-- Primarily focused on configuring the debugger for Go, but can
-- be extended to other languages as well.

return {
    "mfussenegger/nvim-dap",
    dependencies = {
        -- Creates a beautiful debugger UI
        "rcarriga/nvim-dap-ui",

        -- Installs the debug adapters for you
        "williamboman/mason.nvim",
        "jay-babu/mason-nvim-dap.nvim",

        -- Add your own debuggers here
        "leoluz/nvim-dap-go",
    },
    config = function()
        local dap = require("dap")
        local dapui = require("dapui")

        require("mason-nvim-dap").setup({
            -- Makes a best effort to setup the various debuggers with reasonable debug configurations
            automatic_setup = true,

            -- see mason-nvim-dap README for more information
            handlers = {},

            -- You'll need to check that you have the required things installed online
            ensure_installed = {
                -- Update this to ensure that you have the debuggers for the langs you want
                -- "delve",
                -- TODO: Rust, C#, TS/JS, Python
            },
        })

        vim.keymap.set("n", "<F5>", dap.continue, { desc = "Debug: Start/Continue" })
        vim.keymap.set("n", "<F1>", dap.step_into, { desc = "Debug: Step Into" })
        vim.keymap.set("n", "<F2>", dap.step_over, { desc = "Debug: Step Over" })
        vim.keymap.set("n", "<F3>", dap.step_out, { desc = "Debug: Step Out" })
        vim.keymap.set("n", "<leader>b", dap.toggle_breakpoint, { desc = "Debug: Toggle Breakpoint" })
        vim.keymap.set("n", "<leader>B", function()
            dap.set_breakpoint(vim.fn.input("Breakpoint condition: "))
        end, { desc = "Debug: Set Breakpoint" })

        -- For more information, see |:help nvim-dap-ui|
        dapui.setup({
            -- Set icons to characters that are more likely to work in every terminal.
            icons = { expanded = "▾", collapsed = "▸", current_frame = "*" },
            controls = {
                icons = {
                    pause = "⏸",
                    play = "▶",
                    step_into = "⏎",
                    step_over = "⏭",
                    step_out = "⏮",
                    step_back = "b",
                    run_last = "▶▶",
                    terminate = "⏹",
                    disconnect = "⏏",
                },
            },
        })

        -- Toggle to see last session result. Without this, you can't see session output in case of unhandled exception.
        vim.keymap.set("n", "<F7>", dapui.toggle, { desc = "Debug: See last session result." })

        dap.listeners.after.event_initialized["dapui_config"] = dapui.open
        dap.listeners.before.event_terminated["dapui_config"] = dapui.close
        dap.listeners.before.event_exited["dapui_config"] = dapui.close

        -- Install golang specific config
        -- require("dap-go").setup()
        -- TODO: Rust, C#, TS/JS, Python
    end,
}