local M = {}

M.defaults = {
    globals = {
        project_root = "~/Projects",
        keybinds = {
            ["<leader>po"] = "PolydevManager",
        },
    },
    terminal = {
        preset = nil,
        border = {
            enabled = true,
            type = "rounded",
        },
    },
}

local function default_languages(project_root)
    return {
        rust = {
            project_root = project_root .. "/Rust",
            keybinds = {
                ["<leader>pr"] = "RustRun",
            },
        },
        java = {
            project_root = project_root .. "/Java",
            keybinds = {
                ["<leader>pr"] = "JavaRun",
            },
        },
        lua = {
            project_root = project_root .. "/Lua",
            keybinds = {
                ["<leader>pr"] = "LuaRun",
            },
        },
        c = {
            project_root = project_root .. "/C",
            keybinds = {
                ["<leader>pr"] = "CRun",
            },
            build_attributes = "",
        },
        cpp = {
            project_root = project_root .. "/CPP",
            keybinds = {
                ["<leader>pr"] = "CppRun",
            },
            build_attributes = "",
        },
        html = {
            project_root = project_root .. "/Html",
        },
    }
end

M.user_config = {}

---@param user_opts table
function M.setup(user_opts)
    -- First merge global and terminal
    M.user_config = vim.tbl_deep_extend("force", {}, M.defaults, user_opts or {})

    -- Now use the final resolved project_root from user_config
    local root = M.user_config.globals.project_root
    local langs = default_languages(root)

    -- Inject languages into the config, respecting user overrides
    for lang, conf in pairs(langs) do
        M.user_config[lang] = vim.tbl_deep_extend("force", conf, M.user_config[lang] or {})
    end
end

---@param lang string
---@return table
function M.get(lang)
    return M.user_config[lang] or {}
end

return M