Render the confirmation modal for continuing AUR update after pacman failed.
///
/// Inputs:
/// - `f`: Frame to render into
/// - `app`: Application state
/// - `area`: Full screen area used to center the modal
/// - `message`: Message explaining the situation
///
/// Output:
/// - Draws the confirmation dialog asking if user wants to continue with AUR update
///
/// Details:
/// - Shows a warning message about pacman failure
/// - Prompts user to continue with AUR update or cancel
/// - Uses similar styling to other confirmation modals
#[allow(clippy::many_single_char_names)]
pub fn render_confirm_aur_update(f: &mut Frame, app: &AppState, area: Rect, message: &str) {
    let th = theme();
    let w = area.width.saturating_sub(6).min(90);
    let h = area.height.saturating_sub(6).min(20);
    let x = area.x + (area.width.saturating_sub(w)) / 2;
    let y = area.y + (area.height.saturating_sub(h)) / 2;
    let rect = Rect {
        x,
        y,
        width: w,
        height: h,
    };

    f.render_widget(Clear, rect);

    let lines: Vec<Line> = message
        .lines()
        .map(|l| Line::from(Span::styled(l, Style::default().fg(th.text))))
        .collect();

    let paragraph = Paragraph::new(lines).wrap(Wrap { trim: true }).block(
        Block::default()
            .title(Span::styled(
                i18n::t(app, "app.modals.confirm_aur_update.title"),
                Style::default().fg(th.yellow).add_modifier(Modifier::BOLD),
            ))
            .borders(Borders::ALL)
            .border_type(BorderType::Double)
            .border_style(Style::default().fg(th.yellow))
            .style(Style::default().bg(th.mantle)),
    );

    f.render_widget(paragraph, rect);
}

/// What: Render the confirmation modal for AUR vote/unvote actions.
///
/// Inputs:
/// - `f`: Frame to render into
/// - `app`: Application state
/// - `area`: Full screen area used to center the modal
/// - `action`: Pending vote action (`Vote` or `Unvote`)
/// - `message`: Confirmation text including package/effect and dry-run hint
///
/// Output:
/// - Draws the confirmation dialog requesting explicit user confirmation.
///
/// Details:
/// - Uses distinct title/cue colors for vote vs unvote to avoid ambiguous prompts.
#[allow(clippy::many_single_char_names)]
pub fn render_confirm_aur_vote(
    f: &mut Frame,
    _app: &AppState,
    area: Rect,
    action: crate::sources::VoteAction,
    message: &str,
) {
    let th = theme();
    let w = area.width.saturating_sub(6).min(90);
    let h = area.height.saturating_sub(6).min(20);
    let x = area.x + (area.width.saturating_sub(w)) / 2;
    let y = area.y + (area.height.saturating_sub(h)) / 2;
    let rect = Rect {
        x,
        y,
        width: w,
        height: h,
    };

    f.render_widget(Clear, rect);

    let lines: Vec<Line> = message
        .lines()
        .map(|line| Line::from(Span::styled(line, Style::default().fg(th.text))))
        .collect();

    let (title, accent) = match action {
        crate::sources::VoteAction::Vote => ("Confirm AUR Vote", th.yellow),
        crate::sources::VoteAction::Unvote => ("Confirm AUR Unvote", th.red),
    };
    let paragraph = Paragraph::new(lines).wrap(Wrap { trim: true }).block(
        Block::default()
            .title(Span::styled(
                title,
                Style::default().fg(accent).add_modifier(Modifier::BOLD),
            ))
            .borders(Borders::ALL)
            .border_type(BorderType::Double)
            .border_style(Style::default().fg(accent))
            .style(Style::default().bg(th.mantle)),
    );

    f.render_widget(paragraph, rect);
}

/// What: Render the confirmation modal for reinstalling already installed packages.
///
/// Inputs:
/// - `f`: Frame to render into
/// - `app`: `AppState` for translations
/// - `area`: Full screen area used to center the modal
/// - `items`: Packages to reinstall
///
/// Output:
/// - Draws the reinstall confirmation dialog.
///
/// Details:
/// - Shows warning message about reinstalling packages and instructions for confirm/cancel.
#[allow(clippy::many_single_char_names)]
pub fn render_confirm_reinstall(f: &mut Frame, app: &AppState, area: Rect, items: &[PackageItem]) {
    let th = theme();
    // Calculate required height based on content
    // Structure: heading + empty + message + empty + packages/none + empty + hint
    // Base: heading(1) + empty(1) + message(1) + empty(1) + empty(1) + hint(1) = 6
    let base_lines = 6u16;
    let content_lines = if items.is_empty() {
        1u16 // "No packages" message
    } else {
        // packages (max 5 shown) + potentially "and more" line
        let package_count = items.len().min(5);
        u16::try_from(package_count + usize::from(items.len() > 5)).unwrap_or(6)
    };
    // Total content lines needed (borders take 2 lines, so add 2)
    let required_height = base_lines + content_lines + 2;
    let h = area
        .height
        .saturating_sub(4)
        .min(required_height.clamp(10, 18));
    let w = area.width.saturating_sub(6).min(65);
    let x = area.x + (area.width.saturating_sub(w)) / 2;
    let y = area.y + (area.height.saturating_sub(h)) / 2;
    let rect = ratatui::prelude::Rect {
        x,
        y,
        width: w,
        height: h,
    };
    f.render_widget(Clear, rect);
    let mut lines = vec![
        Line::from(Span::styled(
            i18n::t(app, "app.modals.confirm_reinstall.heading"),
            Style::default().fg(th.yellow).add_modifier(Modifier::BOLD),
        )),
        Line::from(""),
        Line::from(Span::styled(
            i18n::t(app, "app.modals.confirm_reinstall.message"),
            Style::default().fg(th.subtext1),
        )),
        Line::from(""),
    ];
    if items.is_empty() {
        lines.push(Line::from(Span::styled(
            i18n::t(app, "app.modals.confirm_reinstall.none"),
            Style::default().fg(th.subtext1),
        )));
    } else {
        // Show max 5 packages to keep dialog compact
        for p in items.iter().take(5) {
            let p_name = &p.name;
            lines.push(Line::from(Span::styled(
                format!("  • {p_name}"),
                Style::default().fg(th.text),
            )));
        }
        if items.len() > 5 {
            let remaining = items.len() - 5;
            lines.push(Line::from(Span::styled(
                i18n::t_fmt1(app, "app.modals.confirm_reinstall.and_more", remaining),
                Style::default().fg(th.subtext1),
            )));
        }
    }
    lines.push(Line::from(""));
    lines.push(Line::from(Span::styled(
        i18n::t(app, "app.modals.confirm_reinstall.confirm_hint"),
        Style::default()
            .fg(th.subtext1)
            .add_modifier(Modifier::BOLD),
    )));
    let boxw = Paragraph::new(lines)
        .style(Style::default().fg(th.text).bg(th.mantle))
        .wrap(Wrap { trim: true })
        .block(
            Block::default()
                .title(Span::styled(
                    i18n::t(app, "app.modals.confirm_reinstall.title"),
                    Style::default().fg(th.yellow).add_modifier(Modifier::BOLD),
                ))
                .borders(Borders::ALL)
                .border_type(BorderType::Double)
                .border_style(Style::default().fg(th.yellow))
                .style(Style::default().bg(th.mantle)),
        );
    f.render_widget(boxw, rect);
}