#!/bin/bash

# Integration tests for run_himalaya.sh

# Source test utilities
source "$(dirname "$0")/test_utils.sh"

# Make sure we can find the mock himalaya command
export PATH="$(dirname "$0"):$PATH"

# Common test data in real himalaya format
NORMAL_ENVELOPE_LIST="| ID   | FLAGS | SUBJECT                                                                                           | FROM                         | DATE                   |
|------|-------|---------------------------------------------------------------------------------------------------|------------------------------|------------------------|
| 1    |       | Important Meeting                                                                                 | john@example.com             | 2024-01-15 10:00+00:00|
| 5    |  *    | Project Update                                                                                    | sarah@company.com            | 2024-01-14 15:30+00:00|"

EXTENDED_ENVELOPE_LIST="| ID   | FLAGS | SUBJECT                                                                                           | FROM                         | DATE                   |
|------|-------|---------------------------------------------------------------------------------------------------|------------------------------|------------------------|
| 1    |       | Important Meeting                                                                                 | john@example.com             | 2024-01-15 10:00+00:00|
| 5    |  *    | Project Update                                                                                    | sarah@company.com            | 2024-01-14 15:30+00:00|
| 7    |       | Weekly Standup                                                                                    | team@startup.com             | 2024-01-13 09:00+00:00|"

# Test: Script with no arguments should auto-discover latest message
test_script_auto_discover() {
    export MOCK_ENVELOPE_LIST="$NORMAL_ENVELOPE_LIST"
    
    # Simulate user input: quit immediately
    local output=$(echo "q" | timeout 10 ./run_himalaya.sh 2>/dev/null)
    local exit_code=$?
    
    # Check that it found the latest message (5) and attempted to read it
    if echo "$output" | grep -q "Latest message ID: 5" && echo "$output" | grep -q "Reading message 5"; then
        return 0
    else
        echo "Expected auto-discovery of message 5, got: $output"
        return 1
    fi
}

# Test: Script with valid message ID
test_script_valid_id() {
    export MOCK_ENVELOPE_LIST="$NORMAL_ENVELOPE_LIST"
    
    # Simulate user input: quit immediately
    local output=$(echo "q" | timeout 10 ./run_himalaya.sh 1 2>/dev/null)
    
    # Check that it read the specified message
    if echo "$output" | grep -q "Reading message 1"; then
        return 0
    else
        echo "Expected reading of message 1, got: $output"
        return 1
    fi
}

# Test: Script with invalid message ID should fallback to latest
test_script_invalid_id_fallback() {
    export MOCK_ENVELOPE_LIST="$NORMAL_ENVELOPE_LIST"
    export MOCK_INVALID_MESSAGE_ID="99"
    
    # Simulate user input: quit immediately
    local output=$(echo "q" | timeout 10 ./run_himalaya.sh 99 2>/dev/null)
    
    # Check that it fell back to latest message
    if echo "$output" | grep -q "Opening latest message: 5"; then
        return 0
    else
        echo "Expected fallback to latest message, got: $output"
        return 1
    fi
}

# Test: Empty inbox handling
test_script_empty_inbox() {
    export MOCK_EMPTY_INBOX="true"
    
    # Don't use timeout as it may interfere with exit codes
    # Use bash -c to avoid subshell exit code issues
    bash -c './run_himalaya.sh' > "$TEST_TEMP_DIR/output.txt" 2>&1
    local exit_code=$?
    local output=$(cat "$TEST_TEMP_DIR/output.txt")
    
    # Should exit with error message about no messages and exit code 1
    if echo "$output" | grep -q "No messages found in inbox" && [ $exit_code -eq 1 ]; then
        return 0
    else
        echo "Expected 'No messages found' error with exit code 1, got: $output (exit code: $exit_code)"
        return 1
    fi
}

# Test: Navigation to next message
test_navigation_next() {
    export MOCK_ENVELOPE_LIST="$EXTENDED_ENVELOPE_LIST"
    
    # Simulate user input: next message, then quit
    local output=$(printf "n\nq\n" | timeout 10 ./run_himalaya.sh 1 2>/dev/null)
    
    # Check that it moved to next message (5)
    if echo "$output" | grep -q "Opening next message: 5" && echo "$output" | grep -q "Reading message 5"; then
        return 0
    else
        echo "Expected navigation to next message 5, got: $output"
        return 1
    fi
}

# Test: Navigation to previous message
test_navigation_previous() {
    export MOCK_ENVELOPE_LIST="$EXTENDED_ENVELOPE_LIST"
    
    # Simulate user input: previous message, then quit
    local output=$(printf "p\nq\n" | timeout 10 ./run_himalaya.sh 7 2>/dev/null)
    
    # Check that it moved to previous message (5)
    if echo "$output" | grep -q "Opening previous message: 5" && echo "$output" | grep -q "Reading message 5"; then
        return 0
    else
        echo "Expected navigation to previous message 5, got: $output"
        return 1
    fi
}

# Test: No next message available
test_navigation_no_next() {
    export MOCK_ENVELOPE_LIST="$NORMAL_ENVELOPE_LIST"
    
    # Simulate user input: next message (should fail), then quit
    local output=$(printf "n\nq\n" | timeout 10 ./run_himalaya.sh 5 2>/dev/null)
    
    # Check that it shows "No next message available"
    if echo "$output" | grep -q "No next message available"; then
        return 0
    else
        echo "Expected 'No next message available', got: $output"
        return 1
    fi
}

# Run all tests
echo "Running integration tests for run_himalaya.sh..."
echo

run_test "Script auto-discovers latest message when no args" test_script_auto_discover
run_test "Script reads specified valid message ID" test_script_valid_id
run_test "Script falls back to latest when invalid ID provided" test_script_invalid_id_fallback
run_test "Script handles empty inbox gracefully" test_script_empty_inbox
run_test "Navigation to next message works" test_navigation_next
run_test "Navigation to previous message works" test_navigation_previous
run_test "No next message available handled gracefully" test_navigation_no_next

print_test_summary