#!/usr/bin/env bats

load ../test_helper
load "${BASH_IT}/vendor/github.com/erichs/composure/composure.sh"
load ../../lib/log

cite _about _param _example _group _author _version

load ../../lib/helpers
load ../../themes/githelpers.theme
load ../../themes/base.theme

add_commit() {
  local file_name="general-${RANDOM}"
  touch "${file_name}"
  echo "" >> "${file_name}"
  git add "${file_name}"
  git commit -m"message"
}

enter_new_git_repo() {
  repo="$(setup_repo)"
  pushd "${repo}"
}

setup_repo() {
  upstream="$(mktemp -d)"
  pushd "$upstream" > /dev/null
  git init . > /dev/null

  echo "$upstream"
}

setup_repo_with_upstream() {
  upstream="$(setup_repo)"
  pushd "$upstream" > /dev/null
  add_commit > /dev/null
  git checkout -b branch-two
  git checkout -b gone-branch
  git checkout master
  popd > /dev/null

  downstream="$(setup_repo)"
  pushd "$downstream" > /dev/null
  add_commit > /dev/null
  git remote add my-remote "$upstream"
  git fetch my-remote
  git branch -u my-remote/master > /dev/null
  popd > /dev/null

  pushd "$upstream" > /dev/null
  git branch -d gone-branch > /dev/null
  popd > /dev/null

  pushd "$downstream" > /dev/null
  git fetch my-remote
  popd > /dev/null

  echo "$downstream"
}

@test 'themes base: Git: when tracking a remote branch: it shows the commits ahead and behind' {
  pre="\$(_git-friendly-ref)"

  remote="$(setup_repo)"
  pushd "$remote"
  add_commit
  add_commit
  popd

  clone="$(mktemp -d)"
  pushd "$clone"
  git clone "$remote" clone
  cd clone

  SCM_GIT_SHOW_COMMIT_COUNT=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}"

  add_commit

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ↑1"

  add_commit

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ↑2"
  popd

  pushd "$remote"
  add_commit
  add_commit
  add_commit
  popd

  pushd "$clone/clone"
  git fetch

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ↑2 ↓3"

  git reset HEAD~2 --hard

  SCM_GIT_BEHIND_CHAR="↓"
  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ↓3"
}

@test 'themes base: Git: when stashes exist: it shows the number of stashes' {
  pre="\$(_git-friendly-ref)"

  enter_new_git_repo
  add_commit

  touch file
  git add file
  git stash

  SCM_GIT_SHOW_STASH_INFO=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} {1}"

  touch file2
  git add file2
  git stash

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} {2}"
}

@test 'themes base: Git: remote info: when there is no upstream remote: is empty' {
  pre="\$(_git-friendly-ref)"
  post=" ↑1 ↓1"

  enter_new_git_repo
  add_commit

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}"
}

@test 'themes base: Git: remote info: when SCM_GIT_SHOW_REMOTE_INFO is true: includes the remote' {
  pre="\$(_git-friendly-ref) → "
  eval_pre="master → "
  post=" ↑1 ↓1"

  repo="$(setup_repo_with_upstream)"
  pushd "${repo}"

  SCM_GIT_SHOW_REMOTE_INFO=true
  SCM_GIT_SHOW_COMMIT_COUNT=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}my-remote${post}"

  git branch -u my-remote/branch-two

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}\$(_git-upstream)${post}"
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "${eval_pre}my-remote/branch-two${post}"
}

@test 'themes base: Git: remote info: when SCM_GIT_SHOW_REMOTE_INFO is auto: includes the remote when more than one remote' {
  pre="\$(_git-friendly-ref)"
  eval_pre="master"
  post=" ↑1 ↓1"

  repo="$(setup_repo_with_upstream)"
  pushd "${repo}"

  SCM_GIT_SHOW_REMOTE_INFO=auto
  SCM_GIT_SHOW_COMMIT_COUNT=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}${post}"

  pre="${pre} → "
  eval_pre="${eval_pre} → "
  git branch -u my-remote/branch-two

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}\$(_git-upstream-branch)${post}"
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "${eval_pre}branch-two${post}"

  git remote add second-remote "$(mktemp -d)"
  git branch -u my-remote/master

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}my-remote${post}"

  git branch -u my-remote/branch-two

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}\$(_git-upstream)${post}"
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "${eval_pre}my-remote/branch-two${post}"
}

@test 'themes base: Git: remote info: when SCM_GIT_SHOW_REMOTE_INFO is false: never include the remote' {
  pre="\$(_git-friendly-ref)"
  eval_pre="master"
  post=" ↑1 ↓1"

  repo="$(setup_repo_with_upstream)"
  pushd "${repo}"
  git remote add second-remote "$(mktemp -d)"
  git remote add third-remote "$(mktemp -d)"

  SCM_GIT_SHOW_REMOTE_INFO=false
  SCM_GIT_SHOW_COMMIT_COUNT=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}${post}"

  pre="${pre} → "
  eval_pre="${eval_pre} → "
  git branch -u my-remote/branch-two

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}\$(_git-upstream-branch)${post}"
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "${eval_pre}branch-two${post}"
}

@test 'themes base: Git: remote info: when showing remote info: show if upstream branch is gone' {
  pre="\$(_git-friendly-ref)"
  post=" ↑1 ↓1"

  repo="$(setup_repo_with_upstream)"
  pushd "${repo}"

  SCM_GIT_SHOW_REMOTE_INFO=true
  SCM_GIT_SHOW_COMMIT_COUNT=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} → my-remote${post}"

  git checkout gone-branch
  git fetch --prune --all

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ⇢ my-remote"
}

@test 'themes base: Git: git friendly ref: when a branch is checked out: shows that branch' {
  enter_new_git_repo

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "master"

  git checkout -b second-branch

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "second-branch"
}

@test 'themes base: Git: git friendly ref: when a branch is not checked out: shows that branch' {
  enter_new_git_repo

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "master"

  git checkout -b second-branch

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "second-branch"
}

@test 'themes base: Git: git friendly ref: when detached: commit has branch and tag: show a tag' {
  enter_new_git_repo
  add_commit
  git tag first-tag
  git checkout -b second-branch
  add_commit
  git checkout HEAD~1

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "tag:first-tag"
}

@test 'themes base: Git: git friendly ref: when detached: commit has branch and no tag: show a branch' {
  enter_new_git_repo
  add_commit
  git checkout -b second-branch
  add_commit
  git checkout HEAD~1

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "detached:master"
}

@test 'themes base: Git: git friendly ref: when detached with no branch or tag: commit is parent to a named ref: show relative name' {
  enter_new_git_repo
  add_commit
  add_commit
  git checkout HEAD~1

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "detached:master~1"
}

@test 'themes base: Git: git friendly ref: when detached with no branch or tag: commit is not parent to a named ref: show short sha' {
  enter_new_git_repo
  add_commit
  add_commit
  sha="$(git rev-parse --short HEAD)"
  git reset --hard HEAD~1
  git checkout "$sha"

  git_prompt_vars
  assert_equal "$(eval "echo \"$SCM_BRANCH\"")" "detached:$sha"
}

@test 'themes base: Git: git friendly ref: shows staged, unstaged, and untracked file counts' {
  pre="\$(_git-friendly-ref)"

  enter_new_git_repo
  echo "line1" > file1
  echo "line1" > file2
  echo "line1" > file3
  echo "line1" > file4
  git add .
  git commit -m"commit1"

  git_prompt_vars
  assert_equal "$SCM_STATE" " ✓"

  echo "line2" >> file1
  git add file1

  SCM_GIT_SHOW_DETAILS=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} S:1"
  assert_equal "$SCM_STATE" " ✗"
  assert_equal "$SCM_DIRTY" "3"

  echo "line2" >> file2
  echo "line2" >> file3
  echo "line2" >> file4

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} S:1 U:3"
  assert_equal "$SCM_DIRTY" "2"

  echo "line1" > newfile5
  echo "line1" > newfile6

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} S:1 U:3 ?:2"
  assert_equal "$SCM_DIRTY" "1"

  git config bash-it.hide-status 1

  SCM_DIRTY='nope'
  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}"
  assert_equal "$SCM_DIRTY" "nope"
}

@test 'themes base: Git: git user info: shows user initials' {
  pre="\$(_git-friendly-ref)"

  enter_new_git_repo
  git config user.name "Cool User"

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre}"

  SCM_GIT_SHOW_CURRENT_USER=true

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ☺︎ cu"

  git config user.name "Çool Üser"

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ☺︎ çü"

  # show initials set by `git pair`

  git config user.initials "ab cd"

  git_prompt_vars
  assert_equal "$SCM_BRANCH" "${pre} ☺︎ ab+cd"
}