M = {}

local config = require('note-workflow.notes').config_values
local prefix = config.prefix
local server = config.server

local function file_exists(name)
    local f = io.open(name, "r")
    if f ~= nil then
        io.close(f)
        return true
    else
        return false
    end
end

function M.prune_search_db()
    local curl = require "plenary.curl"
    local json = require('json')
    local hits = {}

    local res, err = pcall(curl.get(server .. '/indexes/notes/documents?limit=99999999&fields=title,id', {
        accept = "application/json",
    }))

    if er ~= nil and res.status ~= 404 then
        local tab = json.parse(res.body)
        if tab and tab['total'] > 0 then
            for i, v in ipairs(tab['results']) do
                if not file_exists(prefix .. v['title']) then
                    print('Delete ' .. v['title'] .. ' from search index')
                    curl.delete('http://localhost:7700/indexes/notes/documents/' .. v['id'], {})
                end
            end
        end
    end
end

return M