from datetime import datetime
from fastapi import FastAPI
from fastapi.exceptions import HTTPException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from model import Log, SessionLocal, Script, Settings
from run_scripts import run_scripts, update_requirements, update_environment
import uvicorn

app = FastAPI()

# Update cors
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


# Define Pydantic models
class ScriptBase(BaseModel):
    name: str
    script_content: str


class ScriptCreate(ScriptBase):
    pass


class ScriptUpdate(ScriptBase):
    enabled: bool


class ScriptResponse(ScriptBase):
    id: int
    created_at: datetime
    enabled: bool

    model_config = {"from_attributes": True}


class ScriptLogCreate(BaseModel):
    message: str
    error_code: int
    error_message: str


@app.get("/")
def hello():
    return {"message": "Welcome to the Project Monitor API"}


# Define Pydantic models for Settings
class SettingsBase(BaseModel):
    requirements: str
    environment: str
    user: str


class SettingsUpdate(SettingsBase):
    pass


class SettingsResponse(SettingsBase):
    id: int

    model_config = {"from_attributes": True}


# Settings API Endpoints
@app.get("/settings", response_model=list[SettingsResponse])
def read_settings():
    db = SessionLocal()
    settings = db.query(Settings).all()
    db.close()
    return settings


@app.post("/settings", response_model=SettingsResponse)
def create_setting(settings: SettingsBase):
    db = SessionLocal()
    new_setting = Settings(**settings.model_dump())
    db.add(new_setting)
    db.commit()
    db.refresh(new_setting)
    db.close()

    return new_setting


@app.get("/settings/{settings_id}", response_model=SettingsResponse)
def read_setting(settings_id: int):
    db = SessionLocal()
    setting = db.query(Settings).filter(Settings.id == settings_id).first()
    db.close()
    if not setting:
        raise HTTPException(status_code=404, detail="Setting not found")
    return setting


@app.put("/settings/{settings_id}", response_model=SettingsResponse)
def update_setting(settings_id: int, settings: SettingsUpdate):
    db = SessionLocal()
    existing_setting = db.query(Settings).filter(Settings.id == settings_id).first()
    if not existing_setting:
        raise HTTPException(status_code=404, detail="Setting not found")

    if existing_setting.requirements != settings.requirements:
        existing_setting.requirements = settings.requirements
        update_requirements(settings)

    if existing_setting.environment != settings.environment:
        existing_setting.environment = settings.environment
        update_environment(settings)

    db.commit()
    db.refresh(existing_setting)
    db.close()

    return existing_setting


@app.get("/script", response_model=list[ScriptResponse])
def read_scripts():
    db = SessionLocal()
    scripts = db.query(Script).all()
    db.close()
    return scripts


@app.post("/script", response_model=ScriptResponse)
def create_script(script: ScriptCreate):
    db = SessionLocal()
    new_script = Script(name=script.name, script_content=script.script_content)
    db.add(new_script)
    db.commit()
    db.refresh(new_script)
    db.close()
    return new_script


@app.get("/script/{script_id}", response_model=ScriptResponse)
def read_script(script_id: int):
    db = SessionLocal()
    script = db.query(Script).filter(Script.id == script_id).first()
    db.close()
    if not script:
        raise HTTPException(status_code=404, detail="Script not found")
    return script


@app.delete("/script/{script_id}")
def delete_script(script_id: int):
    db = SessionLocal()
    script = db.query(Script).filter(Script.id == script_id).first()
    if not script:
        raise HTTPException(status_code=404, detail="Script not found")
    db.delete(script)
    logs = db.query(Log).filter(Log.script_id == script_id).all()
    for log in logs:
        db.delete(log)

    db.commit()
    db.close()
    return {"message": "Script deleted"}


@app.put("/script/{script_id}", response_model=ScriptResponse)
def update_script(script_id: int, script: ScriptUpdate):
    db = SessionLocal()
    existing_script = db.query(Script).filter(Script.id == script_id).first()
    if not existing_script:
        raise HTTPException(status_code=404, detail="Script not found")
    existing_script.name = script.name
    existing_script.script_content = script.script_content
    existing_script.enabled = script.enabled

    db.commit()
    db.refresh(existing_script)
    db.close()
    return existing_script


@app.get("/script/{script_id}/log")
def get_script_logs(script_id: int):
    db = SessionLocal()
    logs = db.query(Log).filter(Log.script_id == script_id).all()
    db.close()
    return logs


@app.post("/script/{script_id}/log")
def create_script_log(script_id: int, log: ScriptLogCreate):
    db = SessionLocal()
    new_log = Log(
        script_id=script_id,
        message=log.message,
        error_code=log.error_code,
        error_message=log.error_message,
    )
    db.add(new_log)
    db.commit()
    db.refresh(new_log)
    db.close()
    return new_log


@app.delete("/script/{script_id}/log/{log_id}")
def delete_script_log(script_id: int, log_id: int):
    db = SessionLocal()
    log = db.query(Log).filter(Log.id == log_id and Log.script_id == script_id).first()
    if not log:
        raise HTTPException(status_code=404, detail="Log not found")
    db.delete(log)
    db.commit()
    db.close()
    return {"message": "Log deleted"}


@app.post("/script/{script_id}/execute")
def execute_script(script_id: int):
    run_scripts([script_id])
    return {"run_script": True}


@app.get("/health")
def health_check():
    return {"status": "healthy"}


if __name__ == "__main__":
    uvicorn.run(app, host="0.0.0.0", port=8000)