use eframe::epi::Frame;
use eframe::egui::CtxRef;
use peachy::{Colour, Config, Game, Palette};

struct EditorState {
    game: Option<peachy::Game>,
    // selected_palette: Option<&Palette>,
}

impl epi::App for EditorState {
    fn update(&mut self, ctx: &CtxRef, frame: &mut Frame<'_>) {
        egui::TopPanel::top("top_panel").show(ctx, |ui| {
            egui::menu::bar(ui, |ui| {
                egui::menu::menu(ui, "File", |ui| {
                    if ui.button("Quit").clicked() {
                        frame.quit();
                    }
                });
            });
        });

        egui::SidePanel::left("side_panel", 200.0).show(ctx, |ui| {
            ui.heading("Side Panel");

            ui.horizontal(|ui| {
                ui.label("Blah blah…");
            });

            // if let Some(game) = &mut self.game {
            //     // todo colour picker
            //     // todo tool picker
            //     // todo collapsing panels for different things? buttons to launch browse windows?
            // }
        });

        egui::CentralPanel::default().show(ctx, |ui| {
            // todo if game is none, add a "load project" window?

            if let Some(game) = &mut self.game {
                // for palette in &mut game.palettes {
                // }
                // todo store selected palette in application state
                // todo show palette window if selected
                let palette = game.find_palette("example palette".into());

                if let Some(palette) = palette {
                    egui::Window::new(&palette.name)
                        .default_width(200.0)
                        .collapsible(false)
                        .show(ctx, |ui| {
                            ui.label("palette name");
                            ui.text_edit_singleline(&mut palette.name);
                        });
                }
            }
        });
    }

    fn name(&self) -> &str {
        "peachy"
    }
}

fn main() {
    // testing…
    let state = EditorState {
        game: Some(Game {
            config: Config {
                name: Some("example".into()),
                width: 16,
                height: 9,
                tick: 400,
                starting_room: None,
                version: (0, 1)
            },
            entities: vec![],
            images: vec![],
            palettes: vec![
                Palette { name: "example palette".into(), colours: vec![
                    Colour { red: 79,  green: 30,  blue: 69  },
                    Colour { red: 150, green: 48,  blue: 87  },
                    Colour { red: 215, green: 68,  blue: 89  },
                    Colour { red: 235, green: 112, blue: 96  },
                    Colour { red: 255, green: 179, blue: 131 },
                    Colour { red: 255, green: 255, blue: 255 },
                    Colour { red: 127, green: 227, blue: 187 },
                    Colour { red: 92,  green: 187, blue: 196 },
                    Colour { red: 69,  green: 126, blue: 163 },
                    Colour { red: 56,  green: 66,  blue: 118 },
                    Colour { red: 50,  green: 36,  blue: 81  }
                ]},
            ],
            scenes: vec![],
            tiles: vec![],
            music: vec![]
        })
    };

    let native_options = eframe::NativeOptions::default();

    eframe::run_native(Box::new(state), native_options);
}