nix-config/modules/shell.nix

{ pkgs, ... }:

let
  inherit (pkgs) fish htop-vim;
in
{
  users.defaultUserShell = fish;
  environment.shells = [ fish ];

  environment.sessionVariables = {
    GIT_DISCOVERY_ACROSS_FILESYSTEM = "1";
    FZF_DEFAULT_OPTS = "--height 40% --reverse --border --color=16";
    NODE_OPTIONS = "--max_old_space_size=16384";
    BAT_THEME = "base16";
    GATSBY_TELEMETRY_DISABLED = "1";
    EDITOR = "nvim";
    VISUAL = "nvim";
  };

  environment.systemPackages = builtins.attrValues {
    inherit (pkgs) wget jq eza fd fzf ripgrep;
  };

  programs = {
    fish = {
      enable = true;

      shellAliases = {
        ls = "${pkgs.eza}/bin/eza --icons --group-directories-first --no-quotes -I 'lost+found'";
        tree = "${pkgs.eza}/bin/eza --icons --group-directories-first --no-quotes --all --long --tree -I 'node_modules|.git|public|lost+found|target|.next|.cache|.nuxt|themes|.direnv|.wrangler|.vercel|dist'";
        mv = "mv -i";
        cp = "cp -ia";
        rg = "${pkgs.ripgrep}/bin/rg --max-columns=2000 --smart-case";
        ncu = "${pkgs.npm-check-updates}/bin/ncu --interactive --format group";
      };

      shellAbbrs = {
        g = "git";
        ga = "git add";
        gaa = "git add --all";
        gap = "git add --patch";
        gapp = "git apply";
        gb = "git branch --verbose";
        gbr = "git branch --verbose --remotes";
        gbd = "git branch --delete";
        gbD = "git branch --delete --force";
        gc = "git commit -m";
        gca = "git commit --amend";
        gcl = "git clone";
        gco = "git checkout";
        gcot = "git checkout --theirs";
        gcp = "git cherry-pick --strategy-option theirs";
        gcpx = "git cherry-pick --strategy-option theirs -x";
        gd = "git diff";
        gds = "git diff --staged";
        gf = "git fetch";
        gi = "git init";
        gl = "git log --oneline --decorate --graph -n 10";
        gm = "git merge";
        gp = "git push";
        gpu = "git pull";
        gr = "git reset HEAD~";
        gR = "git restore";
        gRs = "git restore --staged";
        gra = "git remote add";
        gre = "git remote --verbose";
        grh = "git reset HEAD";
        grr = "git reset --hard HEAD~";
        grb = "git rebase --interactive";
        grbc = "git rebase --continue";
        gs = "git status";
        gsma = "git submodule add";
        gsmu = "git submodule update --init --remote --recursive";
        gst = "git stash";
        gstp = "git stash pop";
        gsw = "git switch";
        gt = "git tag";
        gts = "git tag -s";

        y = "yarn";
        ya = "yarn add";
        yb = "yarn build";
        yar = "yarn remove";
        yd = "yarn dev";
        yi = "yarn init";
        yin = "yarn install";
        yu = "yarn upgrade-interactive";

        tp = "trash put";
        tl = "trash list";
        tr = "trash restore";
        te = "trash empty";

        nf = "nix flake";
        nfc = "nix flake check";
        nfu = "nix flake update";
        npr = "nixpkgs-review pr --run fish --print-result";
        nd = "nix develop --command fish";
        nb = "nix build";
        ns = "nix shell";
        nr = "nix run";
        ncg = "sudo nix-collect-garbage -d && nix-collect-garbage -d";
        nvd = "nvd --color always diff /run/current-system result | less -R";

        b = "bun";
        br = "bun run";
        bt = "bun test";
        bi = "bun init";
        bc = "bun create";
        bin = "bun install";
        ba = "bun add";
        brm = "bun remove";
        bu = "bun update";
        bb = "bun build";

        ci = "cargo init";
        cin = "cargo info";
        cu = "cargo update";
        ca = "cargo add";
        cab = "cargo add --build";
        cad = "cargo add --dev";
        cb = "cargo build";
        cr = "cargo run";
        cs = "cargo search";
        ct = "cargo test";
        cT = "cargo tree --depth 1";
        cn = "cargo new";
        crm = "cargo remove";
        crmb = "cargo remove --build";
        crmd = "cargo remove --dev";
        cc = "cargo clippy";
        cf = "cargo fmt";

        dc = "deno compile";
        dr = "deno run";
        di = "deno install";
        dt = "deno task";
        dT = "deno test --watch";

        p = "pnpm";
        pa = "pnpm add";
        pr = "pnpm remove";
        pd = "pnpm dev";
        pt = "pnpm test";
        pb = "pnpm build";
        pbs = "pnpm build && pnpm start";

        dl = "yt-dlp";
        vol = "wpctl set-volume '@DEFAULT_AUDIO_SINK@'"; # Change the volume, e.g. vol 10%+, vol 10%-, vol 100%
        df = "df --human-readable --total";
        du = "du --human-readable --summarize";
        jis = "recode shift_jis..utf8"; # Easily convert shift_jis-encoded files to utf8
        utf16 = "recode utf16..utf8"; # Rarely, some files from Japan are utf16 instead
        jp = "LANG=ja_JP.UTF-8 LC_ALL=ja_JP.UTF-8";
        vm = "nixos-rebuild build-vm --flake . && ./result/bin/run-nixos-vm && trash put result nixos.qcow2";
        sw = "sudo nixos-rebuild switch --flake .";
        tf = "treefmt";
        mgs = "mgitstatus";

        c = "clear";
        e = "exit";
        k = "kitty @ set-background-opacity";
        l = "ls -l";
        n = "nvim";
        j = "yazi";
        t = "tree";
        z = "zathura";
      };
    };

    neovim.enable = true;
    direnv.enable = true;

    starship = {
      enable = true;

      settings = {
        add_newline = false;

        directory = {
          style = "purple";
          read_only = " ro";
        };

        git_branch = {
          style = "yellow";
          symbol = "";
        };

        character = {
          success_symbol = "[>](red)[>](green)[>](blue)";
          error_symbol = "[>](cyan)[>](purple)[>](yellow)";
          vicmd_symbol = "[<](bold green)";
        };

        line_break.disabled = true;

        nodejs = {
          format = "with [$symbol($version )]($style)";
          symbol = "node ";
          version_format = "\${major}";
          disabled = true;
        };

        git_commit.tag_symbol = " tag ";

        git_status = {
          ahead = ">";
          behind = "<";
          diverged = "<>";
          renamed = "r";
          deleted = "x";
        };

        aws.symbol = "aws ";
        cobol.symbol = "cobol ";
        conda.symbol = "conda ";
        crystal.symbol = "cr ";
        cmake.symbol = "cmake ";
        dart.symbol = "dart ";
        deno.symbol = "deno ";
        dotnet.symbol = ".NET ";
        docker_context.symbol = "docker ";
        elixir.symbol = "exs ";
        elm.symbol = "elm ";
        golang.symbol = "go ";
        hg_branch.symbol = "hg ";
        java.symbol = "java ";
        julia.symbol = "jl ";
        kotlin.symbol = "kt ";
        memory_usage.symbol = "memory ";
        nim.symbol = "nim ";

        nix_shell = {
          format = "❄️ ";
          symbol = "nix ";
        };

        ocaml.symbol = "ml ";
        package.symbol = "pkg ";
        perl.symbol = "pl ";
        php.symbol = "php ";
        purescript.symbol = "purs ";
        python.symbol = "python ";
        ruby.symbol = "ruby ";

        rust = {
          symbol = "rust ";
          disabled = true;
        };

        bun = {
          symbol = "bun ";
          disabled = true;
        };

        scala.symbol = "scala ";
        swift.symbol = "swift ";
      };
    };

    htop = {
      enable = true;
      package = htop-vim;

      settings = {
        tree_view = true;
        hide_userland_threads = true;
        highlight_changes = true;
        show_cpu_frequency = true;
        show_cpu_temperature = true;
        highlight_base_name = true;

        show_program_path = false;
      };
    };
  };
}