-- Plugin configurations
-- All plugin-specific settings are configured here

--------------------------------
-- TELESCOPE
--------------------------------
local function setup_telescope()
    local actions = require("telescope.actions")

    -- Function to open selected file in external program
    local function open_in_external_program(prompt_bufnr)
        local entry = require('telescope.actions.state').get_selected_entry()
        local file_path = entry.path or entry.filename
        if file_path then
            os.execute(string.format('start "" "%s"', file_path))
        else
            print("No file selected")
        end
        actions.close(prompt_bufnr)
    end

    require('telescope').setup({
        defaults = {
            layout_config = {
                vertical = { width = 0.5 }
            },
            mappings = {
                n = {
                    ["q"] = actions.close,
                    ["o"] = open_in_external_program,
                },
                i = {
                    ["<C-c>"] = actions.close,
                    ["<C-n>"] = actions.cycle_history_next,
                    ["<C-p>"] = actions.cycle_history_prev,
                    ["<C-j>"] = actions.move_selection_next,
                    ["<C-k>"] = actions.move_selection_previous,
                    ["<C-o>"] = open_in_external_program,
                }
            },
        },
        pickers = {
            live_grep = {
                file_ignore_patterns = { 'node_modules', '.git', '.venv' },
                additional_args = function(_)
                    return { "--hidden" }
                end
            },
            find_files = {
                file_ignore_patterns = { 'node_modules', '.git', '.venv' },
                hidden = true
            }
        }
    })
end

--------------------------------
-- HARPOON
--------------------------------
local function setup_harpoon()
    local harpoon = require("harpoon")
    
    -- Initialize harpoon
    harpoon:setup({
        settings = {
            save_on_toggle = true,
            sync_on_ui_close = true,
        }
    })
end

--------------------------------
-- OIL
--------------------------------
local function setup_oil()
    require("oil").setup({
        -- Default file explorer settings
        default_file_explorer = true,
        
        -- Columns to display
        columns = { "icon" },
        
        -- Buffer options
        buf_options = {
            buflisted = false,
            bufhidden = "hide",
        },
        
        -- Window options
        win_options = {
            wrap = false,
            signcolumn = "no",
            cursorcolumn = false,
            foldcolumn = "0",
            spell = false,
            list = false,
            conceallevel = 3,
            concealcursor = "nvic",
        },
        
        -- File operations
        delete_to_trash = true,
        skip_confirm_for_simple_edits = false,
        prompt_save_on_select_new_entry = true,
        cleanup_delay_ms = 2000,
        
        -- UI behavior
        constrain_cursor = "editable",
        watch_for_changes = false,
        
        -- Custom keymaps
        keymaps = {
            ["g?"] = "actions.show_help",
            ["<CR>"] = "actions.select",
            ["<C-S>"] = { "actions.select", opts = { vertical = true } },
            ["<C-H>"] = { "actions.select", opts = { horizontal = true } },
            ["<C-p>"] = "actions.preview",
            ["<C-c>"] = "actions.close",
            ["<C-l>"] = "actions.refresh",
            ["-"] = "actions.parent",
            ["_"] = "actions.open_cwd",
            ["`"] = "actions.cd",
            ["~"] = { "actions.cd", opts = { scope = "tab" } },
            ["gs"] = "actions.change_sort",
            ["<C-o>"] = "actions.open_external",
            ["g."] = "actions.toggle_hidden",
            ["g\\"] = "actions.toggle_trash",
            ['yp'] = {
                desc = 'Copy filepath to system clipboard',
                callback = function ()
                    require('oil.actions').copy_entry_path.callback()
                    vim.fn.setreg("+", vim.fn.getreg(vim.v.register))
                end,
            },
        },
        
        -- Disable default keymaps
        use_default_keymaps = false,
        
        -- View options
        view_options = {
            show_hidden = false,
            natural_order = true,
            case_insensitive = false,
            sort = {
                { "type", "asc" },
                { "name", "asc" },
            },
        },
        
        -- Preview window settings
        preview = {
            max_width = 0.9,
            min_width = { 40, 0.4 },
            max_height = 0.9,
            min_height = { 5, 0.1 },
            border = "rounded",
            win_options = { winblend = 0 },
        },
        
        -- Floating window settings
        float = {
            padding = 2,
            max_width = 0,
            max_height = 0,
            border = "rounded",
            win_options = { winblend = 0 },
        },
    })
end

--------------------------------
-- TOGGLETERM
--------------------------------
local function setup_toggleterm()
    require("toggleterm").setup({
        -- Shell to use in the terminal
        shell = "pwsh.exe -NoLogo",
        
        -- Display options
        direction = "float",
        float_opts = {
            border = "rounded",
        },
        
        -- Window appearance
        winbar = {
            enabled = false
        },
        
        -- Behavior
        start_in_insert = true,
        close_on_exit = true,
        
        -- Integration with tmux
        persist_size = true,
        persist_mode = true,
    })
end

--------------------------------
-- TREESITTER
--------------------------------
local function setup_treesitter()
    require('nvim-treesitter.configs').setup({
        ensure_installed = { "c", "lua", "vim", "vimdoc", "cpp", "python" },
        sync_install = false,
        auto_install = false,
        highlight = { enable = true },
        indent = { enable = true },
    })
end

--------------------------------
-- COMMENTS
--------------------------------
local function setup_comments()
    require('Comment').setup({
        padding = true,
        sticky = true,
        ignore = nil,
        toggler = {
            line = '<leader>/',
            block = 'gbc',
        },
        opleader = {
            line = '<leader>/',
            block = 'gb',
        }
    })
end

--------------------------------
-- LSP Configuration
--------------------------------
local function setup_lsp()
    -- Configure Mason LSP installer/manager
    require('mason').setup({
        ensure_installed = {
            'lua_ls',       -- Lua
            'clangd',       -- C/C++
            'pyright',      -- Python
            'marksman',     -- Markdown
        },
        handlers = {
            -- Lua LSP settings
            lua_ls = function()
                require('lspconfig').lua_ls.setup({})
            end,
            
            -- C/C++ LSP settings (clangd)
            clangd = function()
                require('lspconfig').clangd.setup({})
            end,
            
            -- Markdown LSP settings
            marksman = function()
                require('lspconfig').marksman.setup({})
            end,
        }
    })
    require("mason-lspconfig").setup {}

    -- Configure diagnostics appearance
    vim.diagnostic.config({
        virtual_lines=true,
        signs = true,
        underline = true,
        update_in_insert = false,
        severity_sort = true,
    })
end

--------------------------------
-- INITIALIZE ALL CONFIGS
--------------------------------

-- Set up all plugin configurations
setup_telescope()
setup_harpoon()
setup_oil()
setup_toggleterm()
setup_treesitter()
setup_comments()
setup_lsp()