-- ┌─────────────────────────────────────┐
-- │   ▜                ▐  ▐  ▗          │
-- │▛▀▖▐ ▌ ▌▞▀▌▗▖▖▞▀▘▞▀▖▜▀ ▜▀ ▄ ▛▀▖▞▀▌▞▀▘│
-- │▙▄▘▐ ▌ ▌▚▄▌▘▝ ▝▀▖▛▀ ▐ ▖▐ ▖▐ ▌ ▌▚▄▌▝▀▖│
-- │▌   ▘▝▀▘▗▄▘   ▀▀ ▝▀▘ ▀  ▀ ▀▘▘ ▘▗▄▘▀▀ │
-- └─────────────────────────────────────┘

local g = vim.g -- global for let options
local opt = vim.opt -- convenient :set
local cmd = vim.cmd -- vim commands

-- vimwiki {{{ --
g.vimwiki_list = {
    {
        path = '/home/yigit/nextcloud/personal_wiki/text',
        path_html = '/home/yigit/nextcloud/personal_wiki/html',
        auto_generate_tags = 1,
        automatic_nested_syntaxes = 1,
        template_path = '/home/yigit/nextcloud/personal_wiki/templates',
        template_default = 'default_template',
        template_ext = '.html',
        auto_export = 1,
        auto_tags = 1
    }
}

g.vimwiki_global_ext = 0
g.vimwiki_hl_headers = 1
-- }}} vimwiki --

-- lualine {{{ --

local function lualine_spell()
    if vim.wo.spell then
        return "spell"
    else
        return
    end
end

local conditions = {
    spell_on = function ()
        return vim.wo.spell
    end,
    filetype_is_tex = function()
        return vim.bo.filetype == "tex"
    end
}


require'lualine'.setup {
    options = {
        icons_enabled = true,
        theme = 'rose-pine',
        section_separators = { left = '', right = '' },
        component_separators = { left = '', right = '' },
    },
    sections = {
        lualine_a = {{'mode', fmt = string.lower}},
        lualine_b = {'branch',
        {
                'diff',
                diff_color= {
                    -- Same color values as the general color option can be used here.
                    added    = { fg = 'LightGreen' },
                    modified = { fg = 'LightBlue' }, -- Changes the diff's modified color
                    removed  = { fg = 'LightRed' }, -- Changes the diff's removed color you
                }
        },
        {
            lualine_spell,
            cond = conditions.spell_on,
        }},
        lualine_c = {'filename'},
        lualine_x = {'encoding', 'fileformat', 'filetype'},
        lualine_y = {'progress'},
        lualine_z = {
            'location', {
                'diagnostics',
                sources = {'nvim_diagnostic'},
                sections = {'error', 'warn', 'info', 'hint'},
                diagnostics_color = {
                    warn  = { fg = '#6e6a86' },
                },
                symbols = {error = 'e', warn = 'w', info = 'i', hint = 'h'}
            }
        }
    },
    inactive_sections = {
        lualine_a = {},
        lualine_b = {},
        lualine_c = {'filename'},
        lualine_x = {},
        lualine_y = {},
        lualine_z = {}
    },
    tabline = {},
    extensions = {}
}

-- }}} lualine --

-- cutlass suite {{{ --

-- cutlass/yoink/subverse suite
g.yoinkIncludeDeleteOperations = 1

-- fix the Target STRING not available
g.clipboard = {
    name = 'xsel_override',
    copy = {
        ['+'] = 'xsel --input --clipboard',
        ['*'] = 'xsel --input --primary',
    },
    paste = {
        ['+'] = 'xsel --output --clipboard',
        ['*'] = 'xsel --output --primary',
    },
    cache_enabled = 1,
}

-- }}} cutlass suite --

-- UltiSnips {{{ --
g.UltiSnipsEditSplit = "vertical"
-- ctrl + l expands the snippet, c + j/k navigates placeholders
g.UltiSnipsExpandTrigger = "<tab>"
g.UltiSnipsEnableSnipMate = "1"
g.UltiSnipsSnippetDirectories = {"my_snippets", "UltiSnips"}
-- }}} UltiSnips --

-- vimtex {{{ --
g.vimtex_view_method = 'zathura'
g.vimtex_quickfix_mode = 0
g.vimtex_quickfix_ignore_filters = {"Underfull", "Overfull"}

g.vimtex_compiler_latexmk = {
    options = {
        "-pdf", '-shell-escape', '-verbose', '-file-line-error', '-synctex=1', '-interaction=nonstopmode'
    }
}

-- }}} vimtex --

-- filetype.nvim {{{ --
require('filetype').setup({
    overrides = {
        literal = {
            PKGBUILD = 'PKGBUILD',
        },
    }
})
-- }}} filetype.nvim --

-- ledger {{{ --
g.ledger_maxwidth = 80
g.ledger_fillstring = '   -'
-- }}} ledger --

-- devicons {{{ --
require'nvim-web-devicons'.setup {
    override = {
        wiki = {
            icon  = "",
            color = "#D7827E",
            name  = "vimwiki"
        },
        rem = {
            icon  = "",
            color = "#B4637A",
            name  = "remind"
        },
        mail = {
            icon  = "",
            color = "#907AA9",
            name  = "mail"
        },
    };

    default = true
}
-- }}}  devicons --

-- vim-slime {{{ --
g.slime_target = "tmux"
g.slime_paste_file = "$HOME/.slime_paste"
g.slime_default_config = {socket_name = vim.call("get", vim.call("split", vim.env.TMUX, ','), "0"), target_pane = "{last}"}
-- }}} vim-slime --

-- gutentags {{{ --
g.gutentags_enabled = 1
g.gutentags_add_default_project_roots = 0
g.gutentags_project_root = {'Makefile', '.git'}
g.gutentags_exclude_filetypes = {'gitcommit', 'gitconfig', 'gitrebase', 'gitsendemail', 'git'}
g.gutentags_generate_on_new = 1
g.gutentags_generate_on_missing = 1
g.gutentags_generate_on_write = 1
g.gutentags_generate_on_empty_buffer = 0
g.gutentags_ctags_exclude = {
    '*.git', '*.svn', '*.hg',
    'cache', 'build', 'dist', 'bin', 'node_modules', 'bower_components',
    '*-lock.json',  '*.lock',
    '*.min.*',
    '*.bak',
    '*.zip',
    '*.pyc',
    '*.class',
    '*.sln',
    '*.csproj', '*.csproj.user',
    '*.tmp',
    '*.cache',
    '*.vscode',
    '*.pdb',
    '*.exe', '*.dll', '*.bin',
    '*.mp3', '*.ogg', '*.flac',
    '*.swp', '*.swo',
    '.DS_Store', '*.plist',
    '*.bmp', '*.gif', '*.ico', '*.jpg', '*.png', '*.svg',
    '*.rar', '*.zip', '*.tar', '*.tar.gz', '*.tar.xz', '*.tar.bz2',
    '*.pdf', '*.doc', '*.docx', '*.ppt', '*.pptx', '*.xls',
}
-- }}} gutentags --

-- telescope {{{ --
require('telescope').setup {
  extensions = {
    fzf = {
      fuzzy = true,                    -- false will only do exact matching
      override_generic_sorter = true,  -- override the generic sorter
      override_file_sorter = true,     -- override the file sorter
      case_mode = "smart_case",        -- or "ignore_case" or "respect_case"
                                       -- the default case_mode is "smart_case"
    }
  }
}

require('telescope').load_extension('fzf')
-- }}} telescope --

-- alpha-nvim {{{ --
local alpha = require ("alpha")
local startify = require ("alpha.themes.startify")

-- Set header
startify.section.header.val = {
"   ▄   ▄███▄   ████▄     ▄   ▄█ █▀▄▀█ ",
"    █  █▀   ▀  █   █      █  ██ █ █ █ ",
"██   █ ██▄▄    █   █ █     █ ██ █ ▄ █ ",
"█ █  █ █▄   ▄▀ ▀████  █    █ ▐█ █   █ ",
"█  █ █ ▀███▀           █  █   ▐    █  ",
"█   ██                  █▐        ▀   ",
"                        ▐             ",
}

startify.section.footer = {
    { type = "text", val = "footer" },
}

-- Send config to alpha
alpha.setup(startify.opts)


-- }}} alpha-nvim --

-- treesitter {{{ --

require 'nvim-treesitter.configs'.setup {
    ensure_installed = "all",
    highlight = {
        enable = true,
        disable = { "latex" },
        additional_vim_regex_highlighting = false,
    },
    incremental_selection = {
        enable = true,
        keymaps = {
            init_selection = "gnn",
            node_incremental = "grn",
            scope_incremental = "grc",
            node_decremental = "grm",
        },
    },
    indent = {
        enable = true
    }
}
-- }}} treesitter --

-- nvim-cmp {{{ --
local cmp = require'cmp'

cmp.setup({
    snippet = {
        expand = function(args)
            vim.fn["UltiSnips#Anon"](args.body)
        end,
    },
    window = {
        completion = cmp.config.window.bordered(),
        documentation = cmp.config.window.bordered(),
    },
    mapping = cmp.mapping.preset.insert({
        ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
        ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
        ['<C-c>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
        ['<C-e>'] = cmp.mapping({
          i = cmp.mapping.abort(),
          c = cmp.mapping.close(),
        }),
        ['<C-l>'] = cmp.mapping.confirm({ select = true }),
    }),
    sources = cmp.config.sources({
        { name = 'nvim_lsp' },
        { name = 'ultisnips' },
    }, {
        { name = 'buffer' },
        { name = 'path' },
    })
})

-- }}} nvim-cmp --

-- nvim-lspconfig {{{ --
local nvim_lsp = require('lspconfig')

-- Mappings.
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, opts)

local on_attach = function(client, bufnr)
    -- enable completion triggered by <c-x><c-o>
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

    -- see `:help vim.lsp.*` for documentation on any of the below functions
    local bufopts = { noremap=true, silent=true, buffer=bufnr }
    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
    vim.keymap.set('n', 'vh', vim.lsp.buf.hover, bufopts)
    vim.keymap.set('n', 'gh', vim.lsp.buf.implementation, bufopts)
    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
    vim.keymap.set('n', '<leader>wa', vim.lsp.buf.add_workspace_folder, bufopts)
    vim.keymap.set('n', '<leader>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
    vim.keymap.set('n', '<leader>wl', function()
        print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
    end, bufopts)
    vim.keymap.set('n', '<leader>D', vim.lsp.buf.type_definition, bufopts)
    vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, bufopts)
    vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action, bufopts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
    vim.keymap.set('n', '<leader>fm', function() vim.lsp.buf.format { async = true } end, bufopts)
end

-- bring in cmp_nvim_lsp
local capabilities = require('cmp_nvim_lsp').default_capabilities()

local servers = { 'jedi_language_server', 'texlab', 'clangd' }
for _, lsp in ipairs(servers) do
    nvim_lsp[lsp].setup {
        on_attach = on_attach,
        capabilities = capabilities
    }
end

nvim_lsp['efm'].setup {
    on_attach = on_attach,
    filetypes = { 'sh' },
    capabilities = capabilities
}

nvim_lsp.ltex.setup {
    capabilities = capabilities,
    on_attach = function(client, bufnr)
        on_attach(client, bufnr)
        require("ltex_extra").setup {
            load_langs = { "en-GB" },
            init_check = true,
            path = "/home/yigit/.local/share/nvim/ltex",
            log_level = "none",
        }
    end,
    settings = {
        ltex = {
            -- my settings here
        }
    }
}


-- rust-tools {{{ --

-- Configure LSP through rust-tools.nvim plugin.
-- rust-tools will configure and enable certain LSP features for us.
-- See https://github.com/simrat39/rust-tools.nvim#configuration
local rust_opts = {
    tools = {
        runnables = {
            use_telescope = true,
        },
        inlay_hints = {
            auto = true,
            show_parameter_hints = true,
            parameter_hints_prefix = "↸ ",
            other_hints_prefix = "❱ ",
        },
    },

    -- all the opts to send to nvim-lspconfig
    -- these override the defaults set by rust-tools.nvim
    -- see https://github.com/neovim/nvim-lspconfig/blob/master/CONFIG.md#rust_analyzer
    server = {
        -- on_attach is a callback called when the language server attachs to the buffer
        on_attach = on_attach,
        settings = {
            -- to enable rust-analyzer settings visit:
            -- https://github.com/rust-analyzer/rust-analyzer/blob/master/docs/user/generated_config.adoc
            ["rust-analyzer"] = {
                -- enable clippy on save
                checkOnSave = {
                    command = "clippy",
                },
            },
        },
    },
}

require('rust-tools').setup(rust_opts)

-- }}} rust-tools --


-- }}} nvim-lsp --

-- vista {{{ --
g.vista_icon_indent = {"╰ ", "│ "}
-- }}} vista --

-- indent-blankline {{{ --
vim.opt.list = true

require("indent_blankline").setup {
    show_current_context = true,
    char = "┊",
    buftype_exclude = {"terminal"},
    filetype_exclude = {"alpha", "help", "ledger", "man"}
}
-- }}} indent-blankline --

-- nvim-autopairs {{{ --

require('nvim-autopairs').setup({
    disable_filetype = { "TelescopePrompt" },
})

local cmp_autopairs = require('nvim-autopairs.completion.cmp')
local cmp = require('cmp')
cmp.event:on( 'confirm_done', cmp_autopairs.on_confirm_done())

local Rule = require('nvim-autopairs.rule')
local npairs = require('nvim-autopairs')

npairs.add_rule(Rule('%"','%"',"remind"))
npairs.add_rule(Rule('/*','*/',"c"))

-- }}} nvim-autopairs --

-- nvim-colorizer {{{ --
require 'colorizer'.setup()
-- }}} nvim-colorizer --

-- gitsigns.nvim {{{ --

require('gitsigns').setup {
  signs = {
    add          = {hl = 'GitSignsAdd'   , text = '│', numhl='GitSignsAddNr'   , linehl='GitSignsAddLn'},
    change       = {hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},
    delete       = {hl = 'GitSignsDelete', text = '_', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
    topdelete    = {hl = 'GitSignsDelete', text = '‾', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
    changedelete = {hl = 'GitSignsChange', text = '~', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},

  },
  signcolumn = true,  -- Toggle with `:Gitsigns toggle_signs`
  numhl      = false, -- Toggle with `:Gitsigns toggle_numhl`
  linehl     = false, -- Toggle with `:Gitsigns toggle_linehl`
  word_diff  = false, -- Toggle with `:Gitsigns toggle_word_diff`
  keymaps = {
    -- Default keymap options
    noremap = true,

    ['n ]c'] = { expr = true, "&diff ? ']c' : '<cmd>lua require\"gitsigns.actions\".next_hunk()<CR>'"},
    ['n [c'] = { expr = true, "&diff ? '[c' : '<cmd>lua require\"gitsigns.actions\".prev_hunk()<CR>'"},

    ['n <leader>hs'] = '<cmd>lua require"gitsigns".stage_hunk()<CR>',
    ['v <leader>hs'] = '<cmd>lua require"gitsigns".stage_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
    ['n <leader>hu'] = '<cmd>lua require"gitsigns".undo_stage_hunk()<CR>',
    ['n <leader>hr'] = '<cmd>lua require"gitsigns".reset_hunk()<CR>',
    ['v <leader>hr'] = '<cmd>lua require"gitsigns".reset_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
    ['n <leader>hR'] = '<cmd>lua require"gitsigns".reset_buffer()<CR>',
    ['n <leader>hp'] = '<cmd>lua require"gitsigns".preview_hunk()<CR>',
    ['n <leader>hb'] = '<cmd>lua require"gitsigns".blame_line(true)<CR>',
    ['n <leader>hS'] = '<cmd>lua require"gitsigns".stage_buffer()<CR>',
    ['n <leader>hU'] = '<cmd>lua require"gitsigns".reset_buffer_index()<CR>',

    -- Text objects
    ['o ih'] = ':<C-U>lua require"gitsigns.actions".select_hunk()<CR>',
    ['x ih'] = ':<C-U>lua require"gitsigns.actions".select_hunk()<CR>'
  },
  watch_gitdir = {
    interval = 1000,
    follow_files = true
  },
  attach_to_untracked = true,
  current_line_blame = false, -- Toggle with `:Gitsigns toggle_current_line_blame`
  current_line_blame_opts = {
    virt_text = true,
    virt_text_pos = 'eol', -- 'eol' | 'overlay' | 'right_align'
    delay = 1000,
  },
  current_line_blame_formatter_opts = {
    relative_time = false
  },
  sign_priority = 6,
  update_debounce = 100,
  status_formatter = nil, -- Use default
  max_file_length = 40000,
  preview_config = {
    -- Options passed to nvim_open_win
    border = 'single',
    style = 'minimal',
    relative = 'cursor',
    row = 0,
    col = 1
  },
  yadm = {
    enable = true
  },
}

-- }}} gitsigns.nvim --

-- Comment.nvim {{{ --
require('Comment').setup()
-- }}} Comment.nvim --

-- Rose Pine {{{ --
require('rose-pine').setup({
    dark_variant = 'main',
    bold_vert_split = false,
    dim_nc_background = false,
    disable_background = false,
    disable_float_background = false,
    disable_italics = true,
    groups = {
        border = 'highlight_med',
        comment = 'muted',
        link = 'gold',
        punctuation = 'subtle',

        error = 'love',
        hint = 'iris',
        info = 'foam',
        warn = 'gold',

        headings = {
            h1 = 'iris',
            h2 = 'foam',
            h3 = 'rose',
            h4 = 'gold',
            h5 = 'pine',
            h6 = 'foam',
        }
    }
})
-- set colorscheme after options
vim.cmd('colorscheme rose-pine')
-- }}} Rose Pine --

-- dial.nvim {{{ --

local augend = require("dial.augend")
require("dial.config").augends:register_group{
    -- default augends used when no group name is specified
    default = {
        augend.integer.alias.decimal,   -- nonnegative decimal number (0, 1, 2, 3, ...)
        augend.integer.alias.hex,       -- nonnegative hex number  (0x01, 0x1a1f, etc.)
        augend.date.alias["%Y/%m/%d"],  -- date (2022/02/19, etc.)
        augend.date.alias["%Y-%m-%d"],
        augend.semver.alias.semver,
        augend.constant.new{
            elements = {"and", "or"},
            word = true, -- if false, "sand" is incremented into "sor", "doctor" into "doctand", etc.
            cyclic = true,  -- "or" is incremented into "and".
        },
        augend.constant.new{
            elements = {"&&", "||"},
            word = false,
            cyclic = true,
        },
    },
}

-- }}}  dial.nvim --

-- leap.nvim {{{ --
require('leap').setup {
    case_insensitive = true,
    substitute_chars = { ['\r'] = '¬' }
}

-- }}} leap.nvim --

-- fidget.nvim {{{ --
require("fidget").setup{
-- https://github.com/j-hui/fidget.nvim/blob/main/doc/fidget.md
    text = {
        spinner = "triangle"
    }

}
-- }}} fidget.nvim --

-- nvim-tree {{{ --

require("nvim-tree").setup({
    sort_by = "case_sensitive",
    diagnostics = {
        enable = false,
        icons = {
            hint = "❔",
            info = "❕",
            warning = "❗",
            error = "❌",
        }
    },
    view = {
        adaptive_size = true,
        mappings = {
            list = {
                { key = "u", action = "dir_up" },
            },
        },
    },
    renderer = {
        group_empty = true,
    },
    filters = {
        dotfiles = true,
    },
})

-- }}} nvim-tree --

-- barbar.nvim {{{ --

require'bufferline'.setup {
  -- disable animations
  animation = false,

  -- auto-hide the tab bar when there is a single buffer
  auto_hide = true,

  -- enable current/total tabpages indicator (top right corner)
  tabpages = true,

  -- enable close button
  closable = true,

  -- disable clickable tabs
  clickable = false,

  -- Enables / disables diagnostic symbols
  diagnostics = {
    -- `vim.diagnostic.severity`
    [vim.diagnostic.severity.ERROR] = {enabled = true, icon = '❌'},
    [vim.diagnostic.severity.WARN] = {enabled = false},
    [vim.diagnostic.severity.INFO] = {enabled = false},
    [vim.diagnostic.severity.HINT] = {enabled = true},
  },

  -- -- Excludes buffers from the tabline
  -- exclude_ft = {'javascript'},
  -- exclude_name = {'package.json'},

  -- Hide inactive buffers and file extensions. Other options are `current` and `visible`
  -- hide = {extensions = true, inactive = true},

  -- Enable/disable icons
  -- if set to 'numbers', will show buffer index in the tabline
  -- if set to 'both', will show buffer index and icons in the tabline
  icons = true,

  -- If set, the icon color will follow its corresponding buffer
  -- highlight group. By default, the Buffer*Icon group is linked to the
  -- Buffer* group (see Highlighting below). Otherwise, it will take its
  -- default value as defined by devicons.
  icon_custom_colors = false,

  -- Configure icons on the bufferline.
  icon_separator_active = '▎',
  icon_separator_inactive = '▎',
  icon_close_tab = '',
  icon_close_tab_modified = '•',
  icon_pinned = '車',

  -- If true, new buffers will be inserted at the start/end of the list.
  -- Default is to insert after current buffer.
  insert_at_end = false,
  insert_at_start = false,

  -- Sets the maximum padding width with which to surround each tab
  maximum_padding = 1,

  -- Sets the minimum padding width with which to surround each tab
  minimum_padding = 1,

  -- Sets the maximum buffer name length.
  maximum_length = 30,

  -- If set, the letters for each buffer in buffer-pick mode will be
  -- assigned based on their name. Otherwise or in case all letters are
  -- already assigned, the behavior is to assign letters in order of
  -- usability (see order below)
  semantic_letters = true,

  -- New buffer letters are assigned in this order. This order is
  -- optimal for the qwerty keyboard layout but might need adjustement
  -- for other layouts.
  -- letters = 'asdfjkl;ghnmxcvbziowerutyqpASDFJKLGHNMXCVBZIOWERUTYQP',
  letters = 'arstneoidhqwfpluy;zxcvkmARSTNEOIDHQWFPLUYZXCVKM',

  -- Sets the name of unnamed buffers. By default format is "[Buffer X]"
  -- where X is the buffer number. But only a static string is accepted here.
  no_name_title = nil,
}

local nvim_tree_events = require('nvim-tree.events')
local bufferline_api = require('bufferline.api')

local function get_tree_size()
  return require'nvim-tree.view'.View.width
end

nvim_tree_events.subscribe('TreeOpen', function()
  bufferline_api.set_offset(get_tree_size())
end)

nvim_tree_events.subscribe('Resize', function()
  bufferline_api.set_offset(get_tree_size())
end)

nvim_tree_events.subscribe('TreeClose', function()
  bufferline_api.set_offset(0)
end)

-- }}} barbar.nvim --