local state = require "state"

return {
    "nvim-telescope/telescope.nvim",
    opts = function(_, opts)
        local actions = require "telescope.actions"
        local actions_mt = require "telescope.actions.mt"

        local open_quickfix = actions_mt.transform("open_quickfix", actions_mt.create(), nil, {
            action = function()
                require("trouble").open "qflist"
            end,
        })

        return vim.tbl_deep_extend("force", opts, {
            defaults = {
                mappings = {
                    n = {
                        ["<C-q>"] = actions.send_to_qflist + open_quickfix,
                        ["<C-h>"] = "preview_scrolling_left",
                        ["<C-k>"] = "preview_scrolling_up",
                        ["<C-j>"] = "preview_scrolling_down",
                        ["<C-l>"] = "preview_scrolling_right",
                    },
                    i = {
                        ["<C-q>"] = actions.send_to_qflist + open_quickfix,
                        ["<C-h>"] = "preview_scrolling_left",
                        ["<C-k>"] = "preview_scrolling_up",
                        ["<C-j>"] = "preview_scrolling_down",
                        ["<C-l>"] = "preview_scrolling_right",
                    },
                },
            },
        })
    end,
    dependencies = {
        "nvim-lua/plenary.nvim",
    },
    keys = function()
        local builtin = require "telescope.builtin"
        return {
            { "<Leader>ff", builtin.find_files, desc = "Telescope: find files" },
            {
                "<Leader>fF",
                function()
                    builtin.find_files(state.nvim_tree_root and {
                        cwd = state.nvim_tree_root,
                    })
                end,
                desc = "Telescope: find files in nvim-tree root",
            },
            { "<Leader>fg", builtin.live_grep, desc = "Telescope: live grep" },
            {
                "<Leader>fG",
                function()
                    builtin.live_grep(state.nvim_tree_root and {
                        cwd = state.nvim_tree_root,
                    })
                end,
                desc = "Telescope: live grep in nvim-tree root",
            },
        }
    end,
    cmd = { "Telescope" },
}