local dap = require("dap")
local dapui = require("dapui")

local function resolve_codelldb()
    local is_windows = vim.fn.has("win32") == 1
    local mason_codelldb = vim.fn.stdpath("data")
        .. (is_windows and "/mason/bin/codelldb.cmd" or "/mason/bin/codelldb")
    if vim.fn.executable(mason_codelldb) == 1 then
        return mason_codelldb
    end

    local system_codelldb = vim.fn.exepath("codelldb")
    if system_codelldb ~= "" then
        return system_codelldb
    end

    return is_windows and "codelldb.cmd" or "codelldb"
end

require("nvim-dap-virtual-text").setup({
    commented = true,
})

dap.adapters.codelldb = {
    type = "server",
    port = "${port}",
    executable = {
        command = resolve_codelldb(),
        args = { "--port", "${port}" },
    },
}

dap.configurations.cpp = {
    {
        name = "Launch file",
        type = "codelldb",
        request = "launch",
        program = function()
            return vim.fn.input("Path to executable: ", vim.fn.getcwd() .. "/build/", "file")
        end,
        cwd = "${workspaceFolder}",
        stopOnEntry = false,
        args = function()
            local input = vim.fn.input("Program args: ")
            if input == "" then
                return {}
            end
            return vim.split(input, " ")
        end,
        runInTerminal = false,
    },
}
dap.configurations.c = dap.configurations.cpp

vim.fn.sign_define("DapBreakpoint", {
    text = "●",
    texthl = "DiagnosticError",
    linehl = "",
    numhl = "",
})
vim.fn.sign_define("DapBreakpointCondition", {
    text = "◆",
    texthl = "DiagnosticWarn",
    linehl = "",
    numhl = "",
})
vim.fn.sign_define("DapLogPoint", {
    text = "◉",
    texthl = "DiagnosticInfo",
    linehl = "",
    numhl = "",
})
vim.fn.sign_define("DapStopped", {
    text = "▶",
    texthl = "DiagnosticOk",
    linehl = "Visual",
    numhl = "DiagnosticOk",
})

dapui.setup({
    layouts = {
        {
            elements = {
                { id = "scopes", size = 0.30 },
                { id = "breakpoints", size = 0.20 },
                { id = "stacks", size = 0.25 },
                { id = "watches", size = 0.25 },
            },
            size = 45,
            position = "left",
        },
        {
            elements = {
                { id = "repl", size = 0.50 },
                { id = "console", size = 0.50 },
            },
            size = 12,
            position = "bottom",
        },
    },
})

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

pcall(function()
    require("telescope").load_extension("dap")
end)