const {TimeChainDataSqliteRecord,ConnectToDatabase, TimeChainDataSqliteFile, TimeChainDataSqliteTag, TimeChainDataSqliteTagLink} = require('../src/data/sqlite');
const { nanoid } = require('nanoid');
const { unsubscribe } = require('pubsub-js');

let db = null;

beforeAll(() => {
    db = ConnectToDatabase(__dirname + "/test.db");
});

afterAll(()=>{
    db.close();
})

test("Should create a records table", ()=>{
    const rec = new TimeChainDataSqliteRecord();

    const st = db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name=?");
    const res = st.get('records');

    expect(res).not.toBeNull();
    expect(res.name).toEqual('records');
});

test("Should create a files table", ()=>{
    const file = new TimeChainDataSqliteFile();

    const st = db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name=?");
    const res = st.get('files');

    expect(res).not.toBeNull();
    expect(res.name).toEqual('files');

});

test("Should create a tags table", ()=>{
    const tags = new TimeChainDataSqliteTag();

    const st = db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name=?");
    const res = st.get('tags');

    expect(res).not.toBeNull();
    expect(res.name).toEqual('tags');


});

test("Should create a tags link table", ()=>{
    const links = new TimeChainDataSqliteTagLink();

    const st = db.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name=?");
    const res = st.get('taglink');

    expect(res).not.toBeNull();
    expect(res.name).toEqual('taglink');
});

test("Should create a record in the database and then remove it",async ()=>{
    const rec = new TimeChainDataSqliteRecord();
    const id = nanoid();
    const hash = "fakehash";
    const content = "This is a test";
    const mime = "text/plain";
    const ts = Math.floor(Date.now());

    return rec.add(id,ts,content,mime,hash).then(res=>{
        expect(res).toEqual(1);
        return rec.get(id).then(res=>{
            expect(res.uuid).toEqual(id);
            expect(res.timestamp).toEqual(ts);
            expect(res.mime).toEqual(mime);
            expect(res.content).toEqual(content);
            expect(res.hash).toEqual(hash);
            return rec.delete(id);
        })
    })
})