require("packer").startup({{
    -- plugin manager
    "wbthomason/packer.nvim",

    -- colors
    {
        "olimorris/onedark.nvim", 
        requires = "rktjmp/lush.nvim",
    },

    -- syntax parsing
    {
        "nvim-treesitter/nvim-treesitter",
        run = ":TSUpdate",
        config = function()
            require("nvim-treesitter.configs").setup({
                ensure_installed = "maintained",
                autopairs = {
                    enable = true,
                },
                highlight = {
                    enable = true,
                },
                incremental_selection = {
                    enable = true,
                    keymaps = {
                        init_selection = "gnn",
                        node_incremental = "grn",
                        scope_incremental = "grc",
                        node_decremental = "grm",
                    },
                },
                indent = {
                    enable = true,
                },
            })
        end,
    },

    -- underlines all words that match the word under the cursor
    "yamatsum/nvim-cursorline",

    -- helps to find cursor when it jumps a far distance
    {
        "edluffy/specs.nvim",
        config = function()
            require("specs").setup({
                show_jumps = true,
                min_jump = 30,
                popup = {
                    delay_ms = 0,
                    inc_ms = 10,
                    blend = 10,
                    width = 30,
                    winhl = "PMenu",
                    fader = require("specs").pulse_fader,
                    resizer = require("specs").shrink_resizer,
                },
                ignore_filetypes = {},
                ignore_buftypes = {
                    nofile = true,
                },
            })
        end,
    },

    -- highlights color codes with their color
    {
        "norcalli/nvim-colorizer.lua", 
        config = function() 
            require("colorizer").setup() 
        end,
    },

    -- automatically adds matching brackets, quotation marks, etc
    {
        "windwp/nvim-autopairs",
        config = function()
            require("nvim-autopairs").setup({
                check_ts = true,
            })
        end,
    },

    -- finds errors & warnings in code
    "vim-syntastic/syntastic",

    -- tools for rust programming
    "rust-lang/rust.vim",

    -- python formatter
    {
        "psf/black",
        run = ":BlackUpgrade",
    },

    -- discord rich presence
    "andweeb/presence.nvim",
}})

-- Setting plugin-specific variables --

-- onedark.nvim
vim.g.onedark_override = {
    -- my personal color scheme, Pastls
    red = "#e6b3b3",
    green = "#bde6b3",
    yellow = "#e6e0b3",
    blue = "#b3c7e6",
    purple = "#ccb3e6",
    cyan = "#b3e6d6",
    white = "#ccc",
    black = "#141414",
    gray = "#bdbdbd",
    comment_gray = "#a3a3a3",
    selection_gray = "#333",
    indentline_gray = "#a3a3a3",
    colorcolumn_gray = "#242424",
}
vim.o.background = "dark"

-- lush.nvim
vim.g.colors_name = "onedark_nvim"

-- syntastic
vim.g.syntastic_always_populate_loc_list = 1
vim.g.syntastic_auto_loc_list = 1
vim.g.syntastic_check_on_open = 1
vim.g.syntastic_check_on_wq = 1

-- rust.vim
vim.g.rustfmt_autosave = 1