//

type Result<T> = core::result::Result<T, Box<dyn std::error::Error>>;
type TestResult = Result<()>;

mod server_repo_config {
    use std::path::PathBuf;

    use assert2::let_assert;

    use crate::{BranchName, GitDir, RepoBranches, RepoConfig, RepoConfigSource, RepoPath};

    use super::super::server_repo_config::*;

    #[test]
    fn should_not_return_repo_config_when_no_branches() {
        let src = ServerRepoConfig::new("".to_string(), "".to_string(), None, None, None, None);

        let_assert!(None = src.repo_config());
    }

    #[test]
    fn should_return_repo_config_when_branches() {
        let src = ServerRepoConfig::new(
            "".to_string(),
            "".to_string(),
            None,
            Some("main".to_string()),
            Some("next".to_string()),
            Some("dev".to_string()),
        );

        let_assert!(Some(rc) = src.repo_config());
        assert_eq!(
            rc,
            RepoConfig::new(
                RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string()),
                RepoConfigSource::Server
            )
        );
    }
    #[test]
    fn should_return_repo() {
        let src = ServerRepoConfig::new(
            "repo".to_string(),
            "branch".to_string(),
            None,
            Some("main".to_string()),
            Some("next".to_string()),
            Some("dev".to_string()),
        );

        assert_eq!(src.repo(), RepoPath::new("repo".to_string()));
    }
    #[test]
    fn should_return_branch() {
        let src = ServerRepoConfig::new(
            "repo".to_string(),
            "branch".to_string(),
            None,
            Some("main".to_string()),
            Some("next".to_string()),
            Some("dev".to_string()),
        );

        assert_eq!(src.branch(), BranchName::new("branch".to_string()));
    }
    #[test]
    fn should_return_gitdir() {
        let src = ServerRepoConfig::new(
            "repo".to_string(),
            "branch".to_string(),
            Some("gitdir".into()),
            Some("main".to_string()),
            Some("next".to_string()),
            Some("dev".to_string()),
        );

        assert_eq!(
            src.gitdir(),
            Some(GitDir::new(&PathBuf::default().join("gitdir")))
        );
    }
}
mod repo_config {
    use crate::{RepoBranches, RepoConfigSource};

    use super::super::repo_config::*;
    use super::*;

    #[test]
    fn should_parse_toml() -> TestResult {
        let toml = r#"
        [branches]
        main = "main"
        next = "next"
        dev = "dev"
        "#;

        let rc = RepoConfig::load(toml)?;

        assert_eq!(
            rc,
            RepoConfig::new(
                RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string(),),
                RepoConfigSource::Repo // reading from repo is the default
            )
        );

        Ok(())
    }
    #[test]
    fn should_return_branches() {
        let branches = RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string());
        let repo_config = RepoConfig::new(branches.clone(), RepoConfigSource::Repo);

        assert_eq!(repo_config.branches(), &branches);
    }
    #[test]
    fn should_return_source() {
        let repo_config = RepoConfig::new(
            RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string()),
            RepoConfigSource::Repo,
        );

        assert_eq!(repo_config.source(), RepoConfigSource::Repo);
    }
}
mod forge_config {
    use std::collections::BTreeMap;

    use secrecy::ExposeSecret;

    use crate::{ForgeConfig, ForgeType, Hostname, RepoAlias, ServerRepoConfig, User};

    #[test]
    fn should_return_repos() {
        let forge_type = ForgeType::MockForge;
        let hostname = "localhost".to_string();
        let user = "bob".to_string();
        let token = "alpha".to_string();
        let red = ServerRepoConfig::new(
            "red".to_string(),
            "main".to_string(),
            None,
            None,
            None,
            None,
        );
        let blue = ServerRepoConfig::new(
            "blue".to_string(),
            "main".to_string(),
            None,
            None,
            None,
            None,
        );
        let mut repos = BTreeMap::new();
        repos.insert("red".to_string(), red.clone());
        repos.insert("blue".to_string(), blue.clone());
        let fc = ForgeConfig::new(forge_type, hostname, user, token, repos);

        let returned_repos = fc.repos().collect::<Vec<_>>();

        assert_eq!(
            returned_repos,
            vec![
                // alphabetical order by key
                (RepoAlias::new("blue"), &blue),
                (RepoAlias::new("red"), &red),
            ]
        );
    }
    #[test]
    fn should_return_forge_type() {
        let forge_type = ForgeType::MockForge;
        let hostname = "localhost".to_string();
        let user = "bob".to_string();
        let token = "alpha".to_string();
        let repos = BTreeMap::new();
        let fc = ForgeConfig::new(forge_type, hostname, user, token, repos);

        assert_eq!(fc.forge_type(), ForgeType::MockForge);
    }
    #[test]
    fn should_return_hostname() {
        let forge_type = ForgeType::MockForge;
        let hostname = "localhost".to_string();
        let user = "bob".to_string();
        let token = "alpha".to_string();
        let repos = BTreeMap::new();
        let fc = ForgeConfig::new(forge_type, hostname, user, token, repos);

        assert_eq!(fc.hostname(), Hostname::new("localhost"));
    }
    #[test]
    fn should_return_user() {
        let forge_type = ForgeType::MockForge;
        let hostname = "localhost".to_string();
        let user = "bob".to_string();
        let token = "alpha".to_string();
        let repos = BTreeMap::new();
        let fc = ForgeConfig::new(forge_type, hostname, user, token, repos);

        assert_eq!(fc.user(), User::new("bob".to_string()));
    }
    #[test]
    fn should_return_token() {
        let forge_type = ForgeType::MockForge;
        let hostname = "localhost".to_string();
        let user = "bob".to_string();
        let token = "alpha".to_string();
        let repos = BTreeMap::new();
        let fc = ForgeConfig::new(forge_type, hostname, user, token, repos);

        assert_eq!(fc.token().expose_secret(), "alpha");
    }
    #[test]
    fn should_return_repo() {
        let forge_type = ForgeType::MockForge;
        let hostname = "localhost".to_string();
        let user = "bob".to_string();
        let token = "alpha".to_string();
        let red = ServerRepoConfig::new(
            "red".to_string(),
            "main".to_string(),
            None,
            None,
            None,
            None,
        );
        let blue = ServerRepoConfig::new(
            "blue".to_string(),
            "main".to_string(),
            None,
            None,
            None,
            None,
        );
        let mut repos = BTreeMap::new();
        repos.insert("red".to_string(), red.clone());
        repos.insert("blue".to_string(), blue);
        let fc = ForgeConfig::new(forge_type, hostname, user, token, repos);

        let returned_repo = fc.get_repo("red");

        assert_eq!(returned_repo, Some(&red),);
    }
}
mod forge_details {
    use std::collections::BTreeMap;

    use secrecy::ExposeSecret;

    use crate::{ApiToken, ForgeAlias, ForgeConfig, ForgeDetails, ForgeType, Hostname, User};

    #[test]
    fn should_return_forge_name() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_name = ForgeAlias::new("gamma".to_string());
        let forge_details =
            ForgeDetails::new(forge_name.clone(), forge_type, hostname, user, token);

        let result = forge_details.forge_alias();

        assert_eq!(result, &forge_name);
    }
    #[test]
    fn should_return_forge_type() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_name = ForgeAlias::new("gamma".to_string());
        let forge_details = ForgeDetails::new(forge_name, forge_type, hostname, user, token);

        let result = forge_details.forge_type();

        assert_eq!(result, forge_type);
    }
    #[test]
    fn should_return_hostname() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_name = ForgeAlias::new("gamma".to_string());
        let forge_details =
            ForgeDetails::new(forge_name, forge_type, hostname.clone(), user, token);

        let result = forge_details.hostname();

        assert_eq!(result, &hostname);
    }
    #[test]
    fn should_return_user() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_name = ForgeAlias::new("gamma".to_string());
        let forge_details =
            ForgeDetails::new(forge_name, forge_type, hostname, user.clone(), token);

        let result = forge_details.user();

        assert_eq!(result, &user);
    }
    #[test]
    fn should_return_token() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_name = ForgeAlias::new("gamma".to_string());
        let forge_details =
            ForgeDetails::new(forge_name, forge_type, hostname, user, token.clone());

        let result = forge_details.token();

        assert_eq!(result.expose_secret(), token.expose_secret());
    }
    #[test]
    fn with_hostname_should_return_new_instance() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_name = ForgeAlias::new("gamma".to_string());
        let forge_details = ForgeDetails::new(forge_name, forge_type, hostname, user, token);

        let result = forge_details.with_hostname(Hostname::new("remotehost".to_string()));

        assert_eq!(result.hostname(), &Hostname::new("remotehost".to_string()));
    }
    #[test]
    fn should_convert_from_name_and_config() {
        let forge_type = ForgeType::MockForge;
        let hostname = Hostname::new("localhost".to_string());
        let user = User::new("bob".to_string());
        let token = ApiToken::new("alpha".to_string().into());
        let forge_alias = ForgeAlias::new("gamma".to_string());
        let forge_config = ForgeConfig::new(
            forge_type,
            "localhost".to_string(),
            "bob".to_string(),
            "alpha".to_string(),
            BTreeMap::new(),
        );

        let forge_details = ForgeDetails::from((&forge_alias, &forge_config));

        assert_eq!(forge_details.forge_alias(), &forge_alias);
        assert_eq!(forge_details.hostname(), &hostname);
        assert_eq!(forge_details.user(), &user);
        assert_eq!(forge_details.token().expose_secret(), token.expose_secret());
    }
}
mod forge_name {
    use std::path::PathBuf;

    use crate::ForgeAlias;

    #[test]
    fn should_convert_to_pathbuf() {
        let forge_alias = ForgeAlias::new("alpha".to_string());

        let pathbuf: PathBuf = (&forge_alias).into();

        assert_eq!(pathbuf, PathBuf::new().join("alpha"));
    }
}
mod forge_type {
    use crate::ForgeType;

    #[test]
    fn should_display_as_lowercase() {
        assert_eq!(ForgeType::MockForge.to_string(), "mockforge".to_string());
    }
}
mod gitdir {
    use std::path::PathBuf;

    use crate::GitDir;

    #[test]
    fn should_return_pathbuf() {
        let pathbuf = PathBuf::default().join("foo");
        let gitdir = GitDir::new(&pathbuf);

        let result = gitdir.pathbuf();

        assert_eq!(result, &pathbuf);
    }
    #[test]
    fn should_display() {
        let pathbuf = PathBuf::default().join("foo");
        let gitdir = GitDir::new(&pathbuf);

        let result = gitdir.to_string();

        assert_eq!(result, "foo");
    }
    #[test]
    fn should_convert_from_str() {
        let pathbuf = PathBuf::default().join("foo");
        let gitdir: GitDir = "foo".into();

        assert_eq!(gitdir, GitDir::new(&pathbuf));
    }
    #[test]
    fn should_convert_to_pathbuf_from_ref() {
        let pathbuf = PathBuf::default().join("foo");
        let gitdir: GitDir = "foo".into();

        let result: PathBuf = (&gitdir).into();

        assert_eq!(result, pathbuf);
    }
    #[test]
    fn should_convert_to_pathbuf_from_inst() {
        let pathbuf = PathBuf::default().join("foo");
        let gitdir: GitDir = "foo".into();

        let result: PathBuf = gitdir.into();

        assert_eq!(result, pathbuf);
    }
}
mod repo_branches {
    use crate::{BranchName, RepoBranches};

    #[test]
    fn should_return_main() {
        let repo_branches =
            RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string());

        assert_eq!(repo_branches.main(), BranchName::new("main"));
    }
    #[test]
    fn should_return_next() {
        let repo_branches =
            RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string());

        assert_eq!(repo_branches.next(), BranchName::new("next"));
    }
    #[test]
    fn should_return_dev() {
        let repo_branches =
            RepoBranches::new("main".to_string(), "next".to_string(), "dev".to_string());

        assert_eq!(repo_branches.dev(), BranchName::new("dev"));
    }
}
mod server {
    mod load {
        //

        use std::{
            collections::{BTreeMap, HashMap},
            net::SocketAddr,
            str::FromStr as _,
        };

        use assert2::let_assert;
        use pretty_assertions::assert_eq;

        use crate::{
            server::{Http, ServerConfig, ServerStorage, Webhook},
            tests::TestResult,
            ForgeAlias, ForgeConfig, ForgeType, RepoAlias, RepoBranches, RepoConfig,
            RepoConfigSource, ServerRepoConfig,
        };

        #[test]
        fn load_should_parse_server_config() -> TestResult {
            let fs = kxio::fs::temp()?;
            given_server_config(&fs)?;
            let_assert!(Ok(config) = ServerConfig::load(&fs));
            let expected = ServerConfig::new(
                Http::new("0.0.0.0".to_string(), 8080),
                expected_webhook(),
                expected_storage(),
                HashMap::from([("default".to_string(), expected_forge_config())]),
            );
            assert_eq!(config, expected, "ServerConfig");

            if let Some(forge) = config.forge.get("world") {
                if let Some(repo) = forge.get_repo("sam") {
                    let repo_config = repo.repo_config();
                    let expected = Some(RepoConfig::new(
                        RepoBranches::new(
                            "master".to_string(),
                            "upcoming".to_string(),
                            "sam-dev".to_string(),
                        ),
                        RepoConfigSource::Server,
                    ));
                    assert_eq!(repo_config, expected, "RepoConfig");
                }
            }

            Ok(())
        }

        #[test]
        fn should_return_forges() -> TestResult {
            let fs = kxio::fs::temp()?;
            given_server_config(&fs)?;
            let config = ServerConfig::load(&fs)?;
            let forges = config.forges().collect::<Vec<_>>();
            let forge_config = expected_forge_config();
            let expected = vec![(ForgeAlias::new("default".to_string()), &forge_config)];
            assert_eq!(forges, expected);
            Ok(())
        }

        #[test]
        fn should_return_storage() -> TestResult {
            let fs = kxio::fs::temp()?;
            given_server_config(&fs)?;
            let config = ServerConfig::load(&fs)?;
            let storage = config.storage();
            assert_eq!(storage, &expected_storage());
            assert_eq!(storage.path(), std::path::Path::new("/opt/git-next/data"));
            Ok(())
        }

        #[test]
        fn should_return_webhook() -> TestResult {
            let fs = kxio::fs::temp()?;
            given_server_config(&fs)?;
            let config = ServerConfig::load(&fs)?;
            let webhook = config.webhook();
            assert_eq!(webhook, &expected_webhook());
            assert_eq!(
                webhook
                    .url(&ForgeAlias::new("a".to_string()), &RepoAlias::new("b"))
                    .as_ref(),
                "http://localhost:9909/a/b"
            );
            Ok(())
        }

        #[test]
        fn should_return_http() -> TestResult {
            let fs = kxio::fs::temp()?;
            given_server_config(&fs)?;
            let config = ServerConfig::load(&fs)?;
            let_assert!(Ok(http) = config.http());
            assert_eq!(http, expected_http());
            Ok(())
        }

        fn given_server_config(fs: &kxio::fs::FileSystem) -> Result<(), kxio::fs::Error> {
            fs.file_write(
            &fs.base().join("git-next-server.toml"),
            r#"
            [http]
            addr = "0.0.0.0"
            port = 8080

            [webhook]
            url = "http://localhost:9909"

            [storage]
            path = "/opt/git-next/data"

            [forge.default]
            forge_type = "MockForge"
            hostname = "git.example.net"
            user = "Bob"
            token = "API-Token"

            [forge.default.repos]
            hello = { repo = "user/hello", branch = "main", gitdir = "/opt/git/user/hello.git" }
            world = { repo = "user/world", branch = "master", main = "main", next = "next", dev = "dev" }

            [forge.default.repos.sam]
            repo = "user/sam"
            branch = "main"
            main = "master"
            next = "upcoming"
            dev = "sam-dev"
        "#,
                    )
        }

        fn expected_storage() -> ServerStorage {
            ServerStorage::new("/opt/git-next/data".into())
        }

        fn expected_webhook() -> Webhook {
            Webhook::new("http://localhost:9909".to_string())
        }

        fn expected_http() -> SocketAddr {
            SocketAddr::from_str("0.0.0.0:8080").unwrap_or_else(|_| panic!())
        }

        fn expected_forge_config() -> ForgeConfig {
            ForgeConfig::new(
                ForgeType::MockForge,
                "git.example.net".to_string(),
                "Bob".to_string(),
                "API-Token".to_string(),
                BTreeMap::from([
                    (
                        "hello".to_string(),
                        ServerRepoConfig::new(
                            "user/hello".to_string(),
                            "main".to_string(),
                            Some("/opt/git/user/hello.git".into()),
                            None,
                            None,
                            None,
                        ),
                    ),
                    (
                        "world".to_string(),
                        ServerRepoConfig::new(
                            "user/world".to_string(),
                            "master".to_string(),
                            None,
                            Some("main".to_string()),
                            Some("next".to_string()),
                            Some("dev".to_string()),
                        ),
                    ),
                    (
                        "sam".to_string(),
                        ServerRepoConfig::new(
                            "user/sam".to_string(),
                            "main".to_string(),
                            None,
                            Some("master".to_string()),
                            Some("upcoming".to_string()),
                            Some("sam-dev".to_string()),
                        ),
                    ),
                ]),
            )
        }
    }
}
mod registered_webhook {

    use crate::{RegisteredWebhook, WebhookAuth, WebhookId};

    #[test]
    fn should_return_id() {
        let id = WebhookId::new("a".to_string());
        let auth = WebhookAuth::generate();
        let rw = RegisteredWebhook::new(id.clone(), auth);

        assert_eq!(rw.id(), &id);
    }
    #[test]
    fn should_return_auth() {
        let id = WebhookId::new("a".to_string());
        let auth = WebhookAuth::generate();
        let rw = RegisteredWebhook::new(id, auth.clone());

        assert_eq!(rw.auth(), &auth);
    }
}
mod webhook {
    mod message {
        use crate::{webhook::message::Body, ForgeAlias, RepoAlias, WebhookMessage};

        #[test]
        fn should_return_forge_alias() {
            let message = given_message();
            assert_eq!(message.forge_alias(), &expected_forge_alias());
        }
        #[test]
        fn should_return_repo_alias() {
            let message = given_message();
            assert_eq!(message.repo_alias(), &expected_repo_alias());
        }
        #[test]
        fn should_return_body() {
            let message = given_message();
            assert_eq!(message.body().as_bytes(), expected_body().as_bytes());
        }
        #[test]
        fn should_return_header() {
            let message = given_message();
            assert_eq!(message.header("c"), Some("d".to_string()));
        }
        fn given_message() -> WebhookMessage {
            WebhookMessage::new(
                expected_forge_alias(),
                expected_repo_alias(),
                expected_headers(),
                expected_body(),
            )
        }
        fn expected_forge_alias() -> ForgeAlias {
            ForgeAlias::new("a".to_string())
        }
        fn expected_repo_alias() -> RepoAlias {
            RepoAlias::new("b")
        }
        fn expected_headers() -> std::collections::HashMap<String, String> {
            [("c", "d"), ("e", "f")]
                .into_iter()
                .map(|(k, v)| (k.to_string(), v.to_string()))
                .collect()
        }
        fn expected_body() -> Body {
            Body::new("g".to_string())
        }
    }
}
mod push {
    use crate::{
        webhook::{push::Branch, Push},
        BranchName, RepoBranches,
    };

    #[test]
    fn should_return_main_branch() {
        let repo_branches = given_repo_branches();
        let push_event = given_push_event(repo_branches.main());
        assert_eq!(push_event.branch(&repo_branches), Some(Branch::Main));
    }
    #[test]
    fn should_return_next_branch() {
        let repo_branches = given_repo_branches();
        let push_event = given_push_event(repo_branches.next());
        assert_eq!(push_event.branch(&repo_branches), Some(Branch::Next));
    }
    #[test]
    fn should_return_dev_branch() {
        let repo_branches = given_repo_branches();
        let push_event = given_push_event(repo_branches.dev());
        assert_eq!(push_event.branch(&repo_branches), Some(Branch::Dev));
    }
    #[test]
    fn should_not_return_other_branches() {
        let repo_branches = given_repo_branches();
        let push_event = given_push_event(BranchName::new("foo"));
        assert_eq!(push_event.branch(&repo_branches), None);
    }
    #[test]
    fn should_return_sha() {
        let repo_branches = given_repo_branches();
        let push_event = given_push_event(repo_branches.main());
        assert_eq!(push_event.sha(), "sha");
    }
    #[test]
    fn should_return_message() {
        let repo_branches = given_repo_branches();
        let push_event = given_push_event(repo_branches.main());
        assert_eq!(push_event.message(), "message");
    }
    fn given_push_event(branch_name: BranchName) -> Push {
        Push::new(branch_name, "sha".to_string(), "message".to_string())
    }
    fn given_repo_branches() -> RepoBranches {
        RepoBranches::new(
            "a-main".to_string(),
            "b-next".to_string(),
            "c-dev".to_string(),
        )
    }
}