#!/bin/bash
set -e

if [ -z "$NOW_TOKEN" ]; then
    echo "NOW_TOKEN is not set; skipping docs deployment"
else
    if [[ -e primer-version.txt ]]; then
        version=$(cat primer-version.txt)
    else
        version=$(jq -r .version modules/primer/package.json)
    fi

    cp modules/primer/build/build.css docs/static/primer.css
    cd docs
    npm run sync

    actual=$(jq -r .dependencies.primer package.json)

    if [[ "$version" != "$actual" ]]; then
        # here, we need to manually update the primer dependency
        # version to the one that we published
        echo "primer has '$version' in package.json; docs wants '$actual'"
        jq ".dependencies.primer = \"$version\"" package.json > package.json.tmp
        mv package.json.tmp package.json
    fi

    now_args="--token=$NOW_TOKEN"
    npx commit-status pending docs "deploying v$version docs..."

    echo "deploying..."
    now $now_args | tee now-url.txt
    url=$(cat now-url.txt)
    npx commit-status success docs "v$version docs: $url" "$url"

    if [[ $TRAVIS_EVENT_TYPE = "pull_request" ]]; then
        branch=$TRAVIS_PULL_REQUEST_BRANCH
    else
        branch=$TRAVIS_BRANCH
    fi

    alias="primer-css-${branch//\./-}.now.sh"
    echo "aliasing to '$alias'..."
    now $now_args alias $url $alias
    npx commit-status success docs "v$version docs: $alias" "https://$alias"
fi