#!/usr/bin/env sh
# SPDX-License-Identifier: MIT

set -ex
PS4='${0##*/}:$LINENO: '

test_system_tea_bin() {
    SYSTEM_TEA_BIN=$TMP_DIR/tea
    : >"$SYSTEM_TEA_BIN" && chmod +x "$SYSTEM_TEA_BIN"
    PATH=$TMP_DIR:$PATH
    export PATH
    setup_tea
    [ "$TEA_BIN" = "$SYSTEM_TEA_BIN" ]
}

test_download_tea_bin() {
    # assume tea is not installed on system
    setup_tea
    [ "$TEA_BIN" = "$TMP_DIR/tea" ]
}

test_teardown() {
    setup_api
    api DELETE repos/$REPO/releases/tags/$TAG || true
    api DELETE repos/$REPO/tags/$TAG || true
    rm -fr dist/release
    setup_tea
    "$TEA_BIN" login delete "$DOER" || true
}

test_reset_repo() {
    project="$1"
    api DELETE repos/$REPO || true
    api POST user/repos --data-raw '{"name":"'$project'", "auto_init":true}'
    git clone "$FORGEJO/$REPO" "$TMP_DIR/repo"
    SHA=$(git -C "$TMP_DIR/repo" rev-parse HEAD)
}

test_setup() {
    project="$1"
    test_reset_repo "$project"
    mkdir -p "$RELEASE_DIR"
    : >"$RELEASE_DIR/file-one.txt"
    : >"$RELEASE_DIR/file-two.txt"
}

test_wait_release_fail() {
    ! wait_release
}

test_wait_release() {
    wait_release
    release_draft true
    ! wait_release
}

test_create_delete_tag() {
    delete_tag

    ! get_tag
    create_tag
    get_tag
    delete_tag
    ! get_tag
}

test_ensure_tag() {
    delete_tag
    #
    # idempotent
    #
    ensure_tag
    mv "$TAG_FILE" "$TMP_DIR/tag1.json"

    ensure_tag
    mv "$TAG_FILE" "$TMP_DIR/tag2.json"

    diff -u "$TMP_DIR/tag1.json" "$TMP_DIR/tag2.json"
    #
    # sanity check on the SHA of an existing tag
    #
    (
        SHA=12345
        ! matched_tag
        ! ensure_tag
    )
    delete_tag
}

test_maybe_sign_release_no_gpg() {
    test_maybe_sign_release_setup no_gpg

    GPG_PRIVATE_KEY=
    maybe_sign_release

    ! [ -f "$RELEASE_DIR/file-one.txt.asc" ]
}

test_maybe_sign_release_gpg_no_passphrase() {
    test_maybe_sign_release_setup gpg_no_passphrase

    GPG_PRIVATE_KEY=testdata/gpg-private-no-passphrase.asc
    maybe_sign_release

    test_maybe_sign_release_skipped
    test_maybe_sign_release_verify
}

test_maybe_sign_release_gpg() {
    test_maybe_sign_release_setup gpg

    GPG_PRIVATE_KEY=testdata/gpg-private.asc
    GPG_PASSPHRASE=testdata/gpg-private.passphrase
    maybe_sign_release

    test_maybe_sign_release_skipped
    test_maybe_sign_release_verify
}

test_maybe_sign_release_skipped() {
    ! [ -f "$RELEASE_DIR/file-one.txt.sha256.asc" ]
    ! [ -f "$RELEASE_DIR/file-two.txt.sha256.asc" ]
}

test_maybe_sign_release_verify() {
    for file in "$RELEASE_DIR/file-one.txt" "$RELEASE_DIR/file-two.txt"; do
        gpg --verify "$file.asc" "$file"
    done
}

test_maybe_sign_release_setup() {
    name="$1"

    echo "========= maybe_sign_release $name ========="
    RELEASE_DIR="$TMP_DIR/$name"
    mkdir -p "$RELEASE_DIR"
    GNUPGHOME="$TMP_DIR/$name/.gnupg"
    mkdir -p "$GNUPGHOME"
    : >"$RELEASE_DIR/file-one.txt"
    : >"$RELEASE_DIR/file-one.txt.sha256"
    : >"$RELEASE_DIR/file-two.txt"
    : >"$RELEASE_DIR/file-two.txt.sha256"
}

test_maybe_sign_release() {
    test_maybe_sign_release_no_gpg
    test_maybe_sign_release_gpg_no_passphrase
    test_maybe_sign_release_gpg
}

test_run() {
    user="$1"
    project="$2"
    test_teardown
    to_push="$TMP_DIR/binaries-releases-to-push"
    pulled="$TMP_DIR/binaries-releases-pulled"
    RELEASE_DIR="$to_push"
    REPO="$user/$project"
    test_setup "$project"
    test_ensure_tag
    test_create_delete_tag
    DELAY=0
    test_wait_release_fail
    echo "================================ TEST BEGIN"
    upload
    RELEASE_DIR="$pulled"
    download
    diff -r "$to_push" "$pulled"
    echo "================================ TEST END"
    test_wait_release
}

TMP_DIR=$(mktemp -d)

trap 'rm -fr "$TMP_DIR"' 0 INT TERM

: ${TAG:=v17.8.20-1}

. "$(dirname "$0")/../forgejo-release.sh"