// Messages UI snapshot tests

mod helpers;

use helpers::test_data::{TestChatBuilder, TestMessageBuilder, create_test_chat};
use helpers::app_builder::TestAppBuilder;
use helpers::snapshot_utils::{render_to_buffer, buffer_to_string};
use insta::assert_snapshot;

#[test]
fn snapshot_empty_chat() {
    let chat = create_test_chat("Mom", 123);

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("empty_chat", output);
}

#[test]
fn snapshot_single_incoming_message() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Hello there!", 1)
        .sender("Mom")
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("single_incoming_message", output);
}

#[test]
fn snapshot_single_outgoing_message() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Hi mom!", 1)
        .outgoing()
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("single_outgoing_message", output);
}

#[test]
fn snapshot_date_separator_old_date() {
    let chat = create_test_chat("Mom", 123);
    // Use a fixed old date (20 Dec 2021) - will show as date separator
    let message = TestMessageBuilder::new("Message from the past", 1)
        .date(1640000000) // 20 Dec 2021
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("date_separator_old_date", output);
}

// NOTE: Tests for "Сегодня" and "Вчера" date separators are skipped
// because they depend on current date and cannot be stable snapshots.
// The date formatting logic is tested manually and through the old_date test above.

#[test]
fn snapshot_sender_grouping() {
    let chat = create_test_chat("Group Chat", 123);
    let msg1 = TestMessageBuilder::new("First message", 1)
        .sender("Alice")
        .build();
    let msg2 = TestMessageBuilder::new("Second message", 2)
        .sender("Alice")
        .build();
    let msg3 = TestMessageBuilder::new("Third message", 3)
        .sender("Bob")
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_messages(123, vec![msg1, msg2, msg3])
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("sender_grouping", output);
}

#[test]
fn snapshot_outgoing_sent() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Just sent", 1)
        .outgoing()
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("outgoing_sent", output);
}

#[test]
fn snapshot_outgoing_read() {
    let chat = TestChatBuilder::new("Mom", 123)
        .last_message("Read message")
        .build();

    // Message with id < last_read_outbox_message_id means it's been read
    let message = TestMessageBuilder::new("Read message", 1)
        .outgoing()
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    // Set last_read_outbox to simulate message being read
    if let Some(chat) = app.chats.iter_mut().find(|c| c.id == 123) {
        chat.last_read_outbox_message_id = 2;
    }

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("outgoing_read", output);
}

#[test]
fn snapshot_edited_message() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Edited text", 1)
        .edited()
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("edited_message", output);
}

#[test]
fn snapshot_long_message_wrap() {
    let chat = create_test_chat("Mom", 123);
    let long_text = "This is a very long message that should wrap across multiple lines when rendered in the terminal UI. Let's make it even longer to ensure we test the wrapping behavior properly.";
    let message = TestMessageBuilder::new(long_text, 1)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("long_message_wrap", output);
}

#[test]
fn snapshot_markdown_bold_italic_code() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("**bold** *italic* `code`", 1)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("markdown_bold_italic_code", output);
}

#[test]
fn snapshot_markdown_link_mention() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Check [this](https://example.com) and @username", 1)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("markdown_link_mention", output);
}

#[test]
fn snapshot_markdown_spoiler() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Spoiler: ||hidden text||", 1)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("markdown_spoiler", output);
}

#[test]
fn snapshot_media_placeholder() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("[Фото]", 1)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("media_placeholder", output);
}

#[test]
fn snapshot_reply_message() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("This is a reply", 2)
        .reply_to(1, "Mom", "Original message text")
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("reply_message", output);
}

#[test]
fn snapshot_forwarded_message() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Forwarded content", 1)
        .forwarded_from("Alice")
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("forwarded_message", output);
}

#[test]
fn snapshot_single_reaction() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Great!", 1)
        .reaction("👍", 1, true)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("single_reaction", output);
}

#[test]
fn snapshot_multiple_reactions() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Popular message", 1)
        .reaction("👍", 5, true)
        .reaction("👎", 3, false)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("multiple_reactions", output);
}

#[test]
fn snapshot_selected_message() {
    let chat = create_test_chat("Mom", 123);
    let message = TestMessageBuilder::new("Selected message", 1)
        .build();

    let mut app = TestAppBuilder::new()
        .with_chat(chat)
        .with_message(123, message)
        .selected_chat(123)
        .selecting_message(1)
        .build();

    let buffer = render_to_buffer(80, 24, |f| {
        tele_tui::ui::messages::render(f, f.area(), &app);
    });

    let output = buffer_to_string(&buffer);
    assert_snapshot!("selected_message", output);
}