local vim = vim

local main = require('symbols-outline')
local buf_request = require('symbols-outline.utils.lsp_utils').request

local M = {}

local function get_rename_params(node, winnr)
    local bufnr = vim.api.nvim_win_get_buf(winnr)
    local fn = "file://" .. vim.api.nvim_buf_get_name(bufnr)

    return {
        textDocument = {uri = fn},
        position = {line = node.line, character = node.character},
        bufnr = bufnr
    }
end

function M.rename()
    local current_line = vim.api.nvim_win_get_cursor(main.state.outline_win)[1]
    local node = main.state.flattened_outline_items[current_line]

    local params = get_rename_params(node, main.state.code_win)

    local new_name = vim.fn.input("New Name: ", node.name)
    if not new_name or new_name == "" or new_name == node.name then return end

    params.newName = new_name

    buf_request(params.bufnr, "textDocument/rename", params,
                        function(_, result)
        if result ~= nil then
            vim.lsp.util.apply_workspace_edit(result)
        end
    end)
end

return M