//! Saved workspaces: `workspace.save`, `workspace.list`, `workspace.load`, `workspace.delete`.

mod common;

use common::{temp_config, temp_vault};
use notescraft_engine::{Registry, Session, register_core};
use serde_json::json;

#[test]
fn a_layout_is_saved_listed_loaded_replaced_and_deleted() {
    let vault = temp_vault("workspaces");
    let config = temp_config("workspaces");
    let mut registry = Registry::new();
    register_core(&mut registry).expect("register");
    let mut session = Session::open(vault.path()).expect("open");
    session.use_settings_dir(config.path());
    let layout = json!({"tabs": ["a.md", "b.md"], "active": 1});
    registry.run("workspace.save", &mut session, &json!({"name": "Writing", "layout": layout})).expect("save");
    registry.run("workspace.save", &mut session, &json!({"name": "Review", "layout": {"tabs": []}})).expect("save");
    assert_eq!(registry.run("workspace.list", &mut session, &json!({})).expect("list")["workspaces"], json!(["Review", "Writing"]));
    assert_eq!(registry.run("workspace.load", &mut session, &json!({"name": "Writing"})).expect("load")["layout"], layout);
    registry.run("workspace.save", &mut session, &json!({"name": "Writing", "layout": {"tabs": ["c.md"]}})).expect("replace");
    assert_eq!(registry.run("workspace.load", &mut session, &json!({"name": "Writing"})).expect("load")["layout"]["tabs"], json!(["c.md"]));
    registry.run("workspace.delete", &mut session, &json!({"name": "Review"})).expect("delete");
    assert_eq!(registry.run("workspace.list", &mut session, &json!({})).expect("list")["workspaces"], json!(["Writing"]));
    assert!(registry.run("workspace.load", &mut session, &json!({"name": "Review"})).is_err());
    assert!(registry.run("workspace.delete", &mut session, &json!({"name": "Review"})).is_err());
}

#[test]
fn hostile_names_and_oversized_layouts_are_refused() {
    let vault = temp_vault("workspaces-bad");
    let config = temp_config("workspaces-bad");
    let mut registry = Registry::new();
    register_core(&mut registry).expect("register");
    let mut session = Session::open(vault.path()).expect("open");
    session.use_settings_dir(config.path());
    for name in ["", " pad", ".hidden", "../up", "a/b", "a\\b", "x:y", &"n".repeat(65), "tab\tname"] {
        assert!(registry.run("workspace.save", &mut session, &json!({"name": name, "layout": {}})).is_err(), "{name:?}");
        assert!(registry.run("workspace.load", &mut session, &json!({"name": name})).is_err(), "{name:?}");
    }
    let big = json!({"x": "y".repeat(300_000)});
    assert!(registry.run("workspace.save", &mut session, &json!({"name": "big", "layout": big})).is_err());
    assert_eq!(registry.run("workspace.list", &mut session, &json!({})).expect("list")["workspaces"], json!([]));
}

#[test]
fn saving_a_note_keeps_a_local_snapshot_a_command_lists_and_reads() {
    let vault = temp_vault("snapshots");
    let config = temp_config("snapshots");
    std::fs::write(vault.path().join("n.md"), "first\n").expect("seed");
    let mut registry = Registry::new();
    register_core(&mut registry).expect("register");
    let mut session = Session::open(vault.path()).expect("open");
    session.use_settings_dir(config.path());
    session.open_buffer("n.md").expect("buffer");
    session.buffer_mut("n.md").expect("buffer").edit(0..5, "second").expect("edit");
    session.save_buffer("n.md").expect("save");
    session.buffer_mut("n.md").expect("buffer").edit(0..6, "third").expect("edit");
    session.save_buffer("n.md").expect("save again at once");
    let listed = registry.run("history.list", &mut session, &json!({"path": "n.md"})).expect("list");
    let versions = listed["versions"].as_array().expect("array");
    assert_eq!(versions.len(), 1, "the second save came inside the gap");
    let id = versions[0]["id"].as_u64().expect("id");
    let read = registry.run("history.read", &mut session, &json!({"path": "n.md", "id": id})).expect("read");
    assert_eq!(read["text"], "second\n");
    assert!(registry.run("history.read", &mut session, &json!({"path": "n.md", "id": 1})).is_err());
    assert_eq!(registry.run("history.list", &mut session, &json!({"path": "other.md"})).expect("list")["versions"], json!([]));
}