local M = {}

local patch_global = vim.fn['ddc#custom#patch_global']
local get_global = vim.fn['ddc#custom#get_global']

function M.change_filter(bang, filter_name)
    if filter_name == "normal" then
        patch_global("sourceOptions", {
            _ = {
                ignoreCase = true,
                matchers = { "matcher_head", "matcher_length" },
                sorters = { "sorter_rank" },
                converters = { "converter_remove_overlap" },
            },
        })
    elseif filter_name == "fuzzy" then
        patch_global("sourceOptions", {
            _ = {
                ignoreCase = true,
                matchers = { "matcher_fuzzy" },
                sorters = { "sorter_fuzzy" },
                converters = { "converter_fuzzy" },
            },
        })
    end
    if bang == 1 then
        vim.print(get_global().sourceOptions._)
    end
end

return M