#!/bin/bash
#
# Skill Migrator Test Script
# Tests the non-interactive mode functionality

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
MIGRATE_SCRIPT="$HOME/.config/opencode/skills/skill-migrator/scripts/migrate.sh"
TEST_DIR="$HOME/.agents-test"

echo "========================================"
echo "   SKILL MIGRATOR TEST SUITE"
echo "========================================"
echo ""

# Setup: Create test skills
setup_test_env() {
    echo "Setting up test environment..."
    rm -rf "$TEST_DIR"
    mkdir -p "$TEST_DIR"
    
    # Create a test skill
    mkdir -p "$TEST_DIR/test-skill-1"
    cat > "$TEST_DIR/test-skill-1/SKILL.md" << 'EOF'
---
name: test-skill-1
description: Test skill 1 for migration testing
---

# Test Skill 1

This is a test skill.
EOF

    # Create another test skill
    mkdir -p "$TEST_DIR/test-skill-2"
    cat > "$TEST_DIR/test-skill-2/SKILL.md" << 'EOF'
---
name: test-skill-2
description: Test skill 2 for migration testing
---

# Test Skill 2

This is another test skill.
EOF

    echo "✓ Test environment created"
    echo ""
}

# Test 1: Basic non-interactive migration
test_basic_migration() {
    echo "Test 1: Basic Non-Interactive Migration"
    echo "----------------------------------------"
    
    # Clean target
    rm -rf "$HOME/.config/opencode/skills/test-skill-1"
    rm -rf "$HOME/.config/opencode/skills/test-skill-2"
    
    # Run migration with non-interactive flags
    if "$MIGRATE_SCRIPT" "$TEST_DIR" --all --yes; then
        echo "✓ Migration completed successfully"
    else
        echo "✗ Migration failed"
        return 1
    fi
    
    # Verify skills were migrated
    if [[ -d "$HOME/.config/opencode/skills/test-skill-1" && -d "$HOME/.config/opencode/skills/test-skill-2" ]]; then
        echo "✓ Skills migrated to correct location"
    else
        echo "✗ Skills not found in target directory"
        return 1
    fi
    
    echo ""
}

# Test 2: Skip conflict strategy
test_skip_strategy() {
    echo "Test 2: Skip Conflict Strategy"
    echo "-------------------------------"
    
    # Modify source skill
    echo "# Modified" >> "$TEST_DIR/test-skill-1/SKILL.md"
    
    # Run migration with skip strategy
    if "$MIGRATE_SCRIPT" "$TEST_DIR" --all --yes --conflict-strategy skip; then
        echo "✓ Migration with skip strategy completed"
    else
        echo "✗ Migration failed"
        return 1
    fi
    
    # Verify original skill was NOT overwritten
    if ! grep -q "# Modified" "$HOME/.config/opencode/skills/test-skill-1/SKILL.md"; then
        echo "✓ Existing skill was skipped (not overwritten)"
    else
        echo "✗ Existing skill was overwritten (should have been skipped)"
        return 1
    fi
    
    echo ""
}

# Test 3: Overwrite conflict strategy
test_overwrite_strategy() {
    echo "Test 3: Overwrite Conflict Strategy"
    echo "------------------------------------"
    
    # Run migration with overwrite strategy
    if "$MIGRATE_SCRIPT" "$TEST_DIR" --all --yes --conflict-strategy overwrite; then
        echo "✓ Migration with overwrite strategy completed"
    else
        echo "✗ Migration failed"
        return 1
    fi
    
    # Verify skill WAS overwritten
    if grep -q "# Modified" "$HOME/.config/opencode/skills/test-skill-1/SKILL.md"; then
        echo "✓ Existing skill was overwritten"
    else
        echo "✗ Existing skill was not overwritten"
        return 1
    fi
    
    echo ""
}

# Test 4: Backup conflict strategy
test_backup_strategy() {
    echo "Test 4: Backup Conflict Strategy"
    echo "---------------------------------"
    
    # Run migration with backup strategy
    if "$MIGRATE_SCRIPT" "$TEST_DIR" --all --yes --conflict-strategy backup; then
        echo "✓ Migration with backup strategy completed"
    else
        echo "✗ Migration failed"
        return 1
    fi
    
    # Verify backup was created
    if ls "$HOME/.config/opencode/skills/test-skill-1.backup."* 1> /dev/null 2>&1; then
        echo "✓ Backup was created"
    else
        echo "✗ Backup not found"
        return 1
    fi
    
    echo ""
}

# Test 5: Dry run
test_dry_run() {
    echo "Test 5: Dry Run Mode"
    echo "---------------------"
    
    # Create a new test skill that doesn't exist yet
    mkdir -p "$TEST_DIR/test-skill-3"
    cat > "$TEST_DIR/test-skill-3/SKILL.md" << 'EOF'
---
name: test-skill-3
description: Test skill 3 for dry run testing
---

# Test Skill 3

This skill should not be migrated in dry run.
EOF
    
    # Run migration with dry-run
    if "$MIGRATE_SCRIPT" "$TEST_DIR" --all --dry-run; then
        echo "✓ Dry run completed"
    else
        echo "✗ Dry run failed"
        return 1
    fi
    
    # Verify skill was NOT actually migrated
    if [[ ! -d "$HOME/.config/opencode/skills/test-skill-3" ]]; then
        echo "✓ Dry run correctly made no changes"
    else
        echo "✗ Skill was migrated (should not happen in dry run)"
        return 1
    fi
    
    echo ""
}

# Cleanup
cleanup() {
    echo "Cleaning up..."
    rm -rf "$TEST_DIR"
    rm -rf "$HOME/.config/opencode/skills/test-skill-1"
    rm -rf "$HOME/.config/opencode/skills/test-skill-2"
    rm -rf "$HOME/.config/opencode/skills/test-skill-3"
    rm -f "$HOME/.config/opencode/skills/test-skill-1.backup."*
    echo "✓ Cleanup complete"
    echo ""
}

# Run all tests
main() {
    setup_test_env
    
    local failed=0
    
    test_basic_migration || ((failed++))
    test_skip_strategy || ((failed++))
    test_overwrite_strategy || ((failed++))
    test_backup_strategy || ((failed++))
    test_dry_run || ((failed++))
    
    cleanup
    
    echo "========================================"
    echo "   TEST RESULTS"
    echo "========================================"
    if [[ $failed -eq 0 ]]; then
        echo "✓ All tests passed!"
        exit 0
    else
        echo "✗ $failed test(s) failed"
        exit 1
    fi
}

main "$@"