//! ref: composer/src/Composer/Package/Dumper/ArrayDumper.php

use std::any::Any;

use indexmap::IndexMap;
use shirabe_php_shim::PhpMixed;

use crate::package::base_package::BasePackage;
use crate::package::complete_package::CompletePackage;
use crate::package::package_interface::PackageInterface;
use crate::package::root_package::RootPackage;

#[derive(Debug)]
pub struct ArrayDumper;

impl ArrayDumper {
    pub fn new() -> Self {
        Self
    }

    pub fn dump(&self, package: &dyn PackageInterface) -> IndexMap<String, PhpMixed> {
        let mut data: IndexMap<String, PhpMixed> = IndexMap::new();
        data.insert("name".to_string(), PhpMixed::String(package.get_pretty_name().to_string()));
        data.insert("version".to_string(), PhpMixed::String(package.get_pretty_version().to_string()));
        data.insert("version_normalized".to_string(), PhpMixed::String(package.get_version().to_string()));

        if let Some(target_dir) = package.get_target_dir() {
            data.insert("target-dir".to_string(), PhpMixed::String(target_dir.to_string()));
        }

        if let Some(source_type) = package.get_source_type() {
            let mut source: IndexMap<String, Box<PhpMixed>> = IndexMap::new();
            source.insert("type".to_string(), Box::new(PhpMixed::String(source_type.to_string())));
            source.insert("url".to_string(), Box::new(PhpMixed::String(package.get_source_url().unwrap_or("").to_string())));
            if let Some(reference) = package.get_source_reference() {
                source.insert("reference".to_string(), Box::new(PhpMixed::String(reference.to_string())));
            }
            if let Some(mirrors) = package.get_source_mirrors() {
                if !mirrors.is_empty() {
                    source.insert("mirrors".to_string(), Box::new(PhpMixed::Array(
                        mirrors.into_iter().enumerate().map(|(i, m)| (i.to_string(), Box::new(PhpMixed::Array(
                            m.into_iter().map(|(k, v)| (k, Box::new(v))).collect()
                        )))).collect()
                    )));
                }
            }
            data.insert("source".to_string(), PhpMixed::Array(source));
        }

        if let Some(dist_type) = package.get_dist_type() {
            let mut dist: IndexMap<String, Box<PhpMixed>> = IndexMap::new();
            dist.insert("type".to_string(), Box::new(PhpMixed::String(dist_type.to_string())));
            dist.insert("url".to_string(), Box::new(PhpMixed::String(package.get_dist_url().unwrap_or("").to_string())));
            if let Some(reference) = package.get_dist_reference() {
                dist.insert("reference".to_string(), Box::new(PhpMixed::String(reference.to_string())));
            }
            if let Some(shasum) = package.get_dist_sha1_checksum() {
                dist.insert("shasum".to_string(), Box::new(PhpMixed::String(shasum.to_string())));
            }
            if let Some(mirrors) = package.get_dist_mirrors() {
                if !mirrors.is_empty() {
                    dist.insert("mirrors".to_string(), Box::new(PhpMixed::Array(
                        mirrors.into_iter().enumerate().map(|(i, m)| (i.to_string(), Box::new(PhpMixed::Array(
                            m.into_iter().map(|(k, v)| (k, Box::new(v))).collect()
                        )))).collect()
                    )));
                }
            }
            data.insert("dist".to_string(), PhpMixed::Array(dist));
        }

        // corresponds to: foreach (BasePackage::$supportedLinkTypes as $type => $opts) { $links = $package->{'get'.ucfirst($opts['method'])}(); ... }
        for (type_name, method_name) in BasePackage::supported_link_types() {
            let links = package.get_links_by_method(&method_name);
            if links.is_empty() {
                continue;
            }
            let mut link_map: IndexMap<String, Box<PhpMixed>> = IndexMap::new();
            for link in &links {
                link_map.insert(link.get_target().to_string(), Box::new(PhpMixed::String(link.get_pretty_constraint().to_string())));
            }
            link_map.sort_keys();
            data.insert(type_name, PhpMixed::Array(link_map));
        }

        let suggests = package.get_suggests();
        if !suggests.is_empty() {
            let mut sorted_suggests = suggests.clone();
            sorted_suggests.sort_keys();
            data.insert("suggest".to_string(), PhpMixed::Array(
                sorted_suggests.into_iter().map(|(k, v)| (k, Box::new(PhpMixed::String(v)))).collect()
            ));
        }

        if let Some(release_date) = package.get_release_date() {
            data.insert("time".to_string(), PhpMixed::String(release_date.to_rfc3339()));
        }

        if package.is_default_branch() {
            data.insert("default-branch".to_string(), PhpMixed::Bool(true));
        }

        // dumpValues for base package keys (corresponds to dynamic PHP dispatch)
        let binaries = package.get_binaries();
        if !binaries.is_empty() {
            data.insert("bin".to_string(), PhpMixed::List(binaries.into_iter().map(|b| Box::new(PhpMixed::String(b))).collect()));
        }
        if let Some(pkg_type) = package.get_type() {
            if !pkg_type.is_empty() {
                data.insert("type".to_string(), PhpMixed::String(pkg_type.to_string()));
            }
        }
        let extra = package.get_extra();
        if !extra.is_empty() {
            data.insert("extra".to_string(), PhpMixed::Array(extra.into_iter().map(|(k, v)| (k, Box::new(v))).collect()));
        }
        if let Some(installation_source) = package.get_installation_source() {
            data.insert("installation-source".to_string(), PhpMixed::String(installation_source.to_string()));
        }
        let autoload = package.get_autoload();
        if !autoload.is_empty() {
            data.insert("autoload".to_string(), PhpMixed::Array(autoload.into_iter().map(|(k, v)| (k, Box::new(v))).collect()));
        }
        let dev_autoload = package.get_dev_autoload();
        if !dev_autoload.is_empty() {
            data.insert("autoload-dev".to_string(), PhpMixed::Array(dev_autoload.into_iter().map(|(k, v)| (k, Box::new(v))).collect()));
        }
        if let Some(notification_url) = package.get_notification_url() {
            data.insert("notification-url".to_string(), PhpMixed::String(notification_url.to_string()));
        }
        let include_paths = package.get_include_paths();
        if !include_paths.is_empty() {
            data.insert("include-path".to_string(), PhpMixed::List(include_paths.into_iter().map(|p| Box::new(PhpMixed::String(p))).collect()));
        }
        let php_ext = package.get_php_ext();
        if !php_ext.is_empty() {
            data.insert("php-ext".to_string(), PhpMixed::Array(php_ext.into_iter().map(|(k, v)| (k, Box::new(v))).collect()));
        }

        if let Some(complete_pkg) = (package.as_any() as &dyn Any).downcast_ref::<CompletePackage>() {
            if let Some(archive_name) = complete_pkg.get_archive_name() {
                let entry = data.entry("archive".to_string()).or_insert_with(|| PhpMixed::Array(IndexMap::new()));
                if let PhpMixed::Array(ref mut archive) = entry {
                    archive.insert("name".to_string(), Box::new(PhpMixed::String(archive_name.to_string())));
                }
            }
            let archive_excludes = complete_pkg.get_archive_excludes();
            if !archive_excludes.is_empty() {
                let entry = data.entry("archive".to_string()).or_insert_with(|| PhpMixed::Array(IndexMap::new()));
                if let PhpMixed::Array(ref mut archive) = entry {
                    archive.insert("exclude".to_string(), Box::new(PhpMixed::List(
                        archive_excludes.into_iter().map(|e| Box::new(PhpMixed::String(e))).collect()
                    )));
                }
            }

            // dumpValues for complete package keys
            let scripts = complete_pkg.get_scripts();
            if !scripts.is_empty() {
                data.insert("scripts".to_string(), PhpMixed::Array(
                    scripts.into_iter().map(|(k, v)| (k, Box::new(PhpMixed::List(v.into_iter().map(|s| Box::new(PhpMixed::String(s))).collect())))).collect()
                ));
            }
            let license = complete_pkg.get_license();
            if !license.is_empty() {
                data.insert("license".to_string(), PhpMixed::List(license.into_iter().map(|l| Box::new(PhpMixed::String(l))).collect()));
            }
            let authors = complete_pkg.get_authors();
            if !authors.is_empty() {
                data.insert("authors".to_string(), PhpMixed::List(
                    authors.into_iter().map(|a| Box::new(PhpMixed::Array(
                        a.into_iter().map(|(k, v)| (k, Box::new(PhpMixed::String(v)))).collect()
                    ))).collect()
                ));
            }
            if let Some(description) = complete_pkg.get_description() {
                data.insert("description".to_string(), PhpMixed::String(description.to_string()));
            }
            if let Some(homepage) = complete_pkg.get_homepage() {
                data.insert("homepage".to_string(), PhpMixed::String(homepage.to_string()));
            }
            let mut keywords = complete_pkg.get_keywords();
            if !keywords.is_empty() {
                keywords.sort();
                data.insert("keywords".to_string(), PhpMixed::List(keywords.into_iter().map(|k| Box::new(PhpMixed::String(k))).collect()));
            }
            let repositories = complete_pkg.get_repositories();
            if !repositories.is_empty() {
                data.insert("repositories".to_string(), PhpMixed::List(
                    repositories.into_iter().map(|r| Box::new(PhpMixed::Array(
                        r.into_iter().map(|(k, v)| (k, Box::new(v))).collect()
                    ))).collect()
                ));
            }
            let support = complete_pkg.get_support();
            if !support.is_empty() {
                data.insert("support".to_string(), PhpMixed::Array(
                    support.into_iter().map(|(k, v)| (k, Box::new(PhpMixed::String(v)))).collect()
                ));
            }
            let funding = complete_pkg.get_funding();
            if !funding.is_empty() {
                data.insert("funding".to_string(), PhpMixed::List(
                    funding.into_iter().map(|f| Box::new(PhpMixed::Array(
                        f.into_iter().map(|(k, v)| (k, Box::new(v))).collect()
                    ))).collect()
                ));
            }

            if complete_pkg.is_abandoned() {
                let abandoned_value = complete_pkg.get_replacement_package()
                    .map(|r| PhpMixed::String(r.to_string()))
                    .unwrap_or(PhpMixed::Bool(true));
                data.insert("abandoned".to_string(), abandoned_value);
            }
        }

        if let Some(root_pkg) = (package.as_any() as &dyn Any).downcast_ref::<RootPackage>() {
            let minimum_stability = root_pkg.get_minimum_stability();
            if !minimum_stability.is_empty() {
                data.insert("minimum-stability".to_string(), PhpMixed::String(minimum_stability.to_string()));
            }
        }

        let transport_options = package.get_transport_options();
        if !transport_options.is_empty() {
            data.insert("transport-options".to_string(), PhpMixed::Array(
                transport_options.into_iter().map(|(k, v)| (k, Box::new(v))).collect()
            ));
        }

        data
    }
}