# Aufgabe 1

fp = open("../uebungen/employee_skills.txt", encoding="utf-8")
contents = fp.read()
fp.close()

print("Länge:", len(contents))

print("-" * 50)

# Alternativ:

with open("../uebungen/employee_skills.txt") as fp:
    contents = fp.read()

print(contents)

print("-" * 50)


# Aufgabe 2

with open("../uebungen/employee_skills.txt") as fp:
    i = 0
    for line in fp:
        line = line.strip()

        if not line:
            continue

        i += 1

print("Nicht leere Zeilen:", i)

print("-" * 50)


# Aufgabe 3

employees = []
with open("../uebungen/employee_skills.txt") as fp:
    for line in fp:
        if not line.strip():
            continue

        name = line.split(":")[0].strip()
        employees.append(name)

employees.sort()

for name in employees:
    print(name)

print("-" * 50)


# Aufgabe 4

employee_salaries = {}
with open("../uebungen/salaries.txt") as fp:
    for line in fp:
        if not line.strip():
            continue

        name, salary = line.strip().split(":", 1)
        name = name.strip()
        salary = int(salary.strip())
        employee_salaries[name] = salary

print("Min. Gehalt:", min(employee_salaries.values()))
print("Max. Gehalt:", max(employee_salaries.values()))

print("-" * 50)


# Aufgabe 5

employee_skills = {}
with open("../uebungen/employee_skills.txt") as fp:
    for line in fp:
        if not line.strip():
            continue

        name, skills = line.strip().split(":", 1)
        name = name.strip()
        skills = [item.strip() for item in skills.split(",")]
        employee_skills[name] = skills


# Aufgabe 6

employees = {}

for key in employee_salaries:
    salary = employee_salaries.get(key, 0)
    skills = employee_skills.get(key)
    employees[key] = {"skills": skills, "salary": salary}

print("-" * 50)


# Aufgabe 6

employee_salaries = {}
try:
    with open("../uebungen/salaries-errors.txt") as fp:
        for i, line in enumerate(fp):
            # remove whitspace at satrt / end of line
            line = line.strip()

            # ignore empty / whitespace-only lines
            # and comment lines
            if not line or line.startswith("#"):
                continue

            try:
                name, salary = line.strip().split(":", 1)
            except ValueError as exc:
                print(f"Warning: could not parse line {i+1}: {exc}")
            else:
                name = name.strip()
                try:
                    salary = salary.strip()
                    salary = salary.strip("$€")
                    salary = int(salary)
                except (ValueError, TypeError) as exc:
                    print(f"Warning: could not parse data on line {i+1}: {exc}")
                else:
                    employee_salaries[name] = salary
except FileNotFoundError as exc:
    print(f"Could not open file: {exc}")


print("Min. Gehalt:", min(employee_salaries.values()))
print("Max. Gehalt:", max(employee_salaries.values()))

print("-" * 50)