#!/usr/bin/env bash

# Script used with Drone CI to upload build artifacts (because specifying all this in
# .drone.jsonnet is too painful).
# 
# Passing an argument of 'false' will result in just the upload location being output
# instead of attepting to actually upload

set -o errexit

if [[ -z "$1" || "$0" == "true" ]]; then
    if [ -z "$SSH_KEY" ]; then
        echo -e "\n\n\n\e[31;1mUnable to upload artifact: SSH_KEY not set\e[0m"
        # Just warn but don't fail, so that this doesn't trigger a build failure for untrusted builds
        exit 0
    fi

    echo "$SSH_KEY" >ssh_key

    set -o xtrace  # Don't start tracing until *after* we write the ssh key

    chmod 600 ssh_key

    should_upload=true
else
    should_upload=$1
fi

# Define the output paths
prod_path="build/Session.xcarchive"
sim_path="build/Session_sim.xcarchive/Products/Applications/Session.app"

# Validate the paths exist
if [ -d $prod_path ]; then
    suffix="store"
    target_path=$prod_path
elif [[ -d $sim_path || "$should_upload" == "false" ]]; then
    suffix="sim"
    target_path=$sim_path
else
    echo -e "\n\n\n\e[31;1mExpected a file to upload, found none\e[0m" >&2
    exit 1
fi

if [ -n "$DRONE_TAG" ]; then
    # For a tag build use something like `session-ios-v1.2.3`
    base="session-ios-$DRONE_TAG-$suffix"
elif [ "$should_upload" == "false" ]; then
    # Instead of the datetime include a wildcard in the base name as it'll differ in the actual build:
    # session-ios-.*-2fba13878
    # base="session-ios-.*-${DRONE_COMMIT:0:9}-$suffix"
    base="session-ios-.*-2fba13878-$suffix"
else
    # Otherwise build a length name from the datetime and commit hash, such as:
    # session-ios-20200522T212342Z-2fba13878
    base="session-ios-$(date --date=@$DRONE_BUILD_CREATED +%Y%m%dT%H%M%SZ)-${DRONE_COMMIT:0:9}-$suffix"
fi

archive="$base.tar.xz"
#upload_to="oxen.rocks/${DRONE_REPO// /_}/${DRONE_BRANCH// /_}"
upload_to="oxen.rocks/mpretty-cyro/session-ios/feature/groups-rebuild"

if [ "$should_upload" == "true" ]; then
    # Copy over the build products
    mkdir -vp "$base"
    mkdir -p build
    cp -av $target_path "$base"

    # tar dat shiz up yo
    tar cJvf "$archive" "$base"

    # sftp doesn't have any equivalent to mkdir -p, so we have to split the above up into a chain of
    # -mkdir a/, -mkdir a/b/, -mkdir a/b/c/, ... commands.  The leading `-` allows the command to fail
    # without error.
    upload_dirs=(${upload_to//\// })
    put_debug=
    mkdirs=
    dir_tmp=""
    for p in "${upload_dirs[@]}"; do
        dir_tmp="$dir_tmp$p/"
        mkdirs="$mkdirs
    -mkdir $dir_tmp"
    done

sftp -i ssh_key -b - -o StrictHostKeyChecking=off drone@oxen.rocks <<SFTP
    $mkdirs
    put $archive $upload_to
    $put_debug
SFTP

    set +o xtrace

    echo -e "\n\n\n\n\e[32;1mUploaded to https://${upload_to}/${archive}\e[0m\n\n\n"
else
    echo -e "https://${upload_to}/${archive}"
fi