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use std::cell::RefCell;

use crate::{
    analysis::{self, namespaces::NsId},
    config::{gobjects::GStatus, Config},
    library::*,
    nameutil::use_glib_type,
    version::Version,
};

#[derive(Debug)]
pub struct Env {
    pub library: Library,
    pub config: Config,
    pub namespaces: analysis::namespaces::Info,
    pub symbols: RefCell<analysis::symbols::Info>,
    pub class_hierarchy: analysis::class_hierarchy::Info,
    pub analysis: analysis::Analysis,
}

impl Env {
    #[inline]
    pub fn type_(&self, tid: TypeId) -> &Type {
        self.library.type_(tid)
    }
    pub fn type_status(&self, name: &str) -> GStatus {
        self.config
            .objects
            .get(name)
            .map(|o| o.status)
            .unwrap_or_default()
    }
    pub fn type_status_sys(&self, name: &str) -> GStatus {
        self.config
            .objects
            .get(name)
            .map_or(GStatus::Generate, |o| o.status)
    }

    pub fn is_totally_deprecated(
        &self,
        ns_id: Option<NsId>,
        deprecated_version: Option<Version>,
    ) -> bool {
        let to_compare_with = self.config.min_required_version(self, ns_id);
        match (deprecated_version, to_compare_with) {
            (Some(v), Some(to_compare_v)) => {
                if v <= to_compare_v {
                    self.config.deprecate_by_min_version
                } else {
                    false
                }
            }
            (Some(v), _) => {
                if v <= self.config.min_cfg_version {
                    self.config.deprecate_by_min_version
                } else {
                    false
                }
            }
            _ => false,
        }
    }

    pub fn is_too_low_version(&self, ns_id: Option<NsId>, version: Option<Version>) -> bool {
        let to_compare_with = self.config.min_required_version(self, ns_id);
        if let (Some(v), Some(to_compare_v)) = (version, to_compare_with) {
            return v <= to_compare_v;
        }
        false
    }

    pub fn main_sys_crate_name(&self) -> &str {
        &self.namespaces[MAIN_NAMESPACE].sys_crate_name
    }

    /// Helper to get the ffi crate import
    pub fn sys_crate_import(&self, type_id: TypeId) -> String {
        let crate_name = &self.namespaces[type_id.ns_id].sys_crate_name;
        if crate_name == "gobject_ffi" {
            use_glib_type(self, crate_name)
        } else {
            crate_name.clone()
        }
    }
}