#!/bin/bash
# Integration tests for git perf config command

export TEST_TRACE=0

# Source common test utilities
script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=test/common.sh
source "$script_dir/common.sh"

test_section "Config command tests - no config"
cd_temp_repo
# Should work even without config
assert_success git perf config --list

test_section "Config command tests - basic list"
cd_temp_repo
# Create a basic config
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
unit = "ms"

[measurement.test_time]
epoch = "87654321"
unit = "s"
EOF
# List config
assert_success_with_output output git perf config --list
# Should show both measurements
assert_contains "$output" "build_time"
assert_contains "$output" "test_time"
assert_contains "$output" "12345678"
assert_contains "$output" "87654321"

test_section "Config command tests - detailed list"
cd_temp_repo
# Create a config with various settings
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
min_relative_deviation = 5.0
dispersion_method = "mad"
min_measurements = 10
aggregate_by = "median"
sigma = 2.0
unit = "ms"
EOF
# List with detailed flag
assert_success_with_output output git perf config --list --detailed
# Should show all settings
assert_matches "$output" "epoch.*12345678"
assert_matches "$output" "min_relative_deviation.*5"
assert_contains "$output" "dispersion_method"
assert_matches "$output" "min_measurements.*10"
assert_matches "$output" "aggregate_by.*median"
assert_matches "$output" "sigma.*2"
assert_matches "$output" "unit.*ms"

test_section "Config command tests - JSON output"
cd_temp_repo
# Create a basic config
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
unit = "ms"
EOF
# List as JSON
assert_success_with_output output git perf config --list --format json
# Should be valid JSON (test by piping through jq)
echo "$output" | jq . > /dev/null
# Should contain expected fields
echo "$output" | jq -e '.git_context' > /dev/null
echo "$output" | jq -e '.config_sources' > /dev/null
echo "$output" | jq -e '.global_settings' > /dev/null
echo "$output" | jq -e '.measurements' > /dev/null
echo "$output" | jq -e '.measurements.build_time' > /dev/null

test_section "Config command tests - measurement filter"
cd_temp_repo
# Create config with multiple measurements
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"

[measurement.test_time]
epoch = "87654321"
EOF
# Filter for specific measurement
assert_success_with_output output git perf config --list --measurement build_time
# Should show build_time
assert_contains "$output" "build_time"
# Should NOT show test_time
assert_not_contains "$output" "test_time"

test_section "Config command tests - validate valid config"
cd_temp_repo
# Create valid config
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
min_relative_deviation = 5.0
min_measurements = 10
sigma = 3.0
unit = "ms"
EOF
# Validate should pass (exit 0)
assert_success git perf config --list --validate

test_section "Config command tests - validate missing epoch"
cd_temp_repo
# Create config without epoch
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
unit = "ms"
EOF
# Validate should fail (exit non-zero)
assert_failure_with_output output git perf config --list --validate
# Should show validation error
assert_contains "$output" "No epoch configured"

test_section "Config command tests - validate invalid sigma"
cd_temp_repo
# Create config with invalid sigma
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
sigma = -1.0
EOF
# Validate should fail
assert_failure_with_output output git perf config --list --validate
# Should show validation error
assert_contains "$output" "Invalid sigma value"

test_section "Config command tests - validate invalid min_measurements"
cd_temp_repo
# Create config with invalid min_measurements
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
min_measurements = 1
EOF
# Validate should fail
assert_failure_with_output output git perf config --list --validate
# Should show validation error
assert_contains "$output" "Invalid min_measurements"

test_section "Config command tests - validate multiple issues"
cd_temp_repo
# Create config with multiple issues
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
sigma = -1.0
min_relative_deviation = -5.0
min_measurements = 1
EOF
# Validate should fail
assert_failure_with_output output git perf config --list --validate
# Should show multiple validation errors
assert_contains "$output" "Invalid sigma value"
assert_contains "$output" "Invalid min_relative_deviation"
assert_contains "$output" "Invalid min_measurements"

test_section "Config command tests - git context"
cd_temp_repo
# Create a config
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
EOF
# Output should show git context
assert_success_with_output output git perf config --list
assert_contains "$output" "Git Context:"
assert_contains "$output" "Branch:"
assert_contains "$output" "Repository:"

test_section "Config command tests - summary hint"
cd_temp_repo
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"
EOF
# Summary mode should show the --detailed hint
assert_success_with_output output git perf config --list
assert_contains "$output" "use --detailed"
# Detailed mode should NOT show the --detailed hint
assert_success_with_output output git perf config --list --detailed
assert_not_contains "$output" "use --detailed"

test_section "Config command tests - change_point in detailed output"
cd_temp_repo
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"

[change_point]
enabled = false
min_data_points = 20
min_magnitude_pct = 10.0
confidence_threshold = 0.8
penalty = 1.5
EOF
assert_success_with_output output git perf config --list --detailed
assert_contains "$output" "change_point.enabled"
assert_contains "$output" "change_point.min_data_points"
assert_contains "$output" "change_point.min_magnitude_pct"
assert_contains "$output" "change_point.confidence_threshold"
assert_contains "$output" "change_point.penalty"
assert_contains "$output" "false"
assert_matches "$output" "min_data_points.*20"
assert_matches "$output" "confidence_threshold.*0.8"
assert_matches "$output" "penalty.*1.5"

test_section "Config command tests - change_point in JSON output"
cd_temp_repo
cat > .gitperfconfig << 'EOF'
[measurement.build_time]
epoch = "12345678"

[change_point]
penalty = 2.0
EOF
assert_success_with_output output git perf config --list --format json
echo "$output" | jq -e '.measurements.build_time.change_point' > /dev/null
echo "$output" | jq -e '.measurements.build_time.change_point.penalty == 2.0' > /dev/null

test_stats
exit 0