use std::{
    str::{from_utf8, FromStr},
    sync::Arc,
};

use anyhow::Result;
use engine::prelude::*;

use super::{Rarities, Tooltip};
use crate::{
    components::{attributes::Attribute, inventory::Storable, statistic_types::StatisticType},
    config::items::ItemSettings,
};

#[derive(Clone, Debug)]
pub struct Jewel {
    pub rarity: Rarities,
    pub level: u32,
    pub attribute: Attribute,

    pub stat: StatisticType,

    pub icon: Option<Arc<Image>>,
}

impl PartialEq for Jewel {
    fn eq(&self, other: &Self) -> bool {
        self.rarity == other.rarity && self.level == other.level
    }
}

impl Jewel {
    pub fn into_persistent(&self) -> String {
        format!(
            "{}|{}|{}|{}",
            self.rarity, self.level, self.attribute, self.stat
        )
    }

    pub fn from_persistent<'a>(split: &mut impl Iterator<Item = &'a str>) -> Result<Self> {
        let rarity = Rarities::from_str(split.next().unwrap())?;
        let level = split.next().unwrap().parse::<u32>()?;
        let attribute = Attribute::from_str(split.next().unwrap())?;
        let stat = StatisticType::from_str(split.next().unwrap())?;

        Ok(Self {
            rarity,
            level,
            attribute,
            stat,

            icon: None,
        })
    }

    pub fn update_stat(&mut self, item_settings: &ItemSettings) {
        self.stat
            .apply_for_jewel(self.rarity, self.level, item_settings);
    }

    pub fn create_tooltip(
        &self,
        gui_handler: &Arc<GuiHandler>,
        item_settings: &ItemSettings,
        position: (i32, i32),
    ) -> Result<Tooltip> {
        let inspector_snippet: Arc<GuiBuilder> = GuiBuilder::from_str(
            gui_handler,
            include_str!("../../resources/jewel_tooltip.xml"),
        )?;

        let main_grid: Arc<Grid> = inspector_snippet.element("main_grid")?;
        main_grid.change_position_unscaled(position.0, position.1)?;

        let jewel_icon: Arc<Icon> = inspector_snippet.element("jewel_icon")?;
        let rarity_label: Arc<Label> = inspector_snippet.element("rarity_label")?;

        let attribute_type: Arc<Label> = inspector_snippet.element("attribute_type")?;
        let attribute_value: Arc<Label> = inspector_snippet.element("attribute_value")?;

        let stat_type: Arc<Label> = inspector_snippet.element("stat_type")?;
        let stat_value: Arc<Label> = inspector_snippet.element("stat_value")?;

        jewel_icon.set_icon(&self.icon())?;
        rarity_label.set_text(format!("{} ({})", self.rarity, self.level))?;

        attribute_type.set_text({
            let mut s = self.attribute.to_string();
            s.replace_range(
                0..1,
                from_utf8(&[s.as_bytes()[0].to_ascii_uppercase()]).unwrap(),
            );

            s
        })?;

        attribute_value.set_text(
            item_settings
                .jewel_rarity_multiplier
                .from_rarity(self.rarity)
                * self.level
                * item_settings.general.jewel_level_multiplier,
        )?;

        stat_type.set_text(&self.stat)?;
        stat_value.set_text(self.stat.display_value())?;

        Ok(Tooltip::new(
            main_grid,
            inspector_snippet,
            gui_handler.clone(),
        ))
    }
}

impl Storable for Jewel {
    fn rarity(&self) -> Rarities {
        self.rarity
    }

    fn icon(&self) -> Arc<Image> {
        self.icon.clone().unwrap()
    }
}