#!/usr/bin/env bats

setup_file() {
    PROJECT_ROOT="$(cd "${BATS_TEST_DIRNAME}/.." && pwd)"
    export PROJECT_ROOT

    ORIGINAL_HOME="${HOME:-}"
    export ORIGINAL_HOME

    HOME="$(mktemp -d "${BATS_TEST_DIRNAME}/tmp-browser-cleanup.XXXXXX")"
    export HOME

    mkdir -p "$HOME"
}

teardown_file() {
    rm -rf "$HOME"
    if [[ -n "${ORIGINAL_HOME:-}" ]]; then
        export HOME="$ORIGINAL_HOME"
    fi
}

@test "clean_chrome_old_versions skips when Chrome is running" {
    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

# Mock pgrep to simulate Chrome running
pgrep() { return 0; }
export -f pgrep

clean_chrome_old_versions
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"Google Chrome running"* ]]
    [[ "$output" == *"old versions cleanup skipped"* ]]
}

@test "clean_chrome_old_versions removes old versions but keeps current" {
    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" DRY_RUN=true bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

# Mock pgrep to simulate Chrome not running
pgrep() { return 1; }
export -f pgrep

# Create mock Chrome directory structure
CHROME_APP="$HOME/Applications/Google Chrome.app"
VERSIONS_DIR="$CHROME_APP/Contents/Frameworks/Google Chrome Framework.framework/Versions"
mkdir -p "$VERSIONS_DIR"/{128.0.0.0,129.0.0.0,130.0.0.0}

# Create Current symlink pointing to 130.0.0.0
ln -s "130.0.0.0" "$VERSIONS_DIR/Current"

# Mock functions
is_path_whitelisted() { return 1; }
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f is_path_whitelisted get_path_size_kb bytes_to_human note_activity

# Initialize counters
files_cleaned=0
total_size_cleaned=0
total_items=0

clean_chrome_old_versions

# Verify output mentions old versions cleanup
echo "Cleaned: $files_cleaned items"
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"Chrome old versions"* ]]
    [[ "$output" == *"dry"* ]]
    [[ "$output" == *"Cleaned: 2 items"* ]]
}

@test "clean_chrome_old_versions respects whitelist" {
    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" DRY_RUN=true bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

# Mock pgrep to simulate Chrome not running
pgrep() { return 1; }
export -f pgrep

# Create mock Chrome directory structure
CHROME_APP="$HOME/Applications/Google Chrome.app"
VERSIONS_DIR="$CHROME_APP/Contents/Frameworks/Google Chrome Framework.framework/Versions"
mkdir -p "$VERSIONS_DIR"/{128.0.0.0,129.0.0.0,130.0.0.0}

# Create Current symlink pointing to 130.0.0.0
ln -s "130.0.0.0" "$VERSIONS_DIR/Current"

# Mock is_path_whitelisted to protect version 128.0.0.0
is_path_whitelisted() {
    [[ "$1" == *"128.0.0.0"* ]] && return 0
    return 1
}
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f is_path_whitelisted get_path_size_kb bytes_to_human note_activity

# Initialize counters
files_cleaned=0
total_size_cleaned=0
total_items=0

clean_chrome_old_versions

# Should only clean 129.0.0.0 (not 128.0.0.0 which is whitelisted)
echo "Cleaned: $files_cleaned items"
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"Cleaned: 1 items"* ]]
}

@test "clean_edge_updater_old_versions keeps latest version" {
    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" DRY_RUN=true bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

pgrep() { return 1; }
export -f pgrep

UPDATER_DIR="$HOME/Library/Application Support/Microsoft/EdgeUpdater/apps/msedge-stable"
mkdir -p "$UPDATER_DIR"/{117.0.2045.60,118.0.2088.46,119.0.2108.9}

is_path_whitelisted() { return 1; }
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f is_path_whitelisted get_path_size_kb bytes_to_human note_activity

files_cleaned=0
total_size_cleaned=0
total_items=0

clean_edge_updater_old_versions

echo "Cleaned: $files_cleaned items"
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"Edge updater old versions"* ]]
    [[ "$output" == *"dry"* ]]
    [[ "$output" == *"Cleaned: 2 items"* ]]
}

@test "clean_chrome_old_versions DRY_RUN mode does not delete files" {
    # Create test directory
    CHROME_APP="$HOME/Applications/Google Chrome.app"
    VERSIONS_DIR="$CHROME_APP/Contents/Frameworks/Google Chrome Framework.framework/Versions"
    mkdir -p "$VERSIONS_DIR"/{128.0.0.0,130.0.0.0}

    # Remove Current if it exists as a directory, then create symlink
    rm -rf "$VERSIONS_DIR/Current"
    ln -s "130.0.0.0" "$VERSIONS_DIR/Current"

    # Create a marker file in old version
    touch "$VERSIONS_DIR/128.0.0.0/marker.txt"

    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" DRY_RUN=true bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

pgrep() { return 1; }
is_path_whitelisted() { return 1; }
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f pgrep is_path_whitelisted get_path_size_kb bytes_to_human note_activity

files_cleaned=0
total_size_cleaned=0
total_items=0

clean_chrome_old_versions
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"dry"* ]]
    # Verify marker file still exists (not deleted in dry run)
    [ -f "$VERSIONS_DIR/128.0.0.0/marker.txt" ]
}

@test "clean_chrome_old_versions handles missing Current symlink gracefully" {
    # Use a fresh temp directory for this test
    TEST_HOME="$(mktemp -d "${BATS_TEST_DIRNAME}/tmp-test5.XXXXXX")"

    run env HOME="$TEST_HOME" PROJECT_ROOT="$PROJECT_ROOT" bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

pgrep() { return 1; }
is_path_whitelisted() { return 1; }
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f pgrep is_path_whitelisted get_path_size_kb bytes_to_human note_activity

# Initialize counters to prevent unbound variable errors
files_cleaned=0
total_size_cleaned=0
total_items=0

# Create Chrome app without Current symlink
CHROME_APP="$HOME/Applications/Google Chrome.app"
VERSIONS_DIR="$CHROME_APP/Contents/Frameworks/Google Chrome Framework.framework/Versions"
mkdir -p "$VERSIONS_DIR"/{128.0.0.0,129.0.0.0}
# No Current symlink created

clean_chrome_old_versions
EOF

    rm -rf "$TEST_HOME"
    [ "$status" -eq 0 ]
    # Should exit gracefully with no output
}

@test "clean_edge_old_versions skips when Edge is running" {
    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

# Mock pgrep to simulate Edge running
pgrep() { return 0; }
export -f pgrep

clean_edge_old_versions
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"Microsoft Edge running"* ]]
    [[ "$output" == *"old versions cleanup skipped"* ]]
}

@test "clean_edge_old_versions removes old versions but keeps current" {
    run env HOME="$HOME" PROJECT_ROOT="$PROJECT_ROOT" DRY_RUN=true bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

pgrep() { return 1; }
export -f pgrep

# Create mock Edge directory structure
EDGE_APP="$HOME/Applications/Microsoft Edge.app"
VERSIONS_DIR="$EDGE_APP/Contents/Frameworks/Microsoft Edge Framework.framework/Versions"
mkdir -p "$VERSIONS_DIR"/{120.0.0.0,121.0.0.0,122.0.0.0}

# Create Current symlink pointing to 122.0.0.0
ln -s "122.0.0.0" "$VERSIONS_DIR/Current"

is_path_whitelisted() { return 1; }
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f is_path_whitelisted get_path_size_kb bytes_to_human note_activity

files_cleaned=0
total_size_cleaned=0
total_items=0

clean_edge_old_versions

echo "Cleaned: $files_cleaned items"
EOF

    [ "$status" -eq 0 ]
    [[ "$output" == *"Edge old versions"* ]]
    [[ "$output" == *"dry"* ]]
    [[ "$output" == *"Cleaned: 2 items"* ]]
}

@test "clean_edge_old_versions handles no old versions gracefully" {
    # Use a fresh temp directory for this test
    TEST_HOME="$(mktemp -d "${BATS_TEST_DIRNAME}/tmp-test8.XXXXXX")"

    run env HOME="$TEST_HOME" PROJECT_ROOT="$PROJECT_ROOT" bash --noprofile --norc <<'EOF'
set -euo pipefail
source "$PROJECT_ROOT/lib/core/common.sh"
source "$PROJECT_ROOT/lib/clean/user.sh"

pgrep() { return 1; }
is_path_whitelisted() { return 1; }
get_path_size_kb() { echo "10240"; }
bytes_to_human() { echo "10M"; }
note_activity() { :; }
export -f pgrep is_path_whitelisted get_path_size_kb bytes_to_human note_activity

# Initialize counters
files_cleaned=0
total_size_cleaned=0
total_items=0

# Create Edge with only current version
EDGE_APP="$HOME/Applications/Microsoft Edge.app"
VERSIONS_DIR="$EDGE_APP/Contents/Frameworks/Microsoft Edge Framework.framework/Versions"
mkdir -p "$VERSIONS_DIR/122.0.0.0"
ln -s "122.0.0.0" "$VERSIONS_DIR/Current"

clean_edge_old_versions
EOF

    rm -rf "$TEST_HOME"
    [ "$status" -eq 0 ]
    # Should exit gracefully with no cleanup output
    [[ "$output" != *"Edge old versions"* ]]
}