using Indotalent.ConfigBackEnd.Extensions;
using Indotalent.Data.Entities;
using Indotalent.Data.Enums;
using Microsoft.EntityFrameworkCore;

namespace Indotalent.Infrastructure.Database.Demo;

public static class MedicalRecordSeeder
{
    public static async Task GenerateDataAsync(AppDbContext context)
    {
        if (await context.MedicalRecord.AnyAsync()) return;

        var random = new Random();
        var entityName = nameof(MedicalRecord);

        var patients = await context.Patient.ToListAsync();

        var doctors = await context.Employee
            .Where(x => x.Name!.StartsWith("Dr.") || x.JobTitle!.Contains("Practitioner") || x.JobTitle!.Contains("Surgeon"))
            .ToListAsync();

        var groups = await context.MedicalRecordGroup.ToListAsync();
        var categories = await context.MedicalRecordCategory.ToListAsync();

        if (!patients.Any() || !doctors.Any() || !groups.Any() || !categories.Any()) return;

        var soapSamples = new List<(string S, string O, string A, string P)>
        {
            (
                "Patient reports persistent lower back pain for 2 weeks, exacerbated by morning activity.",
                "Tenderness noted in the lumbar spine region, decreased range of motion during trunk flexion.",
                "Lumbago with sciatica (ICD-10 M54.5).",
                "Start NSAID regimen, referral to Physical Therapy twice weekly, and activity modification."
            ),
            (
                "Dry cough and low-grade fever for 72 hours. Patient denies dyspnea or chest pain.",
                "Lungs clear to auscultation bilaterally. Pharynx mildly erythematous. Temp 100.8 F.",
                "Acute Upper Respiratory Infection (ICD-10 J06.9).",
                "Rest, increased fluid intake, and over-the-counter antipyretics as needed."
            ),
            (
                "Routine dental evaluation. Patient reports sensitivity to cold stimuli on lower left quadrant.",
                "Localized enamel wear on tooth #19. Gingival tissue appears within normal limits.",
                "Dentin hypersensitivity (ICD-10 K03.8).",
                "Applied fluoride varnish. Recommended use of potassium nitrate toothpaste."
            ),
            (
                "Follow-up for essential hypertension. Patient reports compliance with medication, no headaches.",
                "S1, S2 audible, regular rate and rhythm. No peripheral edema noted.",
                "Essential Hypertension (ICD-10 I10).",
                "Continue current antihypertensive therapy. Reinforce DASH diet and low sodium intake."
            ),
            (
                "Urgent care visit: inverted right ankle while running this morning.",
                "Edema and ecchymosis over the lateral malleolus. Guarded weight-bearing due to pain.",
                "Ankle sprain, grade 1 (ICD-10 S93.4).",
                "Follow RICE protocol (Rest, Ice, Compression, Elevation). Applied ACE bandage."
            )
        };

        var dateFinish = DateTime.Now;
        var dateStart = dateFinish.AddMonths(-12);

        foreach (var patient in patients)
        {
            int recordsPerPatient = random.Next(1, 4);

            for (int i = 0; i < recordsPerPatient; i++)
            {
                var randomDays = random.Next(0, (dateFinish - dateStart).Days);
                var recordDate = dateStart.AddDays(randomDays);
                var doctor = doctors[random.Next(doctors.Count)];
                var soap = soapSamples[random.Next(soapSamples.Count)];

                var autoNo = await context.GenerateAutoNumberAsync(
                    entityName: entityName,
                    prefixTemplate: $"MR/{{Year}}/{{Month}}/"
                );

                var tempF = Math.Round(97.0 + (random.NextDouble() * 3.5), 1);
                var heightInches = random.Next(60, 76);
                var feet = heightInches / 12;
                var inches = heightInches % 12;

                var medicalRecord = new MedicalRecord
                {
                    AutoNumber = autoNo,
                    RecordDate = recordDate,
                    PatientId = patient.Id,
                    EmployeeId = doctor.Id,
                    MedicalRecordGroupId = groups[random.Next(groups.Count)].Id,
                    MedicalRecordCategoryId = categories[random.Next(categories.Count)].Id,

                    Subjective = soap.S,
                    Objective = soap.O,
                    Assessment = soap.A,
                    Planning = soap.P,

                    BloodPressure = $"{random.Next(110, 135)}/{random.Next(70, 88)} mmHg",
                    Temperature = $"{tempF} F",
                    HeartRate = $"{random.Next(60, 100)} bpm",
                    Weight = $"{random.Next(120, 230)} lbs",
                    Height = $"{feet}'{inches}\"",

                    Description = $"Clinical encounter documentation for {patient.Name}",
                    Status = random.Next(1, 10) > 2 ? MedicalRecordStatus.Completed : MedicalRecordStatus.Examining
                };

                await context.MedicalRecord.AddAsync(medicalRecord);
            }
        }

        await context.SaveChangesAsync();
    }
}