"""
tasks.py — 5 task definitions for SWEbench-IN.

Each task defines a broken Linux application state, associated test code,
communication messages (Slack/email/HR), and curriculum metadata.
"""

from dataclasses import dataclass
from typing import Optional


@dataclass
class Task:
    task_id: int
    name: str
    description: str
    broken_app_code: str         # The buggy app.py content
    broken_app_code_2: str       # Second file for Task 5 (empty for others)
    test_code: str               # The pytest test content
    slack_message: Optional[str]
    email_message: Optional[str]
    hr_message: Optional[str]
    max_actions: int
    curriculum_tier: int         # 1=easy, 2=medium, 3=hard
    verify_server: bool
    expected_test_pass_count: int


TASKS = {
    1: Task(
        task_id=1,
        name="Missing Dependency",
        description="Flask not installed. Fix: pip install flask, start server.",
        broken_app_code="""\
from flask import Flask
app = Flask(__name__)

@app.route('/')
def home():
    return 'Hello World'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)
""",
        # NOTE: flask will be uninstalled at reset, not broken in code
        broken_app_code_2="",
        test_code="""\
import requests
def test_server_responds():
    r = requests.get('http://localhost:8080')
    assert r.status_code == 200
""",
        slack_message=None,
        email_message=None,
        hr_message=None,
        max_actions=5,
        curriculum_tier=1,
        verify_server=True,
        expected_test_pass_count=1,
    ),

    2: Task(
        task_id=2,
        name="Syntax Error",
        description="Missing colon in function definition.",
        broken_app_code="""\
from flask import Flask
app = Flask(__name__)

@app.route('/')
def home() return 'Hello World'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)
""",
        broken_app_code_2="",
        test_code="""\
import subprocess, requests

def test_syntax_valid():
    result = subprocess.run(['python', '-m', 'py_compile', 'app.py'], capture_output=True)
    assert result.returncode == 0

def test_server_responds():
    r = requests.get('http://localhost:8080')
    assert r.status_code == 200
""",
        slack_message=None,
        email_message=None,
        hr_message=None,
        max_actions=7,
        curriculum_tier=1,
        verify_server=True,
        expected_test_pass_count=2,
    ),

    3: Task(
        task_id=3,
        name="Logic Bug + Manager Slack",
        description="Off-by-one in sort function. Manager wants ETA.",
        broken_app_code="""\
from flask import Flask, jsonify
app = Flask(__name__)

def sort_data(items):
    # Off-by-one: should be range(len(items)-1)
    for i in range(len(items)):
        for j in range(i+1, len(items)+1):  # BUG: +1 causes IndexError
            if items[i] > items[j]:
                items[i], items[j] = items[j], items[i]
    return items

@app.route('/sort')
def sort_endpoint():
    data = [3, 1, 4, 1, 5, 9, 2, 6]
    return jsonify(sorted_data=sort_data(data))

@app.route('/')
def home():
    return 'OK'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)
""",
        broken_app_code_2="",
        test_code="""\
from app import sort_data

def test_sort_basic():
    assert sort_data([3, 1, 2]) == [1, 2, 3]

def test_sort_empty():
    assert sort_data([]) == []

def test_sort_single():
    assert sort_data([1]) == [1]
""",
        slack_message="Tests are red, client demo in 2 hours. What's your ETA?",
        email_message=None,
        hr_message=None,
        max_actions=10,
        curriculum_tier=2,
        verify_server=True,
        expected_test_pass_count=3,
    ),

    4: Task(
        task_id=4,
        name="Service Crash + Client Email",
        description="Port 8080 blocked by zombie process.",
        broken_app_code="""\
from flask import Flask
app = Flask(__name__)

@app.route('/')
def home():
    return 'API OK'

@app.route('/health')
def health():
    return 'healthy'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)
""",
        # Zombie process injected at reset via:
        # python -c "import socket; s=socket.socket(); s.bind(('0.0.0.0', 8080)); s.listen(1); import time; time.sleep(9999)" &
        broken_app_code_2="",
        test_code="""\
import requests

def test_server_responds():
    r = requests.get('http://localhost:8080')
    assert r.status_code == 200

def test_health_check():
    r = requests.get('http://localhost:8080/health')
    assert r.status_code == 200
""",
        slack_message=None,
        email_message="The API has been down for 30 minutes. We are escalating this to your manager.",
        hr_message=None,
        max_actions=12,
        curriculum_tier=2,
        verify_server=True,
        expected_test_pass_count=2,
    ),

    5: Task(
        task_id=5,
        name="Multi-Bug Full Cascade",
        description="3 bugs, server down, 4 tests failing. CEO is asking.",
        broken_app_code="""\
from flask import Flask, jsonify
app = Flask(__name__)

# BUG 1: Wrong variable name
@app.route('/users')
def get_users():
    user_list = ['Alice', 'Bob', 'Charlie']
    return jsonify(users=usr_list)  # NameError: usr_list not defined

@app.route('/')
def home():
    return 'OK'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080)
""",
        broken_app_code_2="""\
# utils.py — BUG 2: division by zero, BUG 3: wrong return type
def calculate_average(numbers):
    return sum(numbers) / 0  # BUG 2: should be len(numbers)

def format_name(name):
    return name.upper() + 123  # BUG 3: can't concatenate str and int
""",
        test_code="""\
from app import get_users
from utils import calculate_average, format_name
import requests

def test_users_endpoint():
    r = requests.get('http://localhost:8080/users')
    assert r.status_code == 200

def test_calculate_average():
    assert calculate_average([1, 2, 3]) == 2.0

def test_format_name():
    assert format_name('alice') == 'ALICE'

def test_server_home():
    r = requests.get('http://localhost:8080')
    assert r.status_code == 200
""",
        slack_message="What's happening?? The CEO is asking me directly. Give me a status update NOW.",
        email_message="This is completely unacceptable. The system has been down for an hour. Formal complaint incoming.",
        hr_message="Hi, your leave request for Thursday has been submitted. Please confirm you still want to take it.",
        max_actions=15,
        curriculum_tier=3,
        verify_server=True,
        expected_test_pass_count=4,
    ),
}