import Fuse from 'fuse.js'

function createTitleSearch() {
    return new Promise(function (resolve, reject) {
        fetch('/links.json')
            .then(result => result.json())
            .then(documents => {
                const options = {
                    keys: ['title'],
                }

                let commands = [
                    {title: 'Current Time', name: 'time'},
                    {title: 'Today', name: 'today'},
                    {title: 'Tomorrow', name: 'tomorrow'},
                    {title: 'Yesterday', name: 'yesterday'},
                    {title: 'TODO', name: 'todo'},
                    {title: 'DONE', name: 'done'},
                    {title: 'Page Reference', name: 'page_reference'},
                    {title: 'Code Block', name: 'code_block'},
                ];

                const fuseIndex = Fuse.createIndex(options.keys, documents)
                let titleFuse = new Fuse(documents, options, fuseIndex)
                let commandFuse = new Fuse(commands, {keys: ['title', 'name']})

                resolve({
                    documents,
                    titleSearch: query => {
                        return new Promise((resolve, reject) => {
                            resolve(titleFuse.search(query))
                        })
                    },
                    commandSearch: query => {
                        return new Promise((resolve, reject) => {
                            resolve(commandFuse.search(query))
                        })
                    },
                    commands: commands,
                })
            })
    })
}

export default createTitleSearch