#!/bin/bash

# Mock himalaya command for testing
# Controlled by environment variables for different test scenarios

# Mock less command that doesn't wait for input in tests
if [ -z "$MOCK_LESS_INTERACTIVE" ]; then
    # In test mode, just output directly without paging
    alias less='cat'
fi

# Default test data - matches real himalaya output format
DEFAULT_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|
| 10   |       | Contract Review                                                                                   | client@business.com          | 2024-01-12 14:00+00:00|"

DEFAULT_MESSAGE_CONTENT="From: test@example.com
To: user@example.com
Subject: Test Message
Date: 2024-01-15

This is a test message content for testing purposes."

# Handle different commands
case "$1" in
    "envelope")
        case "$2" in
            "list")
                if [ -n "$MOCK_ENVELOPE_LIST" ]; then
                    echo "$MOCK_ENVELOPE_LIST"
                elif [ "$MOCK_EMPTY_INBOX" = "true" ]; then
                    echo ""
                elif [ "$MOCK_HIMALAYA_FAIL" = "true" ]; then
                    echo "Error: Unable to connect to server" >&2
                    exit 1
                else
                    echo "$DEFAULT_ENVELOPE_LIST"
                fi
                ;;
        esac
        ;;
    "message")
        case "$2" in
            "read")
                message_id="$3"
                if [ "$MOCK_HIMALAYA_FAIL" = "true" ]; then
                    echo "Error: Unable to read message $message_id" >&2
                    exit 1
                elif [ -n "$MOCK_INVALID_MESSAGE_ID" ] && [ "$message_id" = "$MOCK_INVALID_MESSAGE_ID" ]; then
                    echo "Error: Message $message_id not found" >&2
                    exit 1
                elif [ -n "$MOCK_ENVELOPE_LIST" ]; then
                    # Check if the message ID exists in our envelope list
                    # Handle both old tab-separated format and new table format
                    if echo "$MOCK_ENVELOPE_LIST" | grep -q "^$message_id	" || echo "$MOCK_ENVELOPE_LIST" | grep -q "^| $message_id "; then
                        if [ -n "$MOCK_MESSAGE_CONTENT" ]; then
                            echo "$MOCK_MESSAGE_CONTENT"
                        else
                            echo "$DEFAULT_MESSAGE_CONTENT"
                        fi
                    else
                        echo "Error: Message $message_id not found" >&2
                        exit 1
                    fi
                else
                    if [ -n "$MOCK_MESSAGE_CONTENT" ]; then
                        echo "$MOCK_MESSAGE_CONTENT"
                    else
                        echo "$DEFAULT_MESSAGE_CONTENT"
                    fi
                fi
                ;;
            "delete")
                message_id="$3"
                if [ "$MOCK_HIMALAYA_FAIL" = "true" ]; then
                    echo "Error: Unable to delete message $message_id" >&2
                    exit 1
                else
                    echo "Message $message_id deleted successfully"
                fi
                ;;
            "move")
                folder="$3"
                message_id="$4"
                if [ "$MOCK_HIMALAYA_FAIL" = "true" ]; then
                    echo "Error: Unable to move message $message_id to $folder" >&2
                    exit 1
                else
                    echo "Message $message_id moved to $folder successfully"
                fi
                ;;
        esac
        ;;
    *)
        echo "Mock himalaya: Unknown command $1" >&2
        exit 1
        ;;
esac