"""
Import ALL historical complaints from all Excel files (2022-2025).

Usage:
    python manage.py import_all_complaints
    python manage.py import_all_complaints --hospital-code=HH-N
    python manage.py import_all_complaints --dry-run
"""

import os

from django.core.management.base import BaseCommand, CommandError
from django.core.management import call_command


COMPLAINT_FILES = [
    {
        "year": 2022,
        "path": "data/Complaints Report - 2022.xlsx",
        "sheets": ["AUG 2022 ", "SEP 2022 ", "OCT 2022", "NOV 2022", "DEC 2022"],
        "importer": "import_historical_complaints",
    },
    {
        "year": 2023,
        "path": "data/Complaints Report - 2023.xlsx",
        "sheets": [
            "January 2023 ", "February 2023", "March 2023", "April 2023 ",
            "May 2023", "June 2023", "July 2023", "August 2023",
            "September 2023", "October 2023", "November 2023", "December 2023",
        ],
        "importer": "import_historical_complaints",
    },
    {
        "year": 2024,
        "path": "data/Complaints Report - 2024.xlsx",
        "sheets": [
            "January 2024", "February 2024", "March 2024 ", "April 2024",
            "May 2024", "June 2024", "July 2024", "August 2024",
            "September 2024", "October 2024", "November 2024", "December 2024",
        ],
        "importer": "import_historical_complaints",
    },
    {
        "year": 2025,
        "path": "data/Complaints Report - 2025.xlsx",
        "sheets": ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"],
        "importer": "import_2025_complaints_basic",
    },
]


class Command(BaseCommand):
    help = "Import all historical complaints from 2022-2025 Excel files"

    def add_arguments(self, parser):
        parser.add_argument("--hospital-code", type=str, default="HH-N")
        parser.add_argument("--dry-run", action="store_true")
        parser.add_argument("--year", type=int, help="Import only this year")

    def handle(self, *args, **options):
        hospital_code = options["hospital_code"]
        dry_run = options["dry_run"]
        year_filter = options.get("year")

        total_success = 0
        total_failed = 0

        for file_info in COMPLAINT_FILES:
            if year_filter and file_info["year"] != year_filter:
                continue

            path = file_info["path"]
            if not os.path.exists(path):
                self.stderr.write(self.style.ERROR(f"File not found: {path}"))
                continue

            self.stdout.write(self.style.SUCCESS(f"\n{'='*60}"))
            self.stdout.write(self.style.SUCCESS(f"YEAR {file_info['year']}: {path}"))
            self.stdout.write(self.style.SUCCESS(f"{'='*60}"))

            for sheet in file_info["sheets"]:
                self.stdout.write(f"\n  Sheet: {sheet}")
                try:
                    call_command(
                        file_info["importer"],
                        path,
                        sheet=sheet,
                        hospital_code=hospital_code,
                        dry_run=dry_run,
                        stdout=self.stdout,
                        stderr=self.stderr,
                    )
                except Exception as e:
                    self.stderr.write(self.style.ERROR(f"  FAILED: {e}"))
                    total_failed += 1

        self.stdout.write(self.style.SUCCESS(f"\n\n{'='*60}"))
        self.stdout.write(self.style.SUCCESS("ALL IMPORTS COMPLETE"))
        self.stdout.write(self.style.SUCCESS(f"{'='*60}"))